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ruby developer
Ruby on Rails Developer (AI Focused) USA
Remotestar Cambourne, Cambridgeshire
AtRemoteStar, we're currently hiring for one of our clients based in Houston, TX. Years of experience: 3 to 5 years Location: USA About Client A fast-growing US-based SaaS company is transforming how energy firms manage operations. Their end-to-end ERP platform streamlines field data, production, finance, land, and compliance, delivering real-time insights and operational efficiency. With a strong client base and innovative tech, they're redefining digital transformation in the energy and utilities sector. You'll design and implement AI-driven functionality that improves automation and user experience. This includes leveraging LLMs, machine learning models, and modern AI tooling within a production SaaS environment. This is a hands on role for someone who can move quickly, make pragmatic decisions, and bring AI concepts into real, scalable product features. Responsibilities Design and implement AI-powered features within the platform (e.g., automation, recommendations, copilots) Integrate LLMs and/or ML models into existing services and workflows Evaluate, select, and optimize AI tools, APIs, and frameworks for production use Collaborate with Product to translate business problems into AI-driven solutions Build and maintain scalable backend services to support AI functionality Profile, test, and optimize performance of AI-integrated systems Ensure reliability, security, and cost efficiency of AI components in production Contribute to architecture decisions around AI integration and system design Partner with engineering teams to embed AI into existing applications without degrading stability Requirements 3+ years of experience as a software engineer in a SaaS or cloud-based environment Strong backend engineering experience (RoR and/or Golang preferred) Experience integrating APIs and working within distributed systems Hands on experience with AI/ML tools (e.g., OpenAI, Anthropic, Hugging Face, or similar) Experience building or integrating AI-powered features into applications (not just experimentation) Strong understanding of data flow, system design, and performance optimization Experience with relational databases (SQL Server or similar) Familiarity with microservices architecture, Kubernetes, and CI/CD pipelines Experience deploying applications in Azure or similar cloud environments Strong problem solving skills with ability to work in ambiguous, fast-moving environments Builder mindset-someone who can take an idea and turn it into a working feature quickly Pragmatic approach to AI (focus on value, not hype) Ability to work independently in a contract environment while collaborating closely with internal teams Strong communication skills and ability to explain AI concepts to non technical stakeholders Preferred Experience with prompt engineering, embeddings, or retrieval-augmented generation (RAG) Exposure to model evaluation, fine tuning, or AI performance monitoring Experience with event driven architectures or real time data processing Background in energy, fintech, or other complex data-driven industries
30/05/2026
Full time
AtRemoteStar, we're currently hiring for one of our clients based in Houston, TX. Years of experience: 3 to 5 years Location: USA About Client A fast-growing US-based SaaS company is transforming how energy firms manage operations. Their end-to-end ERP platform streamlines field data, production, finance, land, and compliance, delivering real-time insights and operational efficiency. With a strong client base and innovative tech, they're redefining digital transformation in the energy and utilities sector. You'll design and implement AI-driven functionality that improves automation and user experience. This includes leveraging LLMs, machine learning models, and modern AI tooling within a production SaaS environment. This is a hands on role for someone who can move quickly, make pragmatic decisions, and bring AI concepts into real, scalable product features. Responsibilities Design and implement AI-powered features within the platform (e.g., automation, recommendations, copilots) Integrate LLMs and/or ML models into existing services and workflows Evaluate, select, and optimize AI tools, APIs, and frameworks for production use Collaborate with Product to translate business problems into AI-driven solutions Build and maintain scalable backend services to support AI functionality Profile, test, and optimize performance of AI-integrated systems Ensure reliability, security, and cost efficiency of AI components in production Contribute to architecture decisions around AI integration and system design Partner with engineering teams to embed AI into existing applications without degrading stability Requirements 3+ years of experience as a software engineer in a SaaS or cloud-based environment Strong backend engineering experience (RoR and/or Golang preferred) Experience integrating APIs and working within distributed systems Hands on experience with AI/ML tools (e.g., OpenAI, Anthropic, Hugging Face, or similar) Experience building or integrating AI-powered features into applications (not just experimentation) Strong understanding of data flow, system design, and performance optimization Experience with relational databases (SQL Server or similar) Familiarity with microservices architecture, Kubernetes, and CI/CD pipelines Experience deploying applications in Azure or similar cloud environments Strong problem solving skills with ability to work in ambiguous, fast-moving environments Builder mindset-someone who can take an idea and turn it into a working feature quickly Pragmatic approach to AI (focus on value, not hype) Ability to work independently in a contract environment while collaborating closely with internal teams Strong communication skills and ability to explain AI concepts to non technical stakeholders Preferred Experience with prompt engineering, embeddings, or retrieval-augmented generation (RAG) Exposure to model evaluation, fine tuning, or AI performance monitoring Experience with event driven architectures or real time data processing Background in energy, fintech, or other complex data-driven industries
Artlogic
Data Engineer
Artlogic
Hours: 40 pw (9.30-6pm Monday to Friday, 1 hour lunch) Term: FTC - 6 months Location: UK or US (Remote) About us Artlogic is a leading technology platform for the art world. Founded in 1989, Artlogic empowers over 6,000 galleries, dealers, and art professionals worldwide to streamline their operations and grow their businesses. The company's integrated platform combines inventory management, CRM, websites, sales, marketing, and payment tools, everything needed to run a modern and successful art business. In 2021, Artlogic was acquired by tech investors Cove Hill Partners to accelerate innovationand expand its global reach. Since then, the company has doubled in size, with employees across London, New York, Atlanta, and Cape Town. Today, Artlogic is entering an exciting new chapter through its merger with ArtCloud, another industry leader in art technology. Together, the two companies are uniting complementary platforms to build the most comprehensive, forward-thinking solution for the art world. This collaboration brings together deep expertise across CRM, sales, marketing, inventory, payments, and AI-powered tools, empowering galleries, artists, and collectors worldwide. Joining Artlogic means becoming part of a growing global team that is shaping the future of how art is bought, sold, and managed, both online and in person. The Data Migration team operates within the Customer function, combining both technical and project delivery responsibilities. Project Managers act as the primary client interface, coordinating communication and requirements. Data Migration Specialists are responsible for technical execution, including ETL processes and solution design. The team also contributes to internal R&D, building tools and applications to improve migration efficiency and scalability. The Role As a Junior Data Engineer, you will be a vital part of the team responsible for the lifeblood of our onboarding process: client data. You will help bridge the gap between legacy client systems and the Artlogic ecosystem by building and executing robust ETL (Extract, Transform, Load) pipelines. This role is ideal for a developer early in their career who loves the "puzzle" aspect of data. You will work within the Data Migration team to dismantle complex external data structures (Relational data, FileMaker), reassemble them into our sophisticated data model, and contribute to the internal Python/Ruby libraries that make our migrations faster and smarter. You will be mentored by senior engineers and work closely with Project Managers to ensure a seamless transition for our clients. Key Responsibilities ETL Development & Execution Execute End-to-End Migrations: Learn to navigate the full migration lifecycle, moving data from diverse client environments into Artlogic. Extraction: Use scripts and tools to pull data from external platforms (e.g., FileMaker, legacy SQL databases). Transformation: Write clean, maintainable code to map, clean, and transform "messy" legacy data to fit the Artlogic schema. QA & Validation: Perform rigorous data validation and unit testing to ensure 100% accuracy and data integrity before go live. Technical Growth & Tooling Code Contribution: Assist in developing and maintaining our internal migration frameworks and R&D tools. Pipeline Optimization: Identify repetitive tasks in your daily workflow and work with senior engineers to automate them. Systems Analysis: Research unknown database structures to determine the most efficient extraction methods. Cross-functional Teamwork: Partner with Client Liaison Project Managers to understand client-specific data nuances. Documentation: Document migration mappings and technical edge cases to ensure knowledge is shared across the team. Iterative Delivery: Adapt migration scripts quickly as project requirements evolve during the onboarding phase. AI & Data AI Recommendation Verification and Data Mapping: Review and verify AI (Claude) recommendations for column mappings during cloud data migration, including confirming that columns fit perfectly or identifying where data requires manipulation or concatenation. Data Transformation and Cloud Push: Perform final data transformation steps using basic Python, Pandas, and Reax code to prepare and push relational data from Excel into the cloud environment. Key Attributes Data Integrity: Success is measured by the accuracy of migrated data and the absence of "broken" records post launch. Technical Progression: Demonstrates a growing ability to handle increasingly complex data structures with less supervision. Code Quality: Contributions to internal libraries follow team standards and improve overall migration speed. Reliability: Consistently meets project milestones and keeps stakeholders informed of technical blockers. About You Coding Foundations: Proficiency in at least one object-oriented language-Python is preferred, but we also value strong logic in C#. SQL & Data Logic: Solid understanding of relational databases (Joins, Keys, Indexes) and how to manipulate data structures. Problem-Solving Mindset: You enjoy the "detective work" of figuring out how a legacy system was built and how to extract its value. Detail Oriented: An obsession with data accuracy; you catch the "edge case" before it becomes a bug. Communication: Ability to explain technical data hurdles to non-technical Project Managers. The "Data Stack": Experience with ETL tools, pandas (Python), or regular expressions (Regex). API Knowledge: Familiarity with REST APIs and how to handle JSON/XML data. Niche Systems: Previous exposure to FileMaker (Claris) or NoSQL environments. Web Basics: A high-level understanding of how back end data interacts with front end UIs. Artlogic is an equal opportunities employer Artlogic is an equal opportunities employer. We are committed to fair and inclusive recruitment and employment practices. We welcome applications from all suitably qualified candidates. We are committed to making reasonable adjustments for disabled applicants and employees. If you have a disability and would like us to make adjustments to the application or interview process, or to discuss any adjustments to the role, please let us know. Please note that this position is UK or US based. Candidates must therefore have, or be able to obtain, appropriate immigration status entitling them to work in the UK or US for us in the role. Please note that we do not have a sponsor licence and we are not able to offer visa sponsorship for this position. The successful candidate will need to provide evidence/information to enable us to verify their right to work, prior to commencement of employment, and in accordance with current Home Office right to work guidance.
30/05/2026
Full time
Hours: 40 pw (9.30-6pm Monday to Friday, 1 hour lunch) Term: FTC - 6 months Location: UK or US (Remote) About us Artlogic is a leading technology platform for the art world. Founded in 1989, Artlogic empowers over 6,000 galleries, dealers, and art professionals worldwide to streamline their operations and grow their businesses. The company's integrated platform combines inventory management, CRM, websites, sales, marketing, and payment tools, everything needed to run a modern and successful art business. In 2021, Artlogic was acquired by tech investors Cove Hill Partners to accelerate innovationand expand its global reach. Since then, the company has doubled in size, with employees across London, New York, Atlanta, and Cape Town. Today, Artlogic is entering an exciting new chapter through its merger with ArtCloud, another industry leader in art technology. Together, the two companies are uniting complementary platforms to build the most comprehensive, forward-thinking solution for the art world. This collaboration brings together deep expertise across CRM, sales, marketing, inventory, payments, and AI-powered tools, empowering galleries, artists, and collectors worldwide. Joining Artlogic means becoming part of a growing global team that is shaping the future of how art is bought, sold, and managed, both online and in person. The Data Migration team operates within the Customer function, combining both technical and project delivery responsibilities. Project Managers act as the primary client interface, coordinating communication and requirements. Data Migration Specialists are responsible for technical execution, including ETL processes and solution design. The team also contributes to internal R&D, building tools and applications to improve migration efficiency and scalability. The Role As a Junior Data Engineer, you will be a vital part of the team responsible for the lifeblood of our onboarding process: client data. You will help bridge the gap between legacy client systems and the Artlogic ecosystem by building and executing robust ETL (Extract, Transform, Load) pipelines. This role is ideal for a developer early in their career who loves the "puzzle" aspect of data. You will work within the Data Migration team to dismantle complex external data structures (Relational data, FileMaker), reassemble them into our sophisticated data model, and contribute to the internal Python/Ruby libraries that make our migrations faster and smarter. You will be mentored by senior engineers and work closely with Project Managers to ensure a seamless transition for our clients. Key Responsibilities ETL Development & Execution Execute End-to-End Migrations: Learn to navigate the full migration lifecycle, moving data from diverse client environments into Artlogic. Extraction: Use scripts and tools to pull data from external platforms (e.g., FileMaker, legacy SQL databases). Transformation: Write clean, maintainable code to map, clean, and transform "messy" legacy data to fit the Artlogic schema. QA & Validation: Perform rigorous data validation and unit testing to ensure 100% accuracy and data integrity before go live. Technical Growth & Tooling Code Contribution: Assist in developing and maintaining our internal migration frameworks and R&D tools. Pipeline Optimization: Identify repetitive tasks in your daily workflow and work with senior engineers to automate them. Systems Analysis: Research unknown database structures to determine the most efficient extraction methods. Cross-functional Teamwork: Partner with Client Liaison Project Managers to understand client-specific data nuances. Documentation: Document migration mappings and technical edge cases to ensure knowledge is shared across the team. Iterative Delivery: Adapt migration scripts quickly as project requirements evolve during the onboarding phase. AI & Data AI Recommendation Verification and Data Mapping: Review and verify AI (Claude) recommendations for column mappings during cloud data migration, including confirming that columns fit perfectly or identifying where data requires manipulation or concatenation. Data Transformation and Cloud Push: Perform final data transformation steps using basic Python, Pandas, and Reax code to prepare and push relational data from Excel into the cloud environment. Key Attributes Data Integrity: Success is measured by the accuracy of migrated data and the absence of "broken" records post launch. Technical Progression: Demonstrates a growing ability to handle increasingly complex data structures with less supervision. Code Quality: Contributions to internal libraries follow team standards and improve overall migration speed. Reliability: Consistently meets project milestones and keeps stakeholders informed of technical blockers. About You Coding Foundations: Proficiency in at least one object-oriented language-Python is preferred, but we also value strong logic in C#. SQL & Data Logic: Solid understanding of relational databases (Joins, Keys, Indexes) and how to manipulate data structures. Problem-Solving Mindset: You enjoy the "detective work" of figuring out how a legacy system was built and how to extract its value. Detail Oriented: An obsession with data accuracy; you catch the "edge case" before it becomes a bug. Communication: Ability to explain technical data hurdles to non-technical Project Managers. The "Data Stack": Experience with ETL tools, pandas (Python), or regular expressions (Regex). API Knowledge: Familiarity with REST APIs and how to handle JSON/XML data. Niche Systems: Previous exposure to FileMaker (Claris) or NoSQL environments. Web Basics: A high-level understanding of how back end data interacts with front end UIs. Artlogic is an equal opportunities employer Artlogic is an equal opportunities employer. We are committed to fair and inclusive recruitment and employment practices. We welcome applications from all suitably qualified candidates. We are committed to making reasonable adjustments for disabled applicants and employees. If you have a disability and would like us to make adjustments to the application or interview process, or to discuss any adjustments to the role, please let us know. Please note that this position is UK or US based. Candidates must therefore have, or be able to obtain, appropriate immigration status entitling them to work in the UK or US for us in the role. Please note that we do not have a sponsor licence and we are not able to offer visa sponsorship for this position. The successful candidate will need to provide evidence/information to enable us to verify their right to work, prior to commencement of employment, and in accordance with current Home Office right to work guidance.
Creative Technologist
Unboxed Consulting
Salary starting at £53,182 (depending on experience). London, UK Hybrid - 2/3 days in the office. About the role This developer-focused role requires someone who has hands on experience working in small, cross functional teams, and is capable of building and maintaining early stage digital products or prototypes end to end, from first commit to deployment. You'll be comfortable working across the full stack, using established frameworks such as Ruby on Rails. We're looking for someone who is collaborative, proactive and focused on outcomes. You should be able to translate loosely defined ideas into usable products at pace, working closely with non technical colleagues throughout. You may also bring skills beyond software engineering - such as product thinking or design considerations. The successful candidate will also be available for out of hours support on a rota basis (for an extra payment). This will require knowledge of AWS (or transferable knowledge of another similar cloud provider). Prototyping and communicating This role prioritises speed, clarity, and delivering real value over pursuing complex or highly novel technical challenges. Great communication is also non negotiable in this role. You should be equally comfortable explaining complex technical ideas to non technical audiences and creating presentations that make everyone feel included. Implementing creative solutions that fit the need We are not looking for someone who knows everything about every possible topic, but we are looking for someone who can think outside the box to work collaboratively with clients to find solutions that fit their needs, whether that is helping them learn how to use a no code platform or setting up metrics dashboards. Most projects will involve prototyping at least one app, but some will not, so you will need to be able to proactively come up with new ideas and workarounds where necessary. Strong client and stakeholder relationships Many of our clients are navigating organisational change alongside digital transformation. You'll build trusted relationships with the people you work with, communicating clearly and confidently about progress, risks and decisions. You'll help clients understand agile delivery as genuine partners in the work, rather than passive recipients of status updates, and help them identify opportunities to expand our collaboration on future projects. Key activities Working with designers to create products specific to our clients' needs Reviewing and adapting existing codebases on occasion Participating in user research sessions Working with version control tools Writing extensive and reliable automated tests Collaborating with colleagues and clients in a way that demonstrates Unboxed's values of care and attention Contributing to presentations, slide decks and reports Reviewing technical colleagues' pull requests kindly and constructively Presenting your work during internal and external show and tells Adapting to new technologies and workflows such as AI assistants and agents Demonstrating best in class security practices Making products accessible by default Creating, consuming and documenting modern APIs Keeping up to date on the latest technology developments so you are able to recommend the most appropriate solutions and tools Ruby and Ruby on Rails preferred Cloud infrastructure such as AWS or GCP Git TDD/BDD SQL (preferably MySQL or PostgreSQL) HTML and CSS Experience working with AI tools/agentic workflows Experience working in an agile environment Open source contributions Experience setting up and maintaining UNIX systems Understanding of continuous integration and delivery Core competencies and behaviours Naturally collaborative Good communicators (written and verbal) Adaptable Comfortable with uncertainty and complexity Curious and questioning Active listeners Empathic, humble and generous Open and honest Always learning Passionate about our work Reflective, on yourself and the situation How we work Flexible, hybrid working We've adapted our working practices and London office space to support hybrid working. The whole team works in our London office a minimum of two days a week. We trust our team to do the work they need to do and to collaborate closely. If you need to flex around caring responsibilities or other commitments, we'll work with you to find the right balance. Salary bands We use salary bands to ensure that everyone at Unboxed gets paid fairly in relation to others at the company. We assess what band you are in according to skills, competencies and experience. Other benefits 25 holiday days per year, on top of the bank holiday allowance 10 Innovation Days per year to explore your own ideas Holiday flexibility and loyalty bonus benefits Maternity and Shared Parental Leave policies A generous conference budget Flexible working hours and location An informal culture of growth Monthly 'Linkers and Thinkers' idea exploring lunches Weekly 'Design Club' to share wider thoughts, ideas and opinions with the team We are an equal opportunity employer and we're committed to further increasing diversity within Unboxed. We believe in fostering an inclusive and equitable workplace that values and embraces the unique perspectives and experiences that each individual brings. We recognise that not everyone will have had the same opportunity to gain relevant experience and therefore welcome applications from UK residents who may have felt excluded from such a role in the past, whether due to age, gender, ethnicity, visible or invisible disability, neurodivergence, education, religion/belief, sexual orientation, or family/care commitments.
30/05/2026
Full time
Salary starting at £53,182 (depending on experience). London, UK Hybrid - 2/3 days in the office. About the role This developer-focused role requires someone who has hands on experience working in small, cross functional teams, and is capable of building and maintaining early stage digital products or prototypes end to end, from first commit to deployment. You'll be comfortable working across the full stack, using established frameworks such as Ruby on Rails. We're looking for someone who is collaborative, proactive and focused on outcomes. You should be able to translate loosely defined ideas into usable products at pace, working closely with non technical colleagues throughout. You may also bring skills beyond software engineering - such as product thinking or design considerations. The successful candidate will also be available for out of hours support on a rota basis (for an extra payment). This will require knowledge of AWS (or transferable knowledge of another similar cloud provider). Prototyping and communicating This role prioritises speed, clarity, and delivering real value over pursuing complex or highly novel technical challenges. Great communication is also non negotiable in this role. You should be equally comfortable explaining complex technical ideas to non technical audiences and creating presentations that make everyone feel included. Implementing creative solutions that fit the need We are not looking for someone who knows everything about every possible topic, but we are looking for someone who can think outside the box to work collaboratively with clients to find solutions that fit their needs, whether that is helping them learn how to use a no code platform or setting up metrics dashboards. Most projects will involve prototyping at least one app, but some will not, so you will need to be able to proactively come up with new ideas and workarounds where necessary. Strong client and stakeholder relationships Many of our clients are navigating organisational change alongside digital transformation. You'll build trusted relationships with the people you work with, communicating clearly and confidently about progress, risks and decisions. You'll help clients understand agile delivery as genuine partners in the work, rather than passive recipients of status updates, and help them identify opportunities to expand our collaboration on future projects. Key activities Working with designers to create products specific to our clients' needs Reviewing and adapting existing codebases on occasion Participating in user research sessions Working with version control tools Writing extensive and reliable automated tests Collaborating with colleagues and clients in a way that demonstrates Unboxed's values of care and attention Contributing to presentations, slide decks and reports Reviewing technical colleagues' pull requests kindly and constructively Presenting your work during internal and external show and tells Adapting to new technologies and workflows such as AI assistants and agents Demonstrating best in class security practices Making products accessible by default Creating, consuming and documenting modern APIs Keeping up to date on the latest technology developments so you are able to recommend the most appropriate solutions and tools Ruby and Ruby on Rails preferred Cloud infrastructure such as AWS or GCP Git TDD/BDD SQL (preferably MySQL or PostgreSQL) HTML and CSS Experience working with AI tools/agentic workflows Experience working in an agile environment Open source contributions Experience setting up and maintaining UNIX systems Understanding of continuous integration and delivery Core competencies and behaviours Naturally collaborative Good communicators (written and verbal) Adaptable Comfortable with uncertainty and complexity Curious and questioning Active listeners Empathic, humble and generous Open and honest Always learning Passionate about our work Reflective, on yourself and the situation How we work Flexible, hybrid working We've adapted our working practices and London office space to support hybrid working. The whole team works in our London office a minimum of two days a week. We trust our team to do the work they need to do and to collaborate closely. If you need to flex around caring responsibilities or other commitments, we'll work with you to find the right balance. Salary bands We use salary bands to ensure that everyone at Unboxed gets paid fairly in relation to others at the company. We assess what band you are in according to skills, competencies and experience. Other benefits 25 holiday days per year, on top of the bank holiday allowance 10 Innovation Days per year to explore your own ideas Holiday flexibility and loyalty bonus benefits Maternity and Shared Parental Leave policies A generous conference budget Flexible working hours and location An informal culture of growth Monthly 'Linkers and Thinkers' idea exploring lunches Weekly 'Design Club' to share wider thoughts, ideas and opinions with the team We are an equal opportunity employer and we're committed to further increasing diversity within Unboxed. We believe in fostering an inclusive and equitable workplace that values and embraces the unique perspectives and experiences that each individual brings. We recognise that not everyone will have had the same opportunity to gain relevant experience and therefore welcome applications from UK residents who may have felt excluded from such a role in the past, whether due to age, gender, ethnicity, visible or invisible disability, neurodivergence, education, religion/belief, sexual orientation, or family/care commitments.
Stratospherec Ltd
Junior Ruby on Rails Developer
Stratospherec Ltd Portsmouth, Hampshire
Junior Developer role - Top UK Digital Analytics Company - Portsmouth - Salary to £35k We are delighted to be recruiting for an award-winning UK Digital Analytics who provide innovative digital analytics solutions for public and event spaces. They are looking for a Junior Developer in their development team. They are looking for a Developer with some experience with Ruby on Rails or Python, JavaScript, HTML, CSS, MYSQL or PostgreSQL, and Git. My client is well respected for the training and mentoring they provide to their developers, and they use real-world code on real tasks while supplementing theory with popular training courses, books, and websites. Skills Some experience with Ruby on Rails or Knowledge of Python Working knowledge of HTML, CSS and JavaScript Knowledge of MySQL, SQL or PostgreSQL Good Communication skills Experience using Github A person who has the drive to, and is willing to, learn new things and grow as a developer and team member My client work from their lovely office in central Portsmouth, so they would like you to come in to their office on a full-time basis. This role pays up to £35k with a good benefits package. You will also have the opportunity to work overtime to earn more.
30/05/2026
Full time
Junior Developer role - Top UK Digital Analytics Company - Portsmouth - Salary to £35k We are delighted to be recruiting for an award-winning UK Digital Analytics who provide innovative digital analytics solutions for public and event spaces. They are looking for a Junior Developer in their development team. They are looking for a Developer with some experience with Ruby on Rails or Python, JavaScript, HTML, CSS, MYSQL or PostgreSQL, and Git. My client is well respected for the training and mentoring they provide to their developers, and they use real-world code on real tasks while supplementing theory with popular training courses, books, and websites. Skills Some experience with Ruby on Rails or Knowledge of Python Working knowledge of HTML, CSS and JavaScript Knowledge of MySQL, SQL or PostgreSQL Good Communication skills Experience using Github A person who has the drive to, and is willing to, learn new things and grow as a developer and team member My client work from their lovely office in central Portsmouth, so they would like you to come in to their office on a full-time basis. This role pays up to £35k with a good benefits package. You will also have the opportunity to work overtime to earn more.
Hybrid Ruby on Rails Engineer: Build Scalable APIs
Proactive.IT Appointments Limited Bristol, Gloucestershire
11497AW-7 £70k - 80k per year Ruby on Rails Developer Hybrid work 2/3 days onsite per month We are seeking an experienced Ruby on Rails Developer to join our clients growing engineering team. This is an exciting opportunity for a passionate developer who thrives in dynamic environments and enjoys solving complex technical challenges. You will play a key role in designing, building, and maintaining high performing, scalable applications that directly impact our customers and business operations. In this role, you'll work closely with cross functional teams to develop new features, enhance existing systems, and ensure our platform remains stable and efficient. Your deep understanding of Rails architecture, PostgreSQL optimisation, and API design will be essential as you contribute to ongoing development projects. If you enjoy collaborating in Agile/Scrum environments, value clean code, and are eager to work with modern tooling, cloud services, and containerised deployments, we'd love to hear from you. Key Skills 4+ years' experience with Ruby on Rails Strong understanding of OOP & Rails architecture Extensive experience with PostgreSQL (performance tuning, complex queries) Background job processing with Sidekiq & Redis Expertise in RESTful APIs , JSON, JWT, SSO Experience with AWS & Docker Production system support & troubleshooting Strong communication skills & Agile/Scrum experience Ruby on Rails Developer Due to the volume of applications received for positions, it will not be possible to respond to all applications and only applicants who are considered suitable for interview will be contacted. Proactive Appointments Limited operates as an employment agency and employment business and is an equal opportunities organisation We take our obligations to protect your personal data very seriously. Any information provided to us will be processed as detailed in our Privacy Notice, a copy of which can be found on our website
30/05/2026
Full time
11497AW-7 £70k - 80k per year Ruby on Rails Developer Hybrid work 2/3 days onsite per month We are seeking an experienced Ruby on Rails Developer to join our clients growing engineering team. This is an exciting opportunity for a passionate developer who thrives in dynamic environments and enjoys solving complex technical challenges. You will play a key role in designing, building, and maintaining high performing, scalable applications that directly impact our customers and business operations. In this role, you'll work closely with cross functional teams to develop new features, enhance existing systems, and ensure our platform remains stable and efficient. Your deep understanding of Rails architecture, PostgreSQL optimisation, and API design will be essential as you contribute to ongoing development projects. If you enjoy collaborating in Agile/Scrum environments, value clean code, and are eager to work with modern tooling, cloud services, and containerised deployments, we'd love to hear from you. Key Skills 4+ years' experience with Ruby on Rails Strong understanding of OOP & Rails architecture Extensive experience with PostgreSQL (performance tuning, complex queries) Background job processing with Sidekiq & Redis Expertise in RESTful APIs , JSON, JWT, SSO Experience with AWS & Docker Production system support & troubleshooting Strong communication skills & Agile/Scrum experience Ruby on Rails Developer Due to the volume of applications received for positions, it will not be possible to respond to all applications and only applicants who are considered suitable for interview will be contacted. Proactive Appointments Limited operates as an employment agency and employment business and is an equal opportunities organisation We take our obligations to protect your personal data very seriously. Any information provided to us will be processed as detailed in our Privacy Notice, a copy of which can be found on our website
Back-end Engineer: Build Scalable Web Apps & APIs
Business dOr LLC.
Business d'Or LLC. is seeking an experienced Back-end developer to join our IT team in Greater London. This role requires expertise in server-side applications and a passion for creating new software while enhancing existing solutions. The ideal candidate will work closely with developers to maintain system consistency and improve user experiences. Strong knowledge of programming languages such as Python, PHP, Ruby, and Java along with a BSc in Computer Science or a related field is required.
30/05/2026
Full time
Business d'Or LLC. is seeking an experienced Back-end developer to join our IT team in Greater London. This role requires expertise in server-side applications and a passion for creating new software while enhancing existing solutions. The ideal candidate will work closely with developers to maintain system consistency and improve user experiences. Strong knowledge of programming languages such as Python, PHP, Ruby, and Java along with a BSc in Computer Science or a related field is required.
Zebra People
Senior Full-Stack Engineer - Enterprise Impact (London)
Zebra People
A Unicorn company that have recently opened up a Enterprise division in London are looking for multiple full stack engineers to join their London based team. The client It's an opportunity to have an immediate and real impact on the future of their product. They have a self-autonomous environment where initiative is rewarded and you're given a huge degree of independence. What's the product? With over 180,000 customers (including Coca Cola, Hulu and Universal) and growing, the product is work operating system that allows any given client to shape workflows, their way. They can boost their team's alignment, productivity and efficiency by customising any workflow. It allows you to centralise all work, processes, tools and files into one operating system. The role The Role As mentioned, you'll joining their London Enterprise team (they already have one in Tel-Aviv). This team will have the core focus of specifically catering to the needs of larger businesses or enterprises. They're looking for an engineer who can look beyond the code and see the bigger picture. The enterprise team works across teams and has three sub sections in which you could be responsible of; Security-related features/Integrity and Data Protection User access/Permissions management Customer Accounts/Management tools As such, they want someone who's happy to really plug themselves into both user and business needs. Because of this there'll be the opportunity for you to write a lot of new code, increase product features and help them penetrate this new domain. The candidate What experience do I need? They're looking for an engineer who comes with experience of closing a whole product cycle, with end-to-end ownership from a product based company. Primarily you'll be working with JavaScript (Node, React, Redux) and Ruby, (with an equal split 50/50). However, they know that a good developer can pick up a new language quickly, so they're really not fussed on your background. Their software engineering stack looks like this: React, Redux, Node, Ruby, AWS, Linux, Elasticsearch, Cassandra, Kubernetes, Docker, Kafka. What's in it for you? Based near Tottenham Court Road Station (right by the Meta offices), they're offering a salary of up to £115K. On top of that is a pretty impressive annual bonus of 8-10%, as well as stock options. There are 25 days holiday plus your bank holidays. They are looking for people to come into the office 3 days a week at the moment, though the manager is looking to reduce this over time. The Interview Process First stage is a short intro call with the Internal Recruiter, who'll give you a bit more info on the product and project as well as take any questions you have around them. There'll be some light technical questions but nothing heavy. This is followed by three separate technical interviews; one around the day to day activities they do and another that is more general. The final stage is an opportunity for you to meet people face to face in their Central London office and is a chance for you to get to know your new potential team.
30/05/2026
Full time
A Unicorn company that have recently opened up a Enterprise division in London are looking for multiple full stack engineers to join their London based team. The client It's an opportunity to have an immediate and real impact on the future of their product. They have a self-autonomous environment where initiative is rewarded and you're given a huge degree of independence. What's the product? With over 180,000 customers (including Coca Cola, Hulu and Universal) and growing, the product is work operating system that allows any given client to shape workflows, their way. They can boost their team's alignment, productivity and efficiency by customising any workflow. It allows you to centralise all work, processes, tools and files into one operating system. The role The Role As mentioned, you'll joining their London Enterprise team (they already have one in Tel-Aviv). This team will have the core focus of specifically catering to the needs of larger businesses or enterprises. They're looking for an engineer who can look beyond the code and see the bigger picture. The enterprise team works across teams and has three sub sections in which you could be responsible of; Security-related features/Integrity and Data Protection User access/Permissions management Customer Accounts/Management tools As such, they want someone who's happy to really plug themselves into both user and business needs. Because of this there'll be the opportunity for you to write a lot of new code, increase product features and help them penetrate this new domain. The candidate What experience do I need? They're looking for an engineer who comes with experience of closing a whole product cycle, with end-to-end ownership from a product based company. Primarily you'll be working with JavaScript (Node, React, Redux) and Ruby, (with an equal split 50/50). However, they know that a good developer can pick up a new language quickly, so they're really not fussed on your background. Their software engineering stack looks like this: React, Redux, Node, Ruby, AWS, Linux, Elasticsearch, Cassandra, Kubernetes, Docker, Kafka. What's in it for you? Based near Tottenham Court Road Station (right by the Meta offices), they're offering a salary of up to £115K. On top of that is a pretty impressive annual bonus of 8-10%, as well as stock options. There are 25 days holiday plus your bank holidays. They are looking for people to come into the office 3 days a week at the moment, though the manager is looking to reduce this over time. The Interview Process First stage is a short intro call with the Internal Recruiter, who'll give you a bit more info on the product and project as well as take any questions you have around them. There'll be some light technical questions but nothing heavy. This is followed by three separate technical interviews; one around the day to day activities they do and another that is more general. The final stage is an opportunity for you to meet people face to face in their Central London office and is a chance for you to get to know your new potential team.
AO.com
Senior Developer - musicMagpie
AO.com Stockport, Lancashire
We've recently welcomed musicMagpie to the AO family, a company that shares our passion for putting customers first, caring about colleagues and making a real difference. Together, we're set to make an even bigger difference and with that comes exciting opportunities to shape the future of sustainable tech. musicMagpie are on a mission to make tech more affordable and help protect the planet by encouraging recycling, refurbishing, and repurposing tech and physical media products. They give millions of customers a smart, sustainable, and trusted way to buy, sell, and rent phones, tablets, games consoles, laptops, and other tech - all in one place. We're looking for a Senior .NET Developer, to be a core part of one our cross functional teams. Each of our cross-functional teams owns a series of platforms, from development and infrastructure through to ongoing support, so you'll be a key part of delivering features, enhancements, and general tech related updates within the team. In addition, our teams maintain their own pipelines and infrastructure using IaC best practices. You'll be working in an agile team, supporting and mentoring the team in design, development and making high level technical decisions, whilst also working with Product Owners, developers, and external stakeholders to define and work towards achievable goals. Here's What You Can Expect To Be Doing You'll be getting hands-on with building modern .NET Core applications and helping us move legacy systems over to newer tech (bonus points if you've touched Ruby or VB, but it's definitely not a must). You'll play a big part in shaping our service driven architecture, working with .NET Core, APIs and MySQL, and making sure everything we deliver is clean, secure and easy to maintain. You'll build and deploy into Azure, keep our cloud infrastructure resilient, and drive technical improvements from idea stage right through to production. Collaboration is a big part of the role too - whether that's partnering with UI Developers for end to end solutions, working closely with business stakeholders, or supporting the rest of the team to level up. You'll be designing and working with RESTful APIs, delivering in a CI/CD environment, and always pushing for high coding standards across the team. A Few Things About You Proven experience building Web based .NET Solutions Experience with Git, GitHub/Azure Dev ops Familiarity with agile environments Experience/knowledge of developing for the cloud Experience with CI and Automation tools Critical thinker and problem-solving skills Be able to communicate well with technical and non-technical people Comfortable working independently Preferred knowledge of Azure PaaS services Experience with modern Frontend technologies React/Vue desirable but not essential Experience in TDD desirable but not essential A Bit About Us musicMagpie is the surprisingly quick and easy way to declutter and get cash for your stuff, which is why millions of people use us every year to sell their mobile phone, games consoles, tablets, smartwatches, CDs, DVDs, games, books, blu-rays & much more. We've paid hundreds of millions to our happy customers - the smart, sustainable and trusted way to shop and sell. As a pioneer in the circular economy, we've built a trusted platform using our circular model of recycling, refurbishing, reselling and renting products to give tech a second life and help to reduce e-waste on a massive scale. As a musicMagpie employee, you'll be part of a company that's making a real difference, redefining how people buy and sell tech, and shaping a greener, more sustainable future. Plus, you'll have the chance to learn, grow and innovate alongside a team that's friendly, supportive and always looking ahead! 33 days holiday (inclusive of Bank Holidays) Holiday purchase scheme on top of your above statutory allowance Salary sacrifice pension scheme Share save scheme Discounts across the musicMagpie product range Making a difference - 2 days paid leave for volunteering at a charity of your choice Health & wellbeing - Employee Assistance Helpline (EAP) & access to mental health first aiders and much more
29/05/2026
Full time
We've recently welcomed musicMagpie to the AO family, a company that shares our passion for putting customers first, caring about colleagues and making a real difference. Together, we're set to make an even bigger difference and with that comes exciting opportunities to shape the future of sustainable tech. musicMagpie are on a mission to make tech more affordable and help protect the planet by encouraging recycling, refurbishing, and repurposing tech and physical media products. They give millions of customers a smart, sustainable, and trusted way to buy, sell, and rent phones, tablets, games consoles, laptops, and other tech - all in one place. We're looking for a Senior .NET Developer, to be a core part of one our cross functional teams. Each of our cross-functional teams owns a series of platforms, from development and infrastructure through to ongoing support, so you'll be a key part of delivering features, enhancements, and general tech related updates within the team. In addition, our teams maintain their own pipelines and infrastructure using IaC best practices. You'll be working in an agile team, supporting and mentoring the team in design, development and making high level technical decisions, whilst also working with Product Owners, developers, and external stakeholders to define and work towards achievable goals. Here's What You Can Expect To Be Doing You'll be getting hands-on with building modern .NET Core applications and helping us move legacy systems over to newer tech (bonus points if you've touched Ruby or VB, but it's definitely not a must). You'll play a big part in shaping our service driven architecture, working with .NET Core, APIs and MySQL, and making sure everything we deliver is clean, secure and easy to maintain. You'll build and deploy into Azure, keep our cloud infrastructure resilient, and drive technical improvements from idea stage right through to production. Collaboration is a big part of the role too - whether that's partnering with UI Developers for end to end solutions, working closely with business stakeholders, or supporting the rest of the team to level up. You'll be designing and working with RESTful APIs, delivering in a CI/CD environment, and always pushing for high coding standards across the team. A Few Things About You Proven experience building Web based .NET Solutions Experience with Git, GitHub/Azure Dev ops Familiarity with agile environments Experience/knowledge of developing for the cloud Experience with CI and Automation tools Critical thinker and problem-solving skills Be able to communicate well with technical and non-technical people Comfortable working independently Preferred knowledge of Azure PaaS services Experience with modern Frontend technologies React/Vue desirable but not essential Experience in TDD desirable but not essential A Bit About Us musicMagpie is the surprisingly quick and easy way to declutter and get cash for your stuff, which is why millions of people use us every year to sell their mobile phone, games consoles, tablets, smartwatches, CDs, DVDs, games, books, blu-rays & much more. We've paid hundreds of millions to our happy customers - the smart, sustainable and trusted way to shop and sell. As a pioneer in the circular economy, we've built a trusted platform using our circular model of recycling, refurbishing, reselling and renting products to give tech a second life and help to reduce e-waste on a massive scale. As a musicMagpie employee, you'll be part of a company that's making a real difference, redefining how people buy and sell tech, and shaping a greener, more sustainable future. Plus, you'll have the chance to learn, grow and innovate alongside a team that's friendly, supportive and always looking ahead! 33 days holiday (inclusive of Bank Holidays) Holiday purchase scheme on top of your above statutory allowance Salary sacrifice pension scheme Share save scheme Discounts across the musicMagpie product range Making a difference - 2 days paid leave for volunteering at a charity of your choice Health & wellbeing - Employee Assistance Helpline (EAP) & access to mental health first aiders and much more
Senior Platform Engineer
DRW Holdings, LLC.
DRW is a diversified trading firm with over 3 decades of experience bringing sophisticated technology and exceptional people together to operate in markets around the world. We value autonomy and the ability to quickly pivot to capture opportunities, so we operate using our own capital and trading at our own risk. Headquartered in Chicago with offices throughout the U.S., Canada, Europe, and Asia, we trade a variety of asset classes including Fixed Income, ETFs, Equities, FX, Commodities and Energy across all major global markets. We have also leveraged our expertise and technology to expand into three non-traditional strategies: real estate, venture capital and cryptoassets. We operate with respect, curiosity and open minds. The people who thrive here share our belief that it's not just what we do that matters-it's how we do it. DRW is a place of high expectations, integrity, innovation and a willingness to challenge consensus. UP (Unified Platform) consolidates data and technologies into a comprehensive solution, accelerating time to market. Optimizing decision-making and research, our platform simplifies implementing new ideas, enhancing our competitive edge. UP - PI (Platform Infrastructure) creates and operates tooling to make building, running, and changing UP software more scalable, failure-proof, and intelligible. They bridge infrastructure and running services and balance developer autonomy with guard-rails. The team ensures that infrastructure underlying UP services is robust, resilient, and agile to adapt to evolving demands. The team curates UP's SDLC by embedding and consulting with other teams to hone a consistent approach. UP - PI spearheads adoption of new tools and practices across the UP platform. Pave a Golden Path for developers from design to deployment. Design, implement, operate and maintain build/release/run tooling for 20+ development teams. Enable other teams to focus on business domains. Influence outcomes through dozens of software teams. Consolidate diverse and redundant approaches to common problems. Support and teach users of the development platform you build. Incorporate Agentic AI tools into our SDLC and Platform. Make AI-Empowered iteration seamless and safe for other Software Engineers. Six or more years of high impact contributions in Software Engineering or adjacent roles Expertise in GitHub Actions, Team City, Concourse, or comparable CI/CD systems Proficiency in at least one of Python, Go, Java, Ruby Working Knowledge of Kubernetes Comfort deploying software to the cloud and on-premises Proven success in elevating standards for non-functional requirements like security, observability, reliability, and speed of delivery Informed perspective about AI Agents as development tools Record of accomplishment of enhancing the capabilities of other engineers and teams For more information about DRW's processing activities and our use of job applicants' data, please view our Privacy Notice at .
29/05/2026
Full time
DRW is a diversified trading firm with over 3 decades of experience bringing sophisticated technology and exceptional people together to operate in markets around the world. We value autonomy and the ability to quickly pivot to capture opportunities, so we operate using our own capital and trading at our own risk. Headquartered in Chicago with offices throughout the U.S., Canada, Europe, and Asia, we trade a variety of asset classes including Fixed Income, ETFs, Equities, FX, Commodities and Energy across all major global markets. We have also leveraged our expertise and technology to expand into three non-traditional strategies: real estate, venture capital and cryptoassets. We operate with respect, curiosity and open minds. The people who thrive here share our belief that it's not just what we do that matters-it's how we do it. DRW is a place of high expectations, integrity, innovation and a willingness to challenge consensus. UP (Unified Platform) consolidates data and technologies into a comprehensive solution, accelerating time to market. Optimizing decision-making and research, our platform simplifies implementing new ideas, enhancing our competitive edge. UP - PI (Platform Infrastructure) creates and operates tooling to make building, running, and changing UP software more scalable, failure-proof, and intelligible. They bridge infrastructure and running services and balance developer autonomy with guard-rails. The team ensures that infrastructure underlying UP services is robust, resilient, and agile to adapt to evolving demands. The team curates UP's SDLC by embedding and consulting with other teams to hone a consistent approach. UP - PI spearheads adoption of new tools and practices across the UP platform. Pave a Golden Path for developers from design to deployment. Design, implement, operate and maintain build/release/run tooling for 20+ development teams. Enable other teams to focus on business domains. Influence outcomes through dozens of software teams. Consolidate diverse and redundant approaches to common problems. Support and teach users of the development platform you build. Incorporate Agentic AI tools into our SDLC and Platform. Make AI-Empowered iteration seamless and safe for other Software Engineers. Six or more years of high impact contributions in Software Engineering or adjacent roles Expertise in GitHub Actions, Team City, Concourse, or comparable CI/CD systems Proficiency in at least one of Python, Go, Java, Ruby Working Knowledge of Kubernetes Comfort deploying software to the cloud and on-premises Proven success in elevating standards for non-functional requirements like security, observability, reliability, and speed of delivery Informed perspective about AI Agents as development tools Record of accomplishment of enhancing the capabilities of other engineers and teams For more information about DRW's processing activities and our use of job applicants' data, please view our Privacy Notice at .
Rockstar Games hiring Lead Programmer, United Kingdom
Festybay Edinburgh, Midlothian
Rockstar Games North is seeking a seasoned and highly technical Lead Programmer to spearhead the evolution of our Creator Platforms, specifically focusing on the continued growth and integration of the FiveM and RedM ecosystems. Based in our state of the art studio in the heart of Edinburgh, Scotland, this leadership role is at the vanguard of the "User Generated Content" (UGC) revolution in gaming. As a Lead Programmer at Rockstar, you will be responsible for the low level architecture that empowers millions of players and creators to build, share, and experience custom game modes on dedicated servers. This position requires a rare blend of deep technical "under the hood" knowledge and sophisticated leadership capabilities. You will manage high performing engineering teams while collaborating with global stakeholders to ensure our creator tools remain the most powerful and secure in the entertainment industry. Job Overview: Lead Programmer Category Details Primary Keyword Lead Programmer Company Name Rockstar Games (Rockstar North) Department Creator Platform Team Job Type Full Time, Permanent Work Model In Office Location Edinburgh, Scotland, United Kingdom Primary Platforms FiveM, RedM Core Technologies C++, Scripting (Python/Lua), Low level Systems Compensation and Regional Benchmarks Rockstar Games provides competitive salary packages that reflect Edinburgh's status as a premier global hub for game development. The following estimate provides a benchmark for a Lead level engineering role in the UK market for 2026. Seniority Level Estimated Annual Salary (£) Typical Benefits Package Lead Programmer £95,000 - £135,000+ Performance Bonus, Private Healthcare Senior Lead / Principal £140,000 - £175,000+ LTI/Equity, Enhanced Pension Note: Final salary offers are highly individualized, taking into account the candidate's specific track record in low level systems, previous leadership of large teams (10+), and history of shipped AAA titles. Rockstar is committed to providing reasonable accommodations for qualified applicants with disabilities throughout the recruitment process. The Mission of the Creator Platform Team The Creator Platform team's mandate is to democratize game development within the Rockstar ecosystem. We build the technology that allows creators to develop their own game modes and modifications using a variety of scripting languages. By joining this team as a Lead Programmer, you are not just building a feature; you are building an engine for community creativity. Core Responsibilities Strategic Architecture: Develop and maintain a comprehensive strategy for the continuous improvement of the FiveM and RedM platforms. You will oversee the low level systems that allow for fully customised dedicated servers and complex modding capabilities. Team Leadership & Mentorship: Oversee multiple engineering teams. You will work closely with appointed engineering leads to align on technical decisions, while mentoring senior and junior developers to elevate the team's collective skill set. SDLC Management: Implement and maintain a rigorous Software Development Lifecycle (SDLC). You must ensure that development processes are efficient, scalable, and aligned with the overarching security standards of Rockstar Games. Integration Strategy: Leverage your deep knowledge of our internal codebase to devise well considered strategies for integrating Creator Platform technology into core Rockstar products. Cross Functional Collaboration: Act as a bridge between the Creator Platform and departments such as Game Engineering, Security, Online Services, and DevOps. You will guarantee that all community driven technology meets our stringent security and performance guidelines. Group Scaling: Support the ongoing growth of the technical group. This includes leading the recruiting, interviewing, and onboarding of top tier engineering talent to the Edinburgh studio. Milestone Planning: Work with production and engineering leads to set attainable development milestones, ensuring that complex roadmaps are translated into measurable outcomes. Workforce Statistics & Industry Diversity At Rockstar Games, we believe that an inclusive environment is a fundamental driver of creative excellence. We are committed to fostering a workplace that reflects the diverse global community that plays our games. What You Will Bring Technical Requirements System Design: At least 5 years of hands on experience designing and developing low level software systems and architecture. You should be intimately familiar with how game engines interact with hardware. Leadership Tenure: At least 3 years of experience leading engineering teams of 10 or more people. This includes performance management and career development paths. Coding Mastery: Strong proficiency in C++ is non negotiable. Additionally, you must be proficient in at least one scripting language (Python, PERL, Ruby, etc.). Shipping History: You must have shipped at least one console or PC title, with a strong preference for those with experience on Xbox and/or PlayStation architectures. Professional Qualities Strategic Thinker: Demonstrated experience crafting and accomplishing technical roadmaps with a focus on measurable delivery. Communication: Ability to tailor complex technical information for non technical stakeholders (Production, Marketing, Legal) and provide deep dive technical guidance for developers. UGC Interest: A keen interest in the modding and user generated content communities. The "Pluses" Proven experience in Reverse Engineering, particularly for the purpose of interoperability or security auditing. Working at Rockstar Edinburgh Rockstar North is one of the most prestigious game development studios in the world. Located in Scotland's capital, the studio offers a unique blend of historical inspiration and cutting edge technology. In Office Collaboration: We believe the best "low level" problem solving happens in person. Our Edinburgh studio is a hub of high motivation where you will collaborate with the industry's most talented developers. Dignity & Respect: Rockstar is committed to a work environment that promotes equal opportunity. We value the unique perspectives each team member brings to our large scale creative projects.
29/05/2026
Full time
Rockstar Games North is seeking a seasoned and highly technical Lead Programmer to spearhead the evolution of our Creator Platforms, specifically focusing on the continued growth and integration of the FiveM and RedM ecosystems. Based in our state of the art studio in the heart of Edinburgh, Scotland, this leadership role is at the vanguard of the "User Generated Content" (UGC) revolution in gaming. As a Lead Programmer at Rockstar, you will be responsible for the low level architecture that empowers millions of players and creators to build, share, and experience custom game modes on dedicated servers. This position requires a rare blend of deep technical "under the hood" knowledge and sophisticated leadership capabilities. You will manage high performing engineering teams while collaborating with global stakeholders to ensure our creator tools remain the most powerful and secure in the entertainment industry. Job Overview: Lead Programmer Category Details Primary Keyword Lead Programmer Company Name Rockstar Games (Rockstar North) Department Creator Platform Team Job Type Full Time, Permanent Work Model In Office Location Edinburgh, Scotland, United Kingdom Primary Platforms FiveM, RedM Core Technologies C++, Scripting (Python/Lua), Low level Systems Compensation and Regional Benchmarks Rockstar Games provides competitive salary packages that reflect Edinburgh's status as a premier global hub for game development. The following estimate provides a benchmark for a Lead level engineering role in the UK market for 2026. Seniority Level Estimated Annual Salary (£) Typical Benefits Package Lead Programmer £95,000 - £135,000+ Performance Bonus, Private Healthcare Senior Lead / Principal £140,000 - £175,000+ LTI/Equity, Enhanced Pension Note: Final salary offers are highly individualized, taking into account the candidate's specific track record in low level systems, previous leadership of large teams (10+), and history of shipped AAA titles. Rockstar is committed to providing reasonable accommodations for qualified applicants with disabilities throughout the recruitment process. The Mission of the Creator Platform Team The Creator Platform team's mandate is to democratize game development within the Rockstar ecosystem. We build the technology that allows creators to develop their own game modes and modifications using a variety of scripting languages. By joining this team as a Lead Programmer, you are not just building a feature; you are building an engine for community creativity. Core Responsibilities Strategic Architecture: Develop and maintain a comprehensive strategy for the continuous improvement of the FiveM and RedM platforms. You will oversee the low level systems that allow for fully customised dedicated servers and complex modding capabilities. Team Leadership & Mentorship: Oversee multiple engineering teams. You will work closely with appointed engineering leads to align on technical decisions, while mentoring senior and junior developers to elevate the team's collective skill set. SDLC Management: Implement and maintain a rigorous Software Development Lifecycle (SDLC). You must ensure that development processes are efficient, scalable, and aligned with the overarching security standards of Rockstar Games. Integration Strategy: Leverage your deep knowledge of our internal codebase to devise well considered strategies for integrating Creator Platform technology into core Rockstar products. Cross Functional Collaboration: Act as a bridge between the Creator Platform and departments such as Game Engineering, Security, Online Services, and DevOps. You will guarantee that all community driven technology meets our stringent security and performance guidelines. Group Scaling: Support the ongoing growth of the technical group. This includes leading the recruiting, interviewing, and onboarding of top tier engineering talent to the Edinburgh studio. Milestone Planning: Work with production and engineering leads to set attainable development milestones, ensuring that complex roadmaps are translated into measurable outcomes. Workforce Statistics & Industry Diversity At Rockstar Games, we believe that an inclusive environment is a fundamental driver of creative excellence. We are committed to fostering a workplace that reflects the diverse global community that plays our games. What You Will Bring Technical Requirements System Design: At least 5 years of hands on experience designing and developing low level software systems and architecture. You should be intimately familiar with how game engines interact with hardware. Leadership Tenure: At least 3 years of experience leading engineering teams of 10 or more people. This includes performance management and career development paths. Coding Mastery: Strong proficiency in C++ is non negotiable. Additionally, you must be proficient in at least one scripting language (Python, PERL, Ruby, etc.). Shipping History: You must have shipped at least one console or PC title, with a strong preference for those with experience on Xbox and/or PlayStation architectures. Professional Qualities Strategic Thinker: Demonstrated experience crafting and accomplishing technical roadmaps with a focus on measurable delivery. Communication: Ability to tailor complex technical information for non technical stakeholders (Production, Marketing, Legal) and provide deep dive technical guidance for developers. UGC Interest: A keen interest in the modding and user generated content communities. The "Pluses" Proven experience in Reverse Engineering, particularly for the purpose of interoperability or security auditing. Working at Rockstar Edinburgh Rockstar North is one of the most prestigious game development studios in the world. Located in Scotland's capital, the studio offers a unique blend of historical inspiration and cutting edge technology. In Office Collaboration: We believe the best "low level" problem solving happens in person. Our Edinburgh studio is a hub of high motivation where you will collaborate with the industry's most talented developers. Dignity & Respect: Rockstar is committed to a work environment that promotes equal opportunity. We value the unique perspectives each team member brings to our large scale creative projects.
Senior Full-Stack Software Developer, UK
atVenu, Inc. Manchester, Lancashire
Senior Full-Stack Software Developer, UK Reports To: Development Manager, UK Location: Hybrid (2 days in the office) in either: London (1 Mark Square, London EC2A 4EG) or Manchester (1 Ogden Street, Didsbury, Manchester M20 6DN) About the Job: We're looking for a self-motivated, team minded Senior Full-Stack Developer who wants to be part of the live-event space. You'll work on the European side of our enterprise commerce platform for live events - a fancy way of saying a point of sale, inventory management and robust back-end reporting product offering. You'll get the opportunity to collaborate with our product and design teams to build new customer-driven features used at some of the world's most popular touring acts, festivals and sporting events like Coachella, Bottlerock, Superbowl, Pokémon, PGA Championships, etc. If you are a Developer who takes pride in seeing your handi-work out in the wild, used by millions, this is a role worth pursuing. Our Tech Stack: Front End: React Native, React, JavaScript Backend: Ruby, Rails, GraphQL, PostgreSQL, Redis, CouchDb Cloud Platform: AWS Tools: GitHub, Sidekiq What We're Looking For: Seasoned full-stack developer with 8+ years of experience. Strong JavaScript fundamentals, with matching in-depth knowledge of modern React architecture (including hooks, state management, async actions). User-focused mindset; knack for thinking like a fan and a customer, grounded in real-life scenarios System-focused mindset; care about the impact your code has downstream (performance, reliability, scalability). A reasonable level of obsession in wanting to solve problems, with a call-a-friend mentality to seek clarity and focus. Experience with backend services and asynchronous job processing. Experience with native layers on mobile devices. Key Responsibilities: Collaborate with product, design and QA to ensure our products and services meet our customer's needs, are performant and reliable, and minimize unnecessary complexity. Own the technical design for projects. Architect services and systems using accepted design patterns that allow for iterative, autonomous development and future scaling. Anticipate future use cases and make design decisions that minimize the cost of future changes. Be considered the expert trouble-shooter within your domain of expertise: lead investigations within area of specialization while maintaining a strong sense of product impact Actively identify opportunities and risks across products and teams, mentor junior developers, and drive best practices. The usual dev-activities you'd come to expect like: guiding ongoing maintenance, team technical principles, documentation, managing tech debt, code reviews, component / integration testing the list goes on Nice to Have: Swift/Kotlin and Rails experience Familiarity with GraphQL Experience with front-end testing frameworks
29/05/2026
Full time
Senior Full-Stack Software Developer, UK Reports To: Development Manager, UK Location: Hybrid (2 days in the office) in either: London (1 Mark Square, London EC2A 4EG) or Manchester (1 Ogden Street, Didsbury, Manchester M20 6DN) About the Job: We're looking for a self-motivated, team minded Senior Full-Stack Developer who wants to be part of the live-event space. You'll work on the European side of our enterprise commerce platform for live events - a fancy way of saying a point of sale, inventory management and robust back-end reporting product offering. You'll get the opportunity to collaborate with our product and design teams to build new customer-driven features used at some of the world's most popular touring acts, festivals and sporting events like Coachella, Bottlerock, Superbowl, Pokémon, PGA Championships, etc. If you are a Developer who takes pride in seeing your handi-work out in the wild, used by millions, this is a role worth pursuing. Our Tech Stack: Front End: React Native, React, JavaScript Backend: Ruby, Rails, GraphQL, PostgreSQL, Redis, CouchDb Cloud Platform: AWS Tools: GitHub, Sidekiq What We're Looking For: Seasoned full-stack developer with 8+ years of experience. Strong JavaScript fundamentals, with matching in-depth knowledge of modern React architecture (including hooks, state management, async actions). User-focused mindset; knack for thinking like a fan and a customer, grounded in real-life scenarios System-focused mindset; care about the impact your code has downstream (performance, reliability, scalability). A reasonable level of obsession in wanting to solve problems, with a call-a-friend mentality to seek clarity and focus. Experience with backend services and asynchronous job processing. Experience with native layers on mobile devices. Key Responsibilities: Collaborate with product, design and QA to ensure our products and services meet our customer's needs, are performant and reliable, and minimize unnecessary complexity. Own the technical design for projects. Architect services and systems using accepted design patterns that allow for iterative, autonomous development and future scaling. Anticipate future use cases and make design decisions that minimize the cost of future changes. Be considered the expert trouble-shooter within your domain of expertise: lead investigations within area of specialization while maintaining a strong sense of product impact Actively identify opportunities and risks across products and teams, mentor junior developers, and drive best practices. The usual dev-activities you'd come to expect like: guiding ongoing maintenance, team technical principles, documentation, managing tech debt, code reviews, component / integration testing the list goes on Nice to Have: Swift/Kotlin and Rails experience Familiarity with GraphQL Experience with front-end testing frameworks
Zebra People
Tech Lead (Node.JS, Ruby, Kafka)
Zebra People
A Unicorn company that have recently opened up a Platform Foundations division in London are looking for multiple Tech Leads to join their London based teams. The client It's an opportunity to have an immediate and real impact on the future of their product. They have a self-autonomous environment where initiative is rewarded and you're given a huge degree of independence. What's the product? With over 180,000 customers (including Coca Cola, Hulu and Universal) and growing, the product is work operating system that allows any given client to shape workflows, their way. They can boost their team's alignment, productivity and efficiency by customising any workflow. It allows you to centralise all work, processes, tools and files into one operating system. The role The Role They're looking for an engineer who can look beyond the code and see the bigger picture. The Platform Foundation team works across teams and has the responsibility of working with layers of their infrastructure, getting into the nitty gritty with data orientation and data flows. You'll be able to shape the future of their product by creating new features related to these and take responsibility for developing and improving search functionality within the platform. Because of this, there'll be the opportunity for you to write a lot of new code, increase APIs development, and ultimately ensure the platform's software components are versatile enough to effectively tackle various user cases and scenarios. They are rapidly looking to expand the team; so you'll have plenty of input into mentoring and helping to train up more junior members of the team. The candidate What experience do I need? They're looking for an Tech Lead with plenty of skin in the game in leadership positions (though open to highly experienced seniors with leadership experience seeking career advancement) who comes with experience of closing a whole product cycle, with end-to-end ownership from a product based company. Primarily you'll be working on the backend of their stack with Node.JS, Ruby, and Kafka, impacting everything from the development of APIs and the user interface to the database. However, they know that a good developer can pick up a new language quickly, so they're really not fussed on your background as long as you have a strong track record of solving complex technical problems and would be happy working with their stack going forward, then they'd still love to talk. Their software engineering stack looks like this: React, Redux, Ruby, Node, AWS, Linux, Elasticsearch, Cassandra, Kubernetes, Docker, and Kafka. What's in it for you? Based near Tottenham Court Road Station (right by the Meta offices), they're offering a salary of up to £120K. On top of that is a pretty impressive annual bonus of 8-10%, as well as stock options. There are 25 days holiday plus your bank holidays. They are looking for people to come into the office 3 days a week at the moment, though the manager is looking to reduce this over time. The Interview Process First stage is a short intro call with the Internal Recruiter, who'll give you a bit more info on the product and project as well as take any questions you have around them. There'll be some light technical questions but nothing heavy. This is followed by three separate technical interviews; one around the day to day activities they do and another that is more general. The final stage is an opportunity for you to meet people face to face in their Central London office and is a chance for you to get to know your new potential team.
29/05/2026
Full time
A Unicorn company that have recently opened up a Platform Foundations division in London are looking for multiple Tech Leads to join their London based teams. The client It's an opportunity to have an immediate and real impact on the future of their product. They have a self-autonomous environment where initiative is rewarded and you're given a huge degree of independence. What's the product? With over 180,000 customers (including Coca Cola, Hulu and Universal) and growing, the product is work operating system that allows any given client to shape workflows, their way. They can boost their team's alignment, productivity and efficiency by customising any workflow. It allows you to centralise all work, processes, tools and files into one operating system. The role The Role They're looking for an engineer who can look beyond the code and see the bigger picture. The Platform Foundation team works across teams and has the responsibility of working with layers of their infrastructure, getting into the nitty gritty with data orientation and data flows. You'll be able to shape the future of their product by creating new features related to these and take responsibility for developing and improving search functionality within the platform. Because of this, there'll be the opportunity for you to write a lot of new code, increase APIs development, and ultimately ensure the platform's software components are versatile enough to effectively tackle various user cases and scenarios. They are rapidly looking to expand the team; so you'll have plenty of input into mentoring and helping to train up more junior members of the team. The candidate What experience do I need? They're looking for an Tech Lead with plenty of skin in the game in leadership positions (though open to highly experienced seniors with leadership experience seeking career advancement) who comes with experience of closing a whole product cycle, with end-to-end ownership from a product based company. Primarily you'll be working on the backend of their stack with Node.JS, Ruby, and Kafka, impacting everything from the development of APIs and the user interface to the database. However, they know that a good developer can pick up a new language quickly, so they're really not fussed on your background as long as you have a strong track record of solving complex technical problems and would be happy working with their stack going forward, then they'd still love to talk. Their software engineering stack looks like this: React, Redux, Ruby, Node, AWS, Linux, Elasticsearch, Cassandra, Kubernetes, Docker, and Kafka. What's in it for you? Based near Tottenham Court Road Station (right by the Meta offices), they're offering a salary of up to £120K. On top of that is a pretty impressive annual bonus of 8-10%, as well as stock options. There are 25 days holiday plus your bank holidays. They are looking for people to come into the office 3 days a week at the moment, though the manager is looking to reduce this over time. The Interview Process First stage is a short intro call with the Internal Recruiter, who'll give you a bit more info on the product and project as well as take any questions you have around them. There'll be some light technical questions but nothing heavy. This is followed by three separate technical interviews; one around the day to day activities they do and another that is more general. The final stage is an opportunity for you to meet people face to face in their Central London office and is a chance for you to get to know your new potential team.
Senior Full-Stack Developer - Live-Event Platform (Hybrid UK)
atVenu
Senior Full-Stack Software Developer, UK Reports To: Development Manager, UK Location: Hybrid (2 days in the office) in either: London (1 Mark Square, London EC2A 4EG) or Manchester (1 Ogden Street, Didsbury, Manchester M20 6DN) About the Job: We're looking for a self-motivated, team minded Senior Full-Stack Developer who wants to be part of the live-event space. You'll work on the European side of our enterprise commerce platform for live events - a fancy way of saying a point of sale, inventory management and robust back-end reporting product offering. You'll get the opportunity to collaborate with our product and design teams to build new customer-driven features used at some of the world's most popular touring acts, festivals and sporting events like Coachella, Bottlerock, Superbowl, Pokémon, PGA Championships, etc. If you are a Developer who takes pride in seeing your handi-work out in the wild, used by millions, this is a role worth pursuing. Our Tech Stack: Front End: React Native, React, JavaScript Backend: Ruby, Rails, GraphQL, PostgreSQL, Redis, CouchDb Cloud Platform: AWS Tools: GitHub, Sidekiq What We're Looking For: Seasoned full-stack developer with 8+ years of experience. Strong JavaScript fundamentals, with matching in-depth knowledge of modern React architecture (including hooks, state management, async actions). User-focused mindset; knack for thinking like a fan and a customer, grounded in real-life scenarios System-focused mindset; care about the impact your code has downstream (performance, reliability, scalability). A reasonable level of obsession in wanting to solve problems, with a call-a-friend mentality to seek clarity and focus. Experience with backend services and asynchronous job processing. Experience with native layers on mobile devices. Key Responsibilities: Collaborate with product, design and QA to ensure our products and services meet our customer's needs, are performant and reliable, and minimize unnecessary complexity. Own the technical design for projects. Architect services and systems using accepted design patterns that allow for iterative, autonomous development and future scaling. Anticipate future use cases and make design decisions that minimize the cost of future changes. Be considered the expert trouble-shooter within your domain of expertise: lead investigations within area of specialization while maintaining a strong sense of product impact Actively identify opportunities and risks across products and teams, mentor junior developers, and drive best practices. The usual dev-activities you'd come to expect like: guiding ongoing maintenance, team technical principles, documentation, managing tech debt, code reviews, component / integration testing the list goes on Nice to Have: Swift/Kotlin and Rails experience Familiarity with GraphQL Experience with front-end testing frameworks
29/05/2026
Full time
Senior Full-Stack Software Developer, UK Reports To: Development Manager, UK Location: Hybrid (2 days in the office) in either: London (1 Mark Square, London EC2A 4EG) or Manchester (1 Ogden Street, Didsbury, Manchester M20 6DN) About the Job: We're looking for a self-motivated, team minded Senior Full-Stack Developer who wants to be part of the live-event space. You'll work on the European side of our enterprise commerce platform for live events - a fancy way of saying a point of sale, inventory management and robust back-end reporting product offering. You'll get the opportunity to collaborate with our product and design teams to build new customer-driven features used at some of the world's most popular touring acts, festivals and sporting events like Coachella, Bottlerock, Superbowl, Pokémon, PGA Championships, etc. If you are a Developer who takes pride in seeing your handi-work out in the wild, used by millions, this is a role worth pursuing. Our Tech Stack: Front End: React Native, React, JavaScript Backend: Ruby, Rails, GraphQL, PostgreSQL, Redis, CouchDb Cloud Platform: AWS Tools: GitHub, Sidekiq What We're Looking For: Seasoned full-stack developer with 8+ years of experience. Strong JavaScript fundamentals, with matching in-depth knowledge of modern React architecture (including hooks, state management, async actions). User-focused mindset; knack for thinking like a fan and a customer, grounded in real-life scenarios System-focused mindset; care about the impact your code has downstream (performance, reliability, scalability). A reasonable level of obsession in wanting to solve problems, with a call-a-friend mentality to seek clarity and focus. Experience with backend services and asynchronous job processing. Experience with native layers on mobile devices. Key Responsibilities: Collaborate with product, design and QA to ensure our products and services meet our customer's needs, are performant and reliable, and minimize unnecessary complexity. Own the technical design for projects. Architect services and systems using accepted design patterns that allow for iterative, autonomous development and future scaling. Anticipate future use cases and make design decisions that minimize the cost of future changes. Be considered the expert trouble-shooter within your domain of expertise: lead investigations within area of specialization while maintaining a strong sense of product impact Actively identify opportunities and risks across products and teams, mentor junior developers, and drive best practices. The usual dev-activities you'd come to expect like: guiding ongoing maintenance, team technical principles, documentation, managing tech debt, code reviews, component / integration testing the list goes on Nice to Have: Swift/Kotlin and Rails experience Familiarity with GraphQL Experience with front-end testing frameworks
Back-end Developer
Business dOr LLC.
Job brief We are looking for an experienced Back-end developer to join our IT team. You will be responsible for the server side of our web applications. We want to meet you if you are an expert programmer with a drive to create new applications or enhance those that already exist. You will collaborate directly with our developers as a back-end developer to maintain system consistency and enhance user experience of our site. In the end, you should be able to create and manage reliable web applications to satisfy the requirements of our business. Responsibilities Take part in all phases of the application lifecycle with a focus on coding and debugging. Create pristine code to create useful web applications. Debug and troubleshoot programmes Test the user interface to improve performance Utilize innovative techniques to enhance older apps Integrate user-facing aspects with server side logic by working with front-end developers. Compile and deal with the technical and design requirements Provide internal teams with training and assistance Create reusable programmes and libraries now for later usage. To find new features, communicate with developers, designers, and system administrators. Observe new technologies Requirements and skills Proven work experience as a Back-end developer Comprehensive knowledge of the web development procedure (design, development and deployment) Practical knowledge of programming languages include Python, PHP, Ruby, and Java Working familiarity with the cms framework Knowledge of front-end programming languages (e.G. Html, javascript and css) Outstanding analytical and time management abilities Teamwork abilities and a willingness to solve problems BSc degree in Computer Science or relevant
29/05/2026
Full time
Job brief We are looking for an experienced Back-end developer to join our IT team. You will be responsible for the server side of our web applications. We want to meet you if you are an expert programmer with a drive to create new applications or enhance those that already exist. You will collaborate directly with our developers as a back-end developer to maintain system consistency and enhance user experience of our site. In the end, you should be able to create and manage reliable web applications to satisfy the requirements of our business. Responsibilities Take part in all phases of the application lifecycle with a focus on coding and debugging. Create pristine code to create useful web applications. Debug and troubleshoot programmes Test the user interface to improve performance Utilize innovative techniques to enhance older apps Integrate user-facing aspects with server side logic by working with front-end developers. Compile and deal with the technical and design requirements Provide internal teams with training and assistance Create reusable programmes and libraries now for later usage. To find new features, communicate with developers, designers, and system administrators. Observe new technologies Requirements and skills Proven work experience as a Back-end developer Comprehensive knowledge of the web development procedure (design, development and deployment) Practical knowledge of programming languages include Python, PHP, Ruby, and Java Working familiarity with the cms framework Knowledge of front-end programming languages (e.G. Html, javascript and css) Outstanding analytical and time management abilities Teamwork abilities and a willingness to solve problems BSc degree in Computer Science or relevant
Ruby Developer - 11497AW-7
Proactive.IT Appointments Limited Bristol, Gloucestershire
11497AW-7 £70k - 80k per year Ruby on Rails Developer Hybrid work 2/3 days onsite per month We are seeking an experienced Ruby on Rails Developer to join our clients growing engineering team. This is an exciting opportunity for a passionate developer who thrives in dynamic environments and enjoys solving complex technical challenges. You will play a key role in designing, building, and maintaining high performing, scalable applications that directly impact our customers and business operations. In this role, you'll work closely with cross functional teams to develop new features, enhance existing systems, and ensure our platform remains stable and efficient. Your deep understanding of Rails architecture, PostgreSQL optimisation, and API design will be essential as you contribute to ongoing development projects. If you enjoy collaborating in Agile/Scrum environments, value clean code, and are eager to work with modern tooling, cloud services, and containerised deployments, we'd love to hear from you. Key Skills 4+ years' experience with Ruby on Rails Strong understanding of OOP & Rails architecture Extensive experience with PostgreSQL (performance tuning, complex queries) Background job processing with Sidekiq & Redis Expertise in RESTful APIs , JSON, JWT, SSO Experience with AWS & Docker Production system support & troubleshooting Strong communication skills & Agile/Scrum experience Ruby on Rails Developer Due to the volume of applications received for positions, it will not be possible to respond to all applications and only applicants who are considered suitable for interview will be contacted. Proactive Appointments Limited operates as an employment agency and employment business and is an equal opportunities organisation We take our obligations to protect your personal data very seriously. Any information provided to us will be processed as detailed in our Privacy Notice, a copy of which can be found on our website
29/05/2026
Full time
11497AW-7 £70k - 80k per year Ruby on Rails Developer Hybrid work 2/3 days onsite per month We are seeking an experienced Ruby on Rails Developer to join our clients growing engineering team. This is an exciting opportunity for a passionate developer who thrives in dynamic environments and enjoys solving complex technical challenges. You will play a key role in designing, building, and maintaining high performing, scalable applications that directly impact our customers and business operations. In this role, you'll work closely with cross functional teams to develop new features, enhance existing systems, and ensure our platform remains stable and efficient. Your deep understanding of Rails architecture, PostgreSQL optimisation, and API design will be essential as you contribute to ongoing development projects. If you enjoy collaborating in Agile/Scrum environments, value clean code, and are eager to work with modern tooling, cloud services, and containerised deployments, we'd love to hear from you. Key Skills 4+ years' experience with Ruby on Rails Strong understanding of OOP & Rails architecture Extensive experience with PostgreSQL (performance tuning, complex queries) Background job processing with Sidekiq & Redis Expertise in RESTful APIs , JSON, JWT, SSO Experience with AWS & Docker Production system support & troubleshooting Strong communication skills & Agile/Scrum experience Ruby on Rails Developer Due to the volume of applications received for positions, it will not be possible to respond to all applications and only applicants who are considered suitable for interview will be contacted. Proactive Appointments Limited operates as an employment agency and employment business and is an equal opportunities organisation We take our obligations to protect your personal data very seriously. Any information provided to us will be processed as detailed in our Privacy Notice, a copy of which can be found on our website
Senior Full-Stack Software Developer, UK
atVenu, Inc.
Senior Full-Stack Software Developer, UK Reports To: Development Manager, UK Location: Hybrid (2 days in the office) in either: London (1 Mark Square, London EC2A 4EG) or Manchester (1 Ogden Street, Didsbury, Manchester M20 6DN) About the Job: We're looking for a self-motivated, team minded Senior Full-Stack Developer who wants to be part of the live-event space. You'll work on the European side of our enterprise commerce platform for live events - a fancy way of saying a point of sale, inventory management and robust back-end reporting product offering. You'll get the opportunity to collaborate with our product and design teams to build new customer-driven features used at some of the world's most popular touring acts, festivals and sporting events like Coachella, Bottlerock, Superbowl, Pokémon, PGA Championships, etc. If you are a Developer who takes pride in seeing your handi-work out in the wild, used by millions, this is a role worth pursuing. Our Tech Stack: Front End: React Native, React, JavaScript Backend: Ruby, Rails, GraphQL, PostgreSQL, Redis, CouchDb Cloud Platform: AWS Tools: GitHub, Sidekiq What We're Looking For: Seasoned full-stack developer with 8+ years of experience. Strong JavaScript fundamentals, with matching in-depth knowledge of modern React architecture (including hooks, state management, async actions). User-focused mindset; knack for thinking like a fan and a customer, grounded in real-life scenarios System-focused mindset; care about the impact your code has downstream (performance, reliability, scalability). A reasonable level of obsession in wanting to solve problems, with a call-a-friend mentality to seek clarity and focus. Experience with backend services and asynchronous job processing. Experience with native layers on mobile devices. Key Responsibilities: Collaborate with product, design and QA to ensure our products and services meet our customer's needs, are performant and reliable, and minimize unnecessary complexity. Own the technical design for projects. Architect services and systems using accepted design patterns that allow for iterative, autonomous development and future scaling. Anticipate future use cases and make design decisions that minimize the cost of future changes. Be considered the expert trouble-shooter within your domain of expertise: lead investigations within area of specialization while maintaining a strong sense of product impact Actively identify opportunities and risks across products and teams, mentor junior developers, and drive best practices. The usual dev-activities you'd come to expect like: guiding ongoing maintenance, team technical principles, documentation, managing tech debt, code reviews, component / integration testing the list goes on Nice to Have: Swift/Kotlin and Rails experience Familiarity with GraphQL Experience with front-end testing frameworks
29/05/2026
Full time
Senior Full-Stack Software Developer, UK Reports To: Development Manager, UK Location: Hybrid (2 days in the office) in either: London (1 Mark Square, London EC2A 4EG) or Manchester (1 Ogden Street, Didsbury, Manchester M20 6DN) About the Job: We're looking for a self-motivated, team minded Senior Full-Stack Developer who wants to be part of the live-event space. You'll work on the European side of our enterprise commerce platform for live events - a fancy way of saying a point of sale, inventory management and robust back-end reporting product offering. You'll get the opportunity to collaborate with our product and design teams to build new customer-driven features used at some of the world's most popular touring acts, festivals and sporting events like Coachella, Bottlerock, Superbowl, Pokémon, PGA Championships, etc. If you are a Developer who takes pride in seeing your handi-work out in the wild, used by millions, this is a role worth pursuing. Our Tech Stack: Front End: React Native, React, JavaScript Backend: Ruby, Rails, GraphQL, PostgreSQL, Redis, CouchDb Cloud Platform: AWS Tools: GitHub, Sidekiq What We're Looking For: Seasoned full-stack developer with 8+ years of experience. Strong JavaScript fundamentals, with matching in-depth knowledge of modern React architecture (including hooks, state management, async actions). User-focused mindset; knack for thinking like a fan and a customer, grounded in real-life scenarios System-focused mindset; care about the impact your code has downstream (performance, reliability, scalability). A reasonable level of obsession in wanting to solve problems, with a call-a-friend mentality to seek clarity and focus. Experience with backend services and asynchronous job processing. Experience with native layers on mobile devices. Key Responsibilities: Collaborate with product, design and QA to ensure our products and services meet our customer's needs, are performant and reliable, and minimize unnecessary complexity. Own the technical design for projects. Architect services and systems using accepted design patterns that allow for iterative, autonomous development and future scaling. Anticipate future use cases and make design decisions that minimize the cost of future changes. Be considered the expert trouble-shooter within your domain of expertise: lead investigations within area of specialization while maintaining a strong sense of product impact Actively identify opportunities and risks across products and teams, mentor junior developers, and drive best practices. The usual dev-activities you'd come to expect like: guiding ongoing maintenance, team technical principles, documentation, managing tech debt, code reviews, component / integration testing the list goes on Nice to Have: Swift/Kotlin and Rails experience Familiarity with GraphQL Experience with front-end testing frameworks
Zebra People
Senior Backend Engineer (Foundations)
Zebra People
A Unicorn company that have recently opened up a Platform Foundations division in London is looking for multiple senior backend engineers to join their London-based team. The client It's an opportunity to have an immediate and real impact on the future of their product. They have a self-autonomous environment where initiative is rewarded and you're given a huge degree of independence. What's the product? With over 180,000 customers (including Coca Cola, Hulu and Universal) and growing, the product is a work operating system that allows any given client to shape workflows, their way. They can boost their team's alignment, productivity and efficiency by customising any workflow. It allows you to centralise all work, processes, tools and files into one operating system. The role The Role They're looking for an engineer who can look beyond the code and see the bigger picture. The Platform Foundation team works across teams and has the responsibility of working with layers of their infrastructure, getting into the nitty gritty with data orientation and data flows. You'll be able to shape the future of their product by creating new features related to these and take responsibility for developing and improving search functionality within the platform. Because of this, there'll be the opportunity for you to write a lot of new code, increase APIs development, and ultimately ensure the platform's software components are versatile enough to effectively tackle various user cases and scenarios. What experience do I need? You'd have experience of closing a whole product cycle, with end-to-end ownership from a product based company. Primarily you'll be working on the backend of their stack with Node.JS, Ruby, and Kafka, impacting everything from the development of APIs and the user interface to the database. However, they know that a good developer can pick up a new language quickly, so they're really not fussed on your background as long as you have a strong track record of solving complex technical problems and would be happy working with their stack going forward, then they'd still love to talk. Their software engineering stack looks like this: React, Redux, Ruby, Node, AWS, Linux, Elasticsearch, Cassandra, Kubernetes, Docker, and Kafka. The candidate What's in it for you? Based near Tottenham Court Road Station (right by the Meta offices), they're offering a salary of up to £115K. On top of that is a pretty impressive annual bonus of 8-10%, as well as stock options. There are 25 days holiday plus your bank holidays. They are looking for people to come into the office 3 days a week at the moment, though the manager is looking to reduce this over time. The Interview Process First stage is a short intro call with the Internal Recruiter, who'll give you a bit more info on the product and project as well as take any questions you have around them. There'll be some light technical questions but nothing heavy. This is followed by three separate technical interviews; one around the day to day activities they do and another that is more general. The final stage is an opportunity for you to meet people face to face in their Central London office and is a chance for you to get to know your new potential team.
29/05/2026
Full time
A Unicorn company that have recently opened up a Platform Foundations division in London is looking for multiple senior backend engineers to join their London-based team. The client It's an opportunity to have an immediate and real impact on the future of their product. They have a self-autonomous environment where initiative is rewarded and you're given a huge degree of independence. What's the product? With over 180,000 customers (including Coca Cola, Hulu and Universal) and growing, the product is a work operating system that allows any given client to shape workflows, their way. They can boost their team's alignment, productivity and efficiency by customising any workflow. It allows you to centralise all work, processes, tools and files into one operating system. The role The Role They're looking for an engineer who can look beyond the code and see the bigger picture. The Platform Foundation team works across teams and has the responsibility of working with layers of their infrastructure, getting into the nitty gritty with data orientation and data flows. You'll be able to shape the future of their product by creating new features related to these and take responsibility for developing and improving search functionality within the platform. Because of this, there'll be the opportunity for you to write a lot of new code, increase APIs development, and ultimately ensure the platform's software components are versatile enough to effectively tackle various user cases and scenarios. What experience do I need? You'd have experience of closing a whole product cycle, with end-to-end ownership from a product based company. Primarily you'll be working on the backend of their stack with Node.JS, Ruby, and Kafka, impacting everything from the development of APIs and the user interface to the database. However, they know that a good developer can pick up a new language quickly, so they're really not fussed on your background as long as you have a strong track record of solving complex technical problems and would be happy working with their stack going forward, then they'd still love to talk. Their software engineering stack looks like this: React, Redux, Ruby, Node, AWS, Linux, Elasticsearch, Cassandra, Kubernetes, Docker, and Kafka. The candidate What's in it for you? Based near Tottenham Court Road Station (right by the Meta offices), they're offering a salary of up to £115K. On top of that is a pretty impressive annual bonus of 8-10%, as well as stock options. There are 25 days holiday plus your bank holidays. They are looking for people to come into the office 3 days a week at the moment, though the manager is looking to reduce this over time. The Interview Process First stage is a short intro call with the Internal Recruiter, who'll give you a bit more info on the product and project as well as take any questions you have around them. There'll be some light technical questions but nothing heavy. This is followed by three separate technical interviews; one around the day to day activities they do and another that is more general. The final stage is an opportunity for you to meet people face to face in their Central London office and is a chance for you to get to know your new potential team.
Zebra People
Senior Full Stack Engineer (React, Redux, Node.JS, Ruby)
Zebra People
A Unicorn company that have recently opened up a Enterprise division in London are looking for multiple full stack engineers to join their London based team. The client It's an opportunity to have an immediate and real impact on the future of their product. They have a self-autonomous environment where initiative is rewarded and you're given a huge degree of independence. What's the product? With over 180,000 customers (including Coca Cola, Hulu and Universal) and growing, the product is work operating system that allows any given client to shape workflows, their way. They can boost their team's alignment, productivity and efficiency by customising any workflow. It allows you to centralise all work, processes, tools and files into one operating system. The role The Role As mentioned, you'll joining their London Enterprise team (they already have one in Tel-Aviv). This team will have the core focus of specifically catering to the needs of larger businesses or enterprises. They're looking for an engineer who can look beyond the code and see the bigger picture. The enterprise team works across teams and has three sub sections in which you could be responsible of; Security-related features/Integrity and Data Protection User access/Permissions management Customer Accounts/Management tools As such, they want someone who's happy to really plug themselves into both user and business needs. Because of this there'll be the opportunity for you to write a lot of new code, increase product features and help them penetrate this new domain. The candidate What experience do I need? They're looking for an engineer who comes with experience of closing a whole product cycle, with end-to-end ownership from a product based company. Primarily you'll be working with JavaScript (Node, React, Redux) and Ruby, (with an equal split 50/50). However, they know that a good developer can pick up a new language quickly, so they're really not fussed on your background. Their software engineering stack looks like this: React, Redux, Node, Ruby, AWS, Linux, Elasticsearch, Cassandra, Kubernetes, Docker, Kafka. What's in it for you? Based near Tottenham Court Road Station (right by the Meta offices), they're offering a salary of up to £115K. On top of that is a pretty impressive annual bonus of 8-10%, as well as stock options. There are 25 days holiday plus your bank holidays. They are looking for people to come into the office 3 days a week at the moment, though the manager is looking to reduce this over time. The Interview Process First stage is a short intro call with the Internal Recruiter, who'll give you a bit more info on the product and project as well as take any questions you have around them. There'll be some light technical questions but nothing heavy. This is followed by three separate technical interviews; one around the day to day activities they do and another that is more general. The final stage is an opportunity for you to meet people face to face in their Central London office and is a chance for you to get to know your new potential team.
29/05/2026
Full time
A Unicorn company that have recently opened up a Enterprise division in London are looking for multiple full stack engineers to join their London based team. The client It's an opportunity to have an immediate and real impact on the future of their product. They have a self-autonomous environment where initiative is rewarded and you're given a huge degree of independence. What's the product? With over 180,000 customers (including Coca Cola, Hulu and Universal) and growing, the product is work operating system that allows any given client to shape workflows, their way. They can boost their team's alignment, productivity and efficiency by customising any workflow. It allows you to centralise all work, processes, tools and files into one operating system. The role The Role As mentioned, you'll joining their London Enterprise team (they already have one in Tel-Aviv). This team will have the core focus of specifically catering to the needs of larger businesses or enterprises. They're looking for an engineer who can look beyond the code and see the bigger picture. The enterprise team works across teams and has three sub sections in which you could be responsible of; Security-related features/Integrity and Data Protection User access/Permissions management Customer Accounts/Management tools As such, they want someone who's happy to really plug themselves into both user and business needs. Because of this there'll be the opportunity for you to write a lot of new code, increase product features and help them penetrate this new domain. The candidate What experience do I need? They're looking for an engineer who comes with experience of closing a whole product cycle, with end-to-end ownership from a product based company. Primarily you'll be working with JavaScript (Node, React, Redux) and Ruby, (with an equal split 50/50). However, they know that a good developer can pick up a new language quickly, so they're really not fussed on your background. Their software engineering stack looks like this: React, Redux, Node, Ruby, AWS, Linux, Elasticsearch, Cassandra, Kubernetes, Docker, Kafka. What's in it for you? Based near Tottenham Court Road Station (right by the Meta offices), they're offering a salary of up to £115K. On top of that is a pretty impressive annual bonus of 8-10%, as well as stock options. There are 25 days holiday plus your bank holidays. They are looking for people to come into the office 3 days a week at the moment, though the manager is looking to reduce this over time. The Interview Process First stage is a short intro call with the Internal Recruiter, who'll give you a bit more info on the product and project as well as take any questions you have around them. There'll be some light technical questions but nothing heavy. This is followed by three separate technical interviews; one around the day to day activities they do and another that is more general. The final stage is an opportunity for you to meet people face to face in their Central London office and is a chance for you to get to know your new potential team.
Mid-Level Ruby on Rails Engineer - Build Scalable Systems
Hnry
We're really lucky to have an Engineering team spread across three jurisdictions working on the Hnry product. While that gives us the opportunity to hire great people globally, we're always keen to hear from those interested in joining our founding team in London. We're really proud of the team we've built so far, and while we're not actively hiring into the team right now, we're always keen to connect with great engineers who are interested in what we're doing - even if that conversation is for a little further down the track. As part of the team, you'd play a key role in building a polished experience for our customers, while helping evolve the systems that power the business behind the scenes. You'll work collaboratively across Product, Customer Operations, and Engineering to bring new features to life - from early concept through to release. If this sounds like something you'd be keen to be part of (now or in the future), we'd love to hear from you. Responsibilities Engaging with customers and all members of the business to actively identify problems and propose solutions Following best practices in building robust and reliable software and encouraging the same among colleagues Take responsibility for delivering functionality from concept through to production release and post-release maintenance Produce work that meets the expected level of test coverage and improve test coverage across the existing codebase Provide detailed code reviews to colleagues, sharing your knowledge and ensuring that standards are maintained Help design the architecture of new features and present this back to the team for feedback Collaborate with and support other members of the wider Hnry team Act as a mentor and provide support to Junior developers on the team Qualifications Have at least two years experience working as a developer Have excellent communication and collaboration skills - we work together and succeed as a team Be able to take complex problems, break them down, and build robust solutions Actively monitor systems, identify problems and propose solutions Approach problems with a curious mindset and empathy for the end user, always considering the impact of changes Have experience with automated testing Enjoy discussions about software/product design and crafting solutions Have full working rights in New Zealand Bonus points Experience building large scale systems Experience being self-employed (freelancing, contracting etc) in any industry/profession Experience using Ruby on Rails How we work We follow agile practices, delivering improvements iteratively in small chunks. We track the impact of our work and measure ourselves on results, not the amount of code written. We're growing fast, and are focused on building a well designed, scalable & robust platform. In some areas of the work (e.g. payment processing) there is very little margin for error. Our technology platform is built in Ruby on Rails, and we also use a bunch of AWS services (via Terraform), Postgres, Docker, and a little bit of React. We have automated tests, continuous deployment, and release to production multiple times per day. We review each others code, and set aside time for hacking on experimental features, refactoring and/or learning new things. We work hard and finish on time, no crazy hours. Salary banding: £55,000 - £62,750 per annum At Hnry, we operate a policy of pay parity across our organisation to ensure that all Hnry staff are fairly and equally compensated based on their contributions and experience. The salary for this role will be determined based on the applicant's experience.
28/05/2026
Full time
We're really lucky to have an Engineering team spread across three jurisdictions working on the Hnry product. While that gives us the opportunity to hire great people globally, we're always keen to hear from those interested in joining our founding team in London. We're really proud of the team we've built so far, and while we're not actively hiring into the team right now, we're always keen to connect with great engineers who are interested in what we're doing - even if that conversation is for a little further down the track. As part of the team, you'd play a key role in building a polished experience for our customers, while helping evolve the systems that power the business behind the scenes. You'll work collaboratively across Product, Customer Operations, and Engineering to bring new features to life - from early concept through to release. If this sounds like something you'd be keen to be part of (now or in the future), we'd love to hear from you. Responsibilities Engaging with customers and all members of the business to actively identify problems and propose solutions Following best practices in building robust and reliable software and encouraging the same among colleagues Take responsibility for delivering functionality from concept through to production release and post-release maintenance Produce work that meets the expected level of test coverage and improve test coverage across the existing codebase Provide detailed code reviews to colleagues, sharing your knowledge and ensuring that standards are maintained Help design the architecture of new features and present this back to the team for feedback Collaborate with and support other members of the wider Hnry team Act as a mentor and provide support to Junior developers on the team Qualifications Have at least two years experience working as a developer Have excellent communication and collaboration skills - we work together and succeed as a team Be able to take complex problems, break them down, and build robust solutions Actively monitor systems, identify problems and propose solutions Approach problems with a curious mindset and empathy for the end user, always considering the impact of changes Have experience with automated testing Enjoy discussions about software/product design and crafting solutions Have full working rights in New Zealand Bonus points Experience building large scale systems Experience being self-employed (freelancing, contracting etc) in any industry/profession Experience using Ruby on Rails How we work We follow agile practices, delivering improvements iteratively in small chunks. We track the impact of our work and measure ourselves on results, not the amount of code written. We're growing fast, and are focused on building a well designed, scalable & robust platform. In some areas of the work (e.g. payment processing) there is very little margin for error. Our technology platform is built in Ruby on Rails, and we also use a bunch of AWS services (via Terraform), Postgres, Docker, and a little bit of React. We have automated tests, continuous deployment, and release to production multiple times per day. We review each others code, and set aside time for hacking on experimental features, refactoring and/or learning new things. We work hard and finish on time, no crazy hours. Salary banding: £55,000 - £62,750 per annum At Hnry, we operate a policy of pay parity across our organisation to ensure that all Hnry staff are fairly and equally compensated based on their contributions and experience. The salary for this role will be determined based on the applicant's experience.
Senior Full-Stack Software Developer, UK
atVenu
Senior Full-Stack Software Developer, UK Reports To: Development Manager, UK Location: Hybrid (2 days in the office) in either: London (1 Mark Square, London EC2A 4EG) or Manchester (1 Ogden Street, Didsbury, Manchester M20 6DN) About the Job: We're looking for a self-motivated, team minded Senior Full-Stack Developer who wants to be part of the live-event space. You'll work on the European side of our enterprise commerce platform for live events - a fancy way of saying a point of sale, inventory management and robust back-end reporting product offering. You'll get the opportunity to collaborate with our product and design teams to build new customer-driven features used at some of the world's most popular touring acts, festivals and sporting events like Coachella, Bottlerock, Superbowl, Pokémon, PGA Championships, etc. If you are a Developer who takes pride in seeing your handi-work out in the wild, used by millions, this is a role worth pursuing. Our Tech Stack: Front End: React Native, React, JavaScript Backend: Ruby, Rails, GraphQL, PostgreSQL, Redis, CouchDb Cloud Platform: AWS Tools: GitHub, Sidekiq What We're Looking For: Seasoned full-stack developer with 8+ years of experience. Strong JavaScript fundamentals, with matching in-depth knowledge of modern React architecture (including hooks, state management, async actions). User-focused mindset; knack for thinking like a fan and a customer, grounded in real-life scenarios System-focused mindset; care about the impact your code has downstream (performance, reliability, scalability). A reasonable level of obsession in wanting to solve problems, with a call-a-friend mentality to seek clarity and focus. Experience with backend services and asynchronous job processing. Experience with native layers on mobile devices. Key Responsibilities: Collaborate with product, design and QA to ensure our products and services meet our customer's needs, are performant and reliable, and minimize unnecessary complexity. Own the technical design for projects. Architect services and systems using accepted design patterns that allow for iterative, autonomous development and future scaling. Anticipate future use cases and make design decisions that minimize the cost of future changes. Be considered the expert trouble-shooter within your domain of expertise: lead investigations within area of specialization while maintaining a strong sense of product impact Actively identify opportunities and risks across products and teams, mentor junior developers, and drive best practices. The usual dev-activities you'd come to expect like: guiding ongoing maintenance, team technical principles, documentation, managing tech debt, code reviews, component / integration testing the list goes on Nice to Have: Swift/Kotlin and Rails experience Familiarity with GraphQL Experience with front-end testing frameworks
28/05/2026
Full time
Senior Full-Stack Software Developer, UK Reports To: Development Manager, UK Location: Hybrid (2 days in the office) in either: London (1 Mark Square, London EC2A 4EG) or Manchester (1 Ogden Street, Didsbury, Manchester M20 6DN) About the Job: We're looking for a self-motivated, team minded Senior Full-Stack Developer who wants to be part of the live-event space. You'll work on the European side of our enterprise commerce platform for live events - a fancy way of saying a point of sale, inventory management and robust back-end reporting product offering. You'll get the opportunity to collaborate with our product and design teams to build new customer-driven features used at some of the world's most popular touring acts, festivals and sporting events like Coachella, Bottlerock, Superbowl, Pokémon, PGA Championships, etc. If you are a Developer who takes pride in seeing your handi-work out in the wild, used by millions, this is a role worth pursuing. Our Tech Stack: Front End: React Native, React, JavaScript Backend: Ruby, Rails, GraphQL, PostgreSQL, Redis, CouchDb Cloud Platform: AWS Tools: GitHub, Sidekiq What We're Looking For: Seasoned full-stack developer with 8+ years of experience. Strong JavaScript fundamentals, with matching in-depth knowledge of modern React architecture (including hooks, state management, async actions). User-focused mindset; knack for thinking like a fan and a customer, grounded in real-life scenarios System-focused mindset; care about the impact your code has downstream (performance, reliability, scalability). A reasonable level of obsession in wanting to solve problems, with a call-a-friend mentality to seek clarity and focus. Experience with backend services and asynchronous job processing. Experience with native layers on mobile devices. Key Responsibilities: Collaborate with product, design and QA to ensure our products and services meet our customer's needs, are performant and reliable, and minimize unnecessary complexity. Own the technical design for projects. Architect services and systems using accepted design patterns that allow for iterative, autonomous development and future scaling. Anticipate future use cases and make design decisions that minimize the cost of future changes. Be considered the expert trouble-shooter within your domain of expertise: lead investigations within area of specialization while maintaining a strong sense of product impact Actively identify opportunities and risks across products and teams, mentor junior developers, and drive best practices. The usual dev-activities you'd come to expect like: guiding ongoing maintenance, team technical principles, documentation, managing tech debt, code reviews, component / integration testing the list goes on Nice to Have: Swift/Kotlin and Rails experience Familiarity with GraphQL Experience with front-end testing frameworks

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