Python Developer / Backend Software Engineer (Python R&D) Cambridge onsite to £55k Would you like to work on Greenfield projects at the cutting edge of medical technology? You could be joining a well funded start-up, collaborating with scientists and other engineers to develop sensing and imaging terahertz solutions. As a Python Developer you'll work on complex problems including image processing, machine learning, numerical simulation, user interfaces, databases, networking and interfacing with hardware. You'll be using a Python based tech stack but with constantly evolving technology that you'll be able to influence. Location: You'll join a talented team based just north of Cambridge (with parking available), on a fulltime basis (with some flexibility). About you: You have strong backend software engineering experience with Python, including Python libraries such as PyTorch, NumPy You have experience working with asynchronous, parallel or distributed systems You have a good knowledge of at least one relational database e.g. SQL Server, Oracle You have a good understanding of TDD, CI/CD practices and modern software engineering best practices You have experience with embedded software and / or IoT You are comfortable in an R&D environment You have an interest and understanding of Machine Learning and AI You are degree educated in a relevant STEM discipline You're collaborative, comfortable with Pair Programming and mentoring more junior engineers Ideally you will also have experience with some of the following: Anaconda, Mamba, Poetry, C++, JavaScript, Haskell, OCaml, Rust What's in it for you: As a Python Developer you will receive a competitive package: Salary to £55k Bonus Healthcare Pension Continual learning and self development Complex interesting work at the cutting edge of technology Apply now to find out more about this Python Developer / Backend Software Engineer (Python R&D TDD) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.
01/04/2026
Full time
Python Developer / Backend Software Engineer (Python R&D) Cambridge onsite to £55k Would you like to work on Greenfield projects at the cutting edge of medical technology? You could be joining a well funded start-up, collaborating with scientists and other engineers to develop sensing and imaging terahertz solutions. As a Python Developer you'll work on complex problems including image processing, machine learning, numerical simulation, user interfaces, databases, networking and interfacing with hardware. You'll be using a Python based tech stack but with constantly evolving technology that you'll be able to influence. Location: You'll join a talented team based just north of Cambridge (with parking available), on a fulltime basis (with some flexibility). About you: You have strong backend software engineering experience with Python, including Python libraries such as PyTorch, NumPy You have experience working with asynchronous, parallel or distributed systems You have a good knowledge of at least one relational database e.g. SQL Server, Oracle You have a good understanding of TDD, CI/CD practices and modern software engineering best practices You have experience with embedded software and / or IoT You are comfortable in an R&D environment You have an interest and understanding of Machine Learning and AI You are degree educated in a relevant STEM discipline You're collaborative, comfortable with Pair Programming and mentoring more junior engineers Ideally you will also have experience with some of the following: Anaconda, Mamba, Poetry, C++, JavaScript, Haskell, OCaml, Rust What's in it for you: As a Python Developer you will receive a competitive package: Salary to £55k Bonus Healthcare Pension Continual learning and self development Complex interesting work at the cutting edge of technology Apply now to find out more about this Python Developer / Backend Software Engineer (Python R&D TDD) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.
Senior Software Engineer / Full Stack Developer (TypeScript Node React AWS) London / WFH to £95k Are you a full stack technologist? You could be progressing your career in a hands-on Senior Software Engineer role at a well established consumer facing financial services company that help people to manage debt, as they go through a technical transformation and scale-up following recent investment. What's in it for you: Salary to £95k Bonus 25 days holiday Pension Employee Assistance Programme Onsite gym and well-being champions X2 volunteering days per year Opportunity to make an impact as part of new team in a role you can shape Your role: As a Senior Software Engineer you will design and develop customer facing applications, working across the full stack with a leaning towards TypeScript, Node and AWS on the backend but also with exposure to React on the front end, ensuring high standards of quality, security, reliability and operability across the stack. You'll also have exposure to mobile app development using React Native. Location / WFH: You'll be based in fantastic new offices in London that offer a wide range of facilities including wellness rooms and onsite gym for three days a week with flexibility to work from home twice a week. About you: You have advanced full stack development skills including TypeScript backends, microservices, APIs, React and also ideally React Native or Kotlin for mobile development You have a good understanding of distributed systems, RDBMS (Oracle) and data modelling trade-offs You have a good understanding of cloud native architecture and modern engineering practices such as CI/CD, Test Automation, monitoring and observability You have an interest in AI and agentic systems, ideally having used in a commercial setting You're collaborative and pragmatic, comfortable working closely with Product Managers to explain technical aspects and trade-offs to shape delivery plans that balance speed, quality and risk Apply now to find out more about this Senior Software Engineer / Full Stack Developer (TypeScript Node React AWS) opportunity.
01/04/2026
Full time
Senior Software Engineer / Full Stack Developer (TypeScript Node React AWS) London / WFH to £95k Are you a full stack technologist? You could be progressing your career in a hands-on Senior Software Engineer role at a well established consumer facing financial services company that help people to manage debt, as they go through a technical transformation and scale-up following recent investment. What's in it for you: Salary to £95k Bonus 25 days holiday Pension Employee Assistance Programme Onsite gym and well-being champions X2 volunteering days per year Opportunity to make an impact as part of new team in a role you can shape Your role: As a Senior Software Engineer you will design and develop customer facing applications, working across the full stack with a leaning towards TypeScript, Node and AWS on the backend but also with exposure to React on the front end, ensuring high standards of quality, security, reliability and operability across the stack. You'll also have exposure to mobile app development using React Native. Location / WFH: You'll be based in fantastic new offices in London that offer a wide range of facilities including wellness rooms and onsite gym for three days a week with flexibility to work from home twice a week. About you: You have advanced full stack development skills including TypeScript backends, microservices, APIs, React and also ideally React Native or Kotlin for mobile development You have a good understanding of distributed systems, RDBMS (Oracle) and data modelling trade-offs You have a good understanding of cloud native architecture and modern engineering practices such as CI/CD, Test Automation, monitoring and observability You have an interest in AI and agentic systems, ideally having used in a commercial setting You're collaborative and pragmatic, comfortable working closely with Product Managers to explain technical aspects and trade-offs to shape delivery plans that balance speed, quality and risk Apply now to find out more about this Senior Software Engineer / Full Stack Developer (TypeScript Node React AWS) opportunity.
Backend Software Engineer / Developer (Python Data ML) Remote UK to £75k Are you a data savvy Backend Software Engineer with strong Python experience? You could be progressing your career in as a hands-on Backend Software Engineer role as part of a friendly and supportive international team at a growing and hugely successful European car insurance tech company as they expand their UK presence. What's in it for you: As a Backend Software Engineer / Developer you will receive a competitive package: Up to £75,000 salary Flexible / remote working including flexible working hours Ability to work 30 days from any EU country Diverse, inclusive team environment with a range of support networks (e.g. LGBTIQA+, Women's Networking group) Your role: As a Backend Software Engineer you will play a key role in building the foundational platforms that enable Machine Learning at scale across all countries where the company operates. You'll design and develop reliable systems and shared capabilities that support the full ML lifecycle, from experimentation to production, taking a lead role in developing platform tools, shared services and infrastructure. Collaborating closely with product managers and stakeholders, including data scientists and ML engineers, you'll help to support the full ML lifecycle, from experimentation and training to deployment and monitoring, continuously learning and stay up to date with emerging technologies, tools and industry trends to ensure the platform remains robust and future-proof. There's a supportive, diverse environment where you'll have your voice heard. Location / WFH: The company is a big advocate of flexible working and prides itself on DEI; you can work from home anywhere in the UK; you can also work at times that suit you. About you: You have strong Python backend development skills You have a deep knowledge of software design principles and architecture You have experience of working with Machine Learning models and workflows in production environments You have a good knowledge of software development practices like TDD and BDD, ensuring code is marked by quality, readability and maintainability You have a good working knowledge of CI/CD, IaC, containerisation technologies You have experience of working with messaging / streaming platforms (e.g. Kafka, RabbitMQ) and designing relational databases (e.g., MySQL, PostgreSQL) You're proficient with cloud-based systems (preferably AWS) You're collaborative and pragmatic with great communication skills Apply now to find out more about this Backend Software Engineer / Developer (Python Data ML) opportunity.
01/04/2026
Full time
Backend Software Engineer / Developer (Python Data ML) Remote UK to £75k Are you a data savvy Backend Software Engineer with strong Python experience? You could be progressing your career in as a hands-on Backend Software Engineer role as part of a friendly and supportive international team at a growing and hugely successful European car insurance tech company as they expand their UK presence. What's in it for you: As a Backend Software Engineer / Developer you will receive a competitive package: Up to £75,000 salary Flexible / remote working including flexible working hours Ability to work 30 days from any EU country Diverse, inclusive team environment with a range of support networks (e.g. LGBTIQA+, Women's Networking group) Your role: As a Backend Software Engineer you will play a key role in building the foundational platforms that enable Machine Learning at scale across all countries where the company operates. You'll design and develop reliable systems and shared capabilities that support the full ML lifecycle, from experimentation to production, taking a lead role in developing platform tools, shared services and infrastructure. Collaborating closely with product managers and stakeholders, including data scientists and ML engineers, you'll help to support the full ML lifecycle, from experimentation and training to deployment and monitoring, continuously learning and stay up to date with emerging technologies, tools and industry trends to ensure the platform remains robust and future-proof. There's a supportive, diverse environment where you'll have your voice heard. Location / WFH: The company is a big advocate of flexible working and prides itself on DEI; you can work from home anywhere in the UK; you can also work at times that suit you. About you: You have strong Python backend development skills You have a deep knowledge of software design principles and architecture You have experience of working with Machine Learning models and workflows in production environments You have a good knowledge of software development practices like TDD and BDD, ensuring code is marked by quality, readability and maintainability You have a good working knowledge of CI/CD, IaC, containerisation technologies You have experience of working with messaging / streaming platforms (e.g. Kafka, RabbitMQ) and designing relational databases (e.g., MySQL, PostgreSQL) You're proficient with cloud-based systems (preferably AWS) You're collaborative and pragmatic with great communication skills Apply now to find out more about this Backend Software Engineer / Developer (Python Data ML) opportunity.
Software Engineer (React) Position Description At CGI, you will play a key role in shaping intuitive, high-performing digital experiences that deliver real value to clients and end users. As a React Developer, you will contribute to building scalable front-end solutions that support business transformation and innovation across industries. Working within a collaborative and forward-thinking environment, you will have the opportunity to take ownership of your work, contribute creative ideas, and help deliver impactful outcomes. CGI empowers you to grow your expertise, work with modern technologies, and make a meaningful difference while being supported by a strong, inclusive team culture. CGI was recognised in the Sunday Times Best Places to Work List 2025 and has been named a UK 'Best Employer' by the Financial Times. We offer a competitive salary, excellent pension, private healthcare, plus a share scheme (3.5% + 3.5% matching) which makes you a CGI Partner not just an employee. We are committed to inclusivity, building a genuinely diverse community of tech talent and inspiring everyone to pursue careers in our sector, including our Armed Forces, and are proud to hold a Gold Award in recognition of our support of the Armed Forces Corporate Covenant. Join us and you'll be part of an open, friendly community of experts. We'll train and support you in taking your career wherever you want it to go. Due to the secure nature of the programme, you will need to hold UK Security Clearance or be eligible to go through this clearance. Our teams operate within a flexible hybrid working model, however on-site requirements vary by project, so the ability to travel as required to meet client needs is essential. Your future duties and responsibilities In this role, you will design, build, and enhance modern web applications using React, contributing directly to solutions that drive client success. You will take ownership of key features and components, working closely with designers, backend engineers, and product teams to translate requirements into scalable, high-quality code. You will be encouraged to deepen your technical expertise, share knowledge, and continuously improve development standards while contributing ideas that shape how solutions are delivered. You will play an important role in balancing delivery and technical development, taking responsibility for your work while being supported in progressing toward more senior responsibilities. • Develop responsive, scalable applications using React.js • Build reusable components and front-end libraries • Collaborate within cross-functional agile teams • Integrate front-end solutions with APIs and backend services • Improve application performance, accessibility, and usability • Review code quality through peer reviews and best practices • Troubleshoot technical issues effectively • Learn modern tools, frameworks, and approaches Required qualifications to be successful in this role You will bring hands-on experience in React development and modern JavaScript, with the ability to deliver high-quality front-end solutions. You should be comfortable taking ownership of your work while continuing to grow your technical depth within a collaborative team environment. • You should have commercial experience developing applications using React.js • Strong proficiency in JavaScript (ES6+) and core front-end principles • Experience with HTML5, CSS3, and responsive design techniques • Familiarity with RESTful APIs and integration patterns • Proven ability to write clean, maintainable, and testable code • Experience using Git and modern development workflows • Understanding of debugging, performance optimisation, and best practices • Ability to collaborate effectively and contribute to continuous improvement Together, as owners, let's turn meaningful insights into action. Life at CGI is rooted in ownership, teamwork, respect and belonging. Here, you'll reach your full potential because You are invited to be an owner from day 1 as we work together to bring our Dream to life. That's why we call ourselves CGI Partners rather than employees. We benefit from our collective success and actively shape our company's strategy and direction. Your work creates value. You'll develop innovative solutions and build relationships with teammates and clients while accessing global capabilities to scale your ideas, embrace new opportunities, and benefit from expansive industry and technology expertise. You'll shape your career by joining a company built to grow and last. You'll be supported by leaders who care about your health and well-being and provide you with opportunities to deepen your skills and broaden your horizons. Come join our team-one of the largest IT and business consulting services firms in the world.
01/04/2026
Full time
Software Engineer (React) Position Description At CGI, you will play a key role in shaping intuitive, high-performing digital experiences that deliver real value to clients and end users. As a React Developer, you will contribute to building scalable front-end solutions that support business transformation and innovation across industries. Working within a collaborative and forward-thinking environment, you will have the opportunity to take ownership of your work, contribute creative ideas, and help deliver impactful outcomes. CGI empowers you to grow your expertise, work with modern technologies, and make a meaningful difference while being supported by a strong, inclusive team culture. CGI was recognised in the Sunday Times Best Places to Work List 2025 and has been named a UK 'Best Employer' by the Financial Times. We offer a competitive salary, excellent pension, private healthcare, plus a share scheme (3.5% + 3.5% matching) which makes you a CGI Partner not just an employee. We are committed to inclusivity, building a genuinely diverse community of tech talent and inspiring everyone to pursue careers in our sector, including our Armed Forces, and are proud to hold a Gold Award in recognition of our support of the Armed Forces Corporate Covenant. Join us and you'll be part of an open, friendly community of experts. We'll train and support you in taking your career wherever you want it to go. Due to the secure nature of the programme, you will need to hold UK Security Clearance or be eligible to go through this clearance. Our teams operate within a flexible hybrid working model, however on-site requirements vary by project, so the ability to travel as required to meet client needs is essential. Your future duties and responsibilities In this role, you will design, build, and enhance modern web applications using React, contributing directly to solutions that drive client success. You will take ownership of key features and components, working closely with designers, backend engineers, and product teams to translate requirements into scalable, high-quality code. You will be encouraged to deepen your technical expertise, share knowledge, and continuously improve development standards while contributing ideas that shape how solutions are delivered. You will play an important role in balancing delivery and technical development, taking responsibility for your work while being supported in progressing toward more senior responsibilities. • Develop responsive, scalable applications using React.js • Build reusable components and front-end libraries • Collaborate within cross-functional agile teams • Integrate front-end solutions with APIs and backend services • Improve application performance, accessibility, and usability • Review code quality through peer reviews and best practices • Troubleshoot technical issues effectively • Learn modern tools, frameworks, and approaches Required qualifications to be successful in this role You will bring hands-on experience in React development and modern JavaScript, with the ability to deliver high-quality front-end solutions. You should be comfortable taking ownership of your work while continuing to grow your technical depth within a collaborative team environment. • You should have commercial experience developing applications using React.js • Strong proficiency in JavaScript (ES6+) and core front-end principles • Experience with HTML5, CSS3, and responsive design techniques • Familiarity with RESTful APIs and integration patterns • Proven ability to write clean, maintainable, and testable code • Experience using Git and modern development workflows • Understanding of debugging, performance optimisation, and best practices • Ability to collaborate effectively and contribute to continuous improvement Together, as owners, let's turn meaningful insights into action. Life at CGI is rooted in ownership, teamwork, respect and belonging. Here, you'll reach your full potential because You are invited to be an owner from day 1 as we work together to bring our Dream to life. That's why we call ourselves CGI Partners rather than employees. We benefit from our collective success and actively shape our company's strategy and direction. Your work creates value. You'll develop innovative solutions and build relationships with teammates and clients while accessing global capabilities to scale your ideas, embrace new opportunities, and benefit from expansive industry and technology expertise. You'll shape your career by joining a company built to grow and last. You'll be supported by leaders who care about your health and well-being and provide you with opportunities to deepen your skills and broaden your horizons. Come join our team-one of the largest IT and business consulting services firms in the world.
Software Developer / Engineer Newcastle onsite to £70k+ Are you a bright, ambitious Software Developer looking for an opportunity to progress your career, working on complex and interesting systems in a role where you can learn and develop your skills? You could be joining a FinTech start-up, they have secure backing and an established Hedge Fund client as a partner. As a Software Developer you will collaborate with a small, talented team to deliver the core platform within a Microsoft environment using the latest versions of C# .Net to produce high quality code. Once the Beta has been rolled out and tested the company has ambitious growth plans, this is a great opportunity to be involved from the ground up and progress your career. Location / WFH: You'll join colleagues in brand new Central Newcastle offices on a full-time basis (Monday to Friday), working hours with some flexibility. The offices are well equipped and offer fantastic views across the City and the local countryside, many employees walk or cycle in (onsite showers available!). About you: You have achieved a minimum 2.1 BSc in Computer Science or similar technical discipline from a top tier / Russel Group university, backed by A's at A-level You're a technologist who enjoys collaborating and problem solving, working on complex, distributed systems You have strong backend coding skills - you can come from any tech background (e.g. Java, Python, Full Stack) but be happy to use C# .Net going forward and pick up new things along the way You have experience with public cloud technologies - Azure, AWS, GCP You have a good knowledge of modern software engineering best practices and have experience across the full software development lifecycle You have a thorough understanding of Computer Science fundamentals such as OOP, Data Structures, Design Patterns, Algorithms You're excited to join a start-up in a role that you can shape and influence What's in it for you: As a Software Developer / Engineer you will earn a competitive package: Salary to £70k Bonus 25 days holiday Bupa healthcare Generous pension contribution Continuous career development opportunities Social team atmosphere with a range of events and early finish for drinks on Fridays Apply now to find out more about this Software Developer / Engineer opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.
01/04/2026
Full time
Software Developer / Engineer Newcastle onsite to £70k+ Are you a bright, ambitious Software Developer looking for an opportunity to progress your career, working on complex and interesting systems in a role where you can learn and develop your skills? You could be joining a FinTech start-up, they have secure backing and an established Hedge Fund client as a partner. As a Software Developer you will collaborate with a small, talented team to deliver the core platform within a Microsoft environment using the latest versions of C# .Net to produce high quality code. Once the Beta has been rolled out and tested the company has ambitious growth plans, this is a great opportunity to be involved from the ground up and progress your career. Location / WFH: You'll join colleagues in brand new Central Newcastle offices on a full-time basis (Monday to Friday), working hours with some flexibility. The offices are well equipped and offer fantastic views across the City and the local countryside, many employees walk or cycle in (onsite showers available!). About you: You have achieved a minimum 2.1 BSc in Computer Science or similar technical discipline from a top tier / Russel Group university, backed by A's at A-level You're a technologist who enjoys collaborating and problem solving, working on complex, distributed systems You have strong backend coding skills - you can come from any tech background (e.g. Java, Python, Full Stack) but be happy to use C# .Net going forward and pick up new things along the way You have experience with public cloud technologies - Azure, AWS, GCP You have a good knowledge of modern software engineering best practices and have experience across the full software development lifecycle You have a thorough understanding of Computer Science fundamentals such as OOP, Data Structures, Design Patterns, Algorithms You're excited to join a start-up in a role that you can shape and influence What's in it for you: As a Software Developer / Engineer you will earn a competitive package: Salary to £70k Bonus 25 days holiday Bupa healthcare Generous pension contribution Continuous career development opportunities Social team atmosphere with a range of events and early finish for drinks on Fridays Apply now to find out more about this Software Developer / Engineer opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.
Software Engineer, Developer - Frontend - React, JavaScript Contract - Until 31 December - Renewable Rate: £600 per Day - Inside IR35 Location: Essex Offices (between Brentwood and Basildon) 4 days a Week The banking and finance division of one of the world's leading engineering and manufacturing companies and a household name is seeking a Software Developer, Software Engineer - Front End, Frontend. The Frontend software developer will be working within a single team assisting with the creation of new frontend products for customers. It is expected the Software Engineer will upskill other team members with the knowledge required around creating leading frontend applications. Essential Skills & Experience Software Engineer, Developer - Frontend - React, JavaScript Desirable (not essential) Skills & Experience Software Engineer, Developer - Frontend - React, JavaScript # Software engineering (Backend) # Networking (Subnets, Firewall, Load balancing, VPN configurations) # Security and identity management # Monitoring and logging # Problem-Solving and debugging
01/04/2026
Contractor
Software Engineer, Developer - Frontend - React, JavaScript Contract - Until 31 December - Renewable Rate: £600 per Day - Inside IR35 Location: Essex Offices (between Brentwood and Basildon) 4 days a Week The banking and finance division of one of the world's leading engineering and manufacturing companies and a household name is seeking a Software Developer, Software Engineer - Front End, Frontend. The Frontend software developer will be working within a single team assisting with the creation of new frontend products for customers. It is expected the Software Engineer will upskill other team members with the knowledge required around creating leading frontend applications. Essential Skills & Experience Software Engineer, Developer - Frontend - React, JavaScript Desirable (not essential) Skills & Experience Software Engineer, Developer - Frontend - React, JavaScript # Software engineering (Backend) # Networking (Subnets, Firewall, Load balancing, VPN configurations) # Security and identity management # Monitoring and logging # Problem-Solving and debugging
CBSbutler Holdings Limited trading as CBSbutler
Croydon, London
Java Developer - SC Cleared - Spring Boot / AWS - Croydon (Hybrid) Location: Croydon (Hybrid Working) Clearance: Active SC Clearance required Type: Contract Rate: 475 per day Duration: 12 months Overview We are looking for an SC Cleared Java Developer to support the delivery of modern, cloud-based applications within an AWS environment. The role will involve backend development, API delivery, and contributing to greenfield microservices-based solutions. Hybrid working is required, with on-site presence in Croydon . Key Skills (Essential) Strong Java development experience Spring Boot SQL and report writing Experience working in AWS environments EBSA experience API development and microservices architecture Experience with CI/CD pipelines Containerisation using Docker and/or Kubernetes Experience delivering greenfield development projects Active SC Clearance Desirable Skills React Next.js Experience working within Agile delivery teams Responsibilities Develop backend services using Java and Spring Boot Build and maintain REST APIs Work with AWS cloud infrastructure Contribute to microservices and containerised deployments Support delivery of new system builds (greenfield) Collaborate with cross-functional teams in an Agile environment
01/04/2026
Contractor
Java Developer - SC Cleared - Spring Boot / AWS - Croydon (Hybrid) Location: Croydon (Hybrid Working) Clearance: Active SC Clearance required Type: Contract Rate: 475 per day Duration: 12 months Overview We are looking for an SC Cleared Java Developer to support the delivery of modern, cloud-based applications within an AWS environment. The role will involve backend development, API delivery, and contributing to greenfield microservices-based solutions. Hybrid working is required, with on-site presence in Croydon . Key Skills (Essential) Strong Java development experience Spring Boot SQL and report writing Experience working in AWS environments EBSA experience API development and microservices architecture Experience with CI/CD pipelines Containerisation using Docker and/or Kubernetes Experience delivering greenfield development projects Active SC Clearance Desirable Skills React Next.js Experience working within Agile delivery teams Responsibilities Develop backend services using Java and Spring Boot Build and maintain REST APIs Work with AWS cloud infrastructure Contribute to microservices and containerised deployments Support delivery of new system builds (greenfield) Collaborate with cross-functional teams in an Agile environment
CBSbutler Holdings Limited trading as CBSbutler
Mickleover, Derby
Front End Developer Rate: 450 a day IR35: Inside IR35 Location: Derby - 40% on site Duration: Initially 6 months You will join a global IT Consultancy delivering digital transformation to their financial services client. In this role you will design and deliver intuitive, high-quality user interfaces the client's platform, contributing to a series of incremental enhancements and small-scale initiatives. The role will focus on improving customer and adviser experiences, ensuring usability, accessibility, and performance across the front end. Your Skills & Experience . Strong experience as a Front End Developer, delivering modern web applications. . Proficiency in: Angular (primary framework) HTML, CSS, and TypeScript . Experience integrating with RESTful APIs and backend services. . Understanding of responsive design, accessibility (e.g. WCAG), and performance optimisation. . Experience working within Agile or hybrid delivery environments. . Familiarity with tools such as Git, CI/CD pipelines, and modern front-end build tools.
01/04/2026
Contractor
Front End Developer Rate: 450 a day IR35: Inside IR35 Location: Derby - 40% on site Duration: Initially 6 months You will join a global IT Consultancy delivering digital transformation to their financial services client. In this role you will design and deliver intuitive, high-quality user interfaces the client's platform, contributing to a series of incremental enhancements and small-scale initiatives. The role will focus on improving customer and adviser experiences, ensuring usability, accessibility, and performance across the front end. Your Skills & Experience . Strong experience as a Front End Developer, delivering modern web applications. . Proficiency in: Angular (primary framework) HTML, CSS, and TypeScript . Experience integrating with RESTful APIs and backend services. . Understanding of responsive design, accessibility (e.g. WCAG), and performance optimisation. . Experience working within Agile or hybrid delivery environments. . Familiarity with tools such as Git, CI/CD pipelines, and modern front-end build tools.
Digital Architect Location: London Competitive Salary + Package (Dependent on experience) (Accenture will be recruiting at the following levels - Manager & Consultant) As a team: The Architect is the essence of every project we bring to life from streaming live sport across the world, solving health emergencies to serving customers in new ways with innovative new Digital products. We're looking for architects who can support the delivery of increasingly transformational digital products that traverse a diverse range of devices (iOS, Android, smart TVs, embedded technology) and plug into an ecosystem of cloud services at massive scale with millions of users. We need people who are as comfortable at a whiteboard scribbling a design as they are working on detailed specifications for a distributed team of developers. We're also looking for architects who are as satisfied with their designs as they are the end product, and can problem solve and overcome challenges at every stage of the lifecycle. In our team you will learn: To use the latest in platform engineering including Cloud technologies like AWS, Azure and Google Cloud Platform How technical architecture expertise can contribute to new sales activities, communicating why the architecture designs meet current and future business requirements. How to deliver scalable platforms serving millions of users for products with a global reach How to work day-to-day with clients ranging from developers and testers through to product managers and directors In this role you will: Lead the end-to-end design of performant, secure, robust and maintainable platforms architectures across evolving technologies Support the development and delivery into production of the architecture and coach engineers during delivery using a variety of methodologies Analyse and resolve architectural problems throughout the lifecycle of the solution working closely with either agile development and operations teams or in a full DevSecOps model Lead technical architecture design and assessment projects at client sites with key client partners Cultivate successful, motivated teams across the globe to deliver large transformational technology change for our clients We are looking for experience in the following skills: An ability to communicate design concepts to both deeply technical development teams as well as non-technical staff A deep and practical working knowledge of one (or more) of the major cloud platforms Solid understanding of key architecture concerns such as security, availability, scalability, operability, maintainability and how to ensure that they are delivered as specified Knowledge of and experience applying modern architecture principles and patterns Experience supporting operational platforms in high-scale live production environments Set yourself apart: Demonstrable hands-on experience designing, building and maintaining scalable products and platforms A track record of using technical architecture and modern engineering principles to improve the end user experience and backend functionality of products and platforms Demonstrable experience of upskilling, teaching and running an engineering or architecture team Prior experience working with senior technical and non-technical stakeholders on business-critical systems What's in it for you At Accenture in addition to a competitive basic salary, you will also have an extensive benefits package which includes up to 30 days vacation per year, private medical insurance and 3 extra days leave per year for charitable work of your choice! Flexibility and mobility are required to deliver this role as there will be requirements to spend time onsite with our clients and partners to enable delivery of the first-class services we are known for. Closing Date for Applications 28/02/2026 Accenture reserves the right to close the role prior to this date should a suitable applicant be found.
01/04/2026
Full time
Digital Architect Location: London Competitive Salary + Package (Dependent on experience) (Accenture will be recruiting at the following levels - Manager & Consultant) As a team: The Architect is the essence of every project we bring to life from streaming live sport across the world, solving health emergencies to serving customers in new ways with innovative new Digital products. We're looking for architects who can support the delivery of increasingly transformational digital products that traverse a diverse range of devices (iOS, Android, smart TVs, embedded technology) and plug into an ecosystem of cloud services at massive scale with millions of users. We need people who are as comfortable at a whiteboard scribbling a design as they are working on detailed specifications for a distributed team of developers. We're also looking for architects who are as satisfied with their designs as they are the end product, and can problem solve and overcome challenges at every stage of the lifecycle. In our team you will learn: To use the latest in platform engineering including Cloud technologies like AWS, Azure and Google Cloud Platform How technical architecture expertise can contribute to new sales activities, communicating why the architecture designs meet current and future business requirements. How to deliver scalable platforms serving millions of users for products with a global reach How to work day-to-day with clients ranging from developers and testers through to product managers and directors In this role you will: Lead the end-to-end design of performant, secure, robust and maintainable platforms architectures across evolving technologies Support the development and delivery into production of the architecture and coach engineers during delivery using a variety of methodologies Analyse and resolve architectural problems throughout the lifecycle of the solution working closely with either agile development and operations teams or in a full DevSecOps model Lead technical architecture design and assessment projects at client sites with key client partners Cultivate successful, motivated teams across the globe to deliver large transformational technology change for our clients We are looking for experience in the following skills: An ability to communicate design concepts to both deeply technical development teams as well as non-technical staff A deep and practical working knowledge of one (or more) of the major cloud platforms Solid understanding of key architecture concerns such as security, availability, scalability, operability, maintainability and how to ensure that they are delivered as specified Knowledge of and experience applying modern architecture principles and patterns Experience supporting operational platforms in high-scale live production environments Set yourself apart: Demonstrable hands-on experience designing, building and maintaining scalable products and platforms A track record of using technical architecture and modern engineering principles to improve the end user experience and backend functionality of products and platforms Demonstrable experience of upskilling, teaching and running an engineering or architecture team Prior experience working with senior technical and non-technical stakeholders on business-critical systems What's in it for you At Accenture in addition to a competitive basic salary, you will also have an extensive benefits package which includes up to 30 days vacation per year, private medical insurance and 3 extra days leave per year for charitable work of your choice! Flexibility and mobility are required to deliver this role as there will be requirements to spend time onsite with our clients and partners to enable delivery of the first-class services we are known for. Closing Date for Applications 28/02/2026 Accenture reserves the right to close the role prior to this date should a suitable applicant be found.
Senior Backend Engineer (PHP) - Fareham - £60k + bonus and benefits (office based for the first 3 months and then hybrid thereafter) Tech: OOP, PHP, MySQL, GitFocus: TDD, Agile, systems optimisation & Greenfield developmentBonus: Kubernetes, AWS/GCP, Docker An exciting new opportunity for a Senior Backend Engineer to join an entrepreneurial business based in Fareham. Working within a dedicated LAMP environment and reporting to the project manager, you will be helping to plan and develop the product and its internal driven websites, data migration and help with support and maintenance of security and storage services. This innovative technology company have several brands specialising in a variety of high tech solutions including security, data backup and cloud storage platforms. You will be using latest release PHP and web technology including XHTML, CSS, jQuery and Agile/Scum methodology. The work is aimed at more back end development with an emphasis on Agile processes, systems optimisation, TDD and embracing modern development practices. The company also uses PHPUnit / Selenium to ensure high standards of development. Desired skill set that includes: OOP PHP5+ MySQL Git Beneficial Skills: Kubernetes Google Cloud / AWS Docker Load Balancing TDD Code Review The company offer an unrivalled volume of new projects, Greenfield development and the opportunity to work with and learn from some of the sharpest developers in the area. On top of a competitive salary the company offer some fantastic financial and lifestyle benefits including; free access to local gym and health spa, onsite chef (free cooked breakfast & lunch!), childcare vouchers, cycle to work scheme, pension, BUPA healthcare. To be considered for this position please send your CV to or call Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy.
01/04/2026
Full time
Senior Backend Engineer (PHP) - Fareham - £60k + bonus and benefits (office based for the first 3 months and then hybrid thereafter) Tech: OOP, PHP, MySQL, GitFocus: TDD, Agile, systems optimisation & Greenfield developmentBonus: Kubernetes, AWS/GCP, Docker An exciting new opportunity for a Senior Backend Engineer to join an entrepreneurial business based in Fareham. Working within a dedicated LAMP environment and reporting to the project manager, you will be helping to plan and develop the product and its internal driven websites, data migration and help with support and maintenance of security and storage services. This innovative technology company have several brands specialising in a variety of high tech solutions including security, data backup and cloud storage platforms. You will be using latest release PHP and web technology including XHTML, CSS, jQuery and Agile/Scum methodology. The work is aimed at more back end development with an emphasis on Agile processes, systems optimisation, TDD and embracing modern development practices. The company also uses PHPUnit / Selenium to ensure high standards of development. Desired skill set that includes: OOP PHP5+ MySQL Git Beneficial Skills: Kubernetes Google Cloud / AWS Docker Load Balancing TDD Code Review The company offer an unrivalled volume of new projects, Greenfield development and the opportunity to work with and learn from some of the sharpest developers in the area. On top of a competitive salary the company offer some fantastic financial and lifestyle benefits including; free access to local gym and health spa, onsite chef (free cooked breakfast & lunch!), childcare vouchers, cycle to work scheme, pension, BUPA healthcare. To be considered for this position please send your CV to or call Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy.
Contract Lead Ruby Developer- (UK Remote) 100% Remote (EU-Based Candidates Only) 12-Month Contract We are supporting a leading organisation in the insurance sector as they scale and modernise their cloud-based core platform . They are looking for an experienced Senior Ruby Engineer to join on a 12-month contract , working fully remotely from anywhere within the UK. Role Overview You'll be a senior member of an engineering squad building, enhancing, and optimising a modern cloud-native system used across a major insurance operation. This is a hands-on development role where you'll contribute to new features, performance improvements, integrations, and architectural evolution within a high-performing engineering culture. What You'll Be Working On Developing and maintaining backend services using Ruby / Ruby on Rails Building scalable, maintainable components within a cloud-native architecture Collaborating with product, cloud, and DevOps teams to deliver high-impact functionality Contributing to technical decisions, best practices, and code quality improvements Integrating third-party services and APIs within a complex insurance environment Supporting ongoing migration, modernisation, and cloud optimisation initiatives What We're Looking For Strong commercial experience as a Senior Ruby or Ruby on Rails Engineer Deep understanding of distributed systems and cloud-based application design Extensive hands-on experience with AWS Solid background in building scalable APIs, microservices, and backend systems Familiarity with CI/CD pipelines, DevOps tooling, and modern cloud workflows Excellent communication skills and ability to operate within a cross-functional, remote team Must be based within the UK for compliance and time zone alignment Nice to Have Experience in insurance , financial services, or other regulated industries Exposure to containerisation (Docker/Kubernetes) Knowledge of security best practices in cloud environments
01/04/2026
Contractor
Contract Lead Ruby Developer- (UK Remote) 100% Remote (EU-Based Candidates Only) 12-Month Contract We are supporting a leading organisation in the insurance sector as they scale and modernise their cloud-based core platform . They are looking for an experienced Senior Ruby Engineer to join on a 12-month contract , working fully remotely from anywhere within the UK. Role Overview You'll be a senior member of an engineering squad building, enhancing, and optimising a modern cloud-native system used across a major insurance operation. This is a hands-on development role where you'll contribute to new features, performance improvements, integrations, and architectural evolution within a high-performing engineering culture. What You'll Be Working On Developing and maintaining backend services using Ruby / Ruby on Rails Building scalable, maintainable components within a cloud-native architecture Collaborating with product, cloud, and DevOps teams to deliver high-impact functionality Contributing to technical decisions, best practices, and code quality improvements Integrating third-party services and APIs within a complex insurance environment Supporting ongoing migration, modernisation, and cloud optimisation initiatives What We're Looking For Strong commercial experience as a Senior Ruby or Ruby on Rails Engineer Deep understanding of distributed systems and cloud-based application design Extensive hands-on experience with AWS Solid background in building scalable APIs, microservices, and backend systems Familiarity with CI/CD pipelines, DevOps tooling, and modern cloud workflows Excellent communication skills and ability to operate within a cross-functional, remote team Must be based within the UK for compliance and time zone alignment Nice to Have Experience in insurance , financial services, or other regulated industries Exposure to containerisation (Docker/Kubernetes) Knowledge of security best practices in cloud environments
Backend Developer Romsey, Hampshire (Hybrid - 3 days office / 2 remote, flexible) £45,000 - £50,000 + Benefits OOP, PHP, Laravel My client build innovative SaaS solutions that help organisations monitor, manage, and optimise critical infrastructure. Following recent growth and their migration to AWS, they're investing heavily in modernising their platform and building new products. I'm now looking for a Backend Developer to join their agile team and play a key role in shaping the future of their technology. The Role This is a hands-on backend role with real ownership. You'll work across both: Stabilising and improving existing Laravel-based systems Designing and building new SaaS products using a modern tech stack You'll act as the backend authority within a small, collaborative team, working closely with a Frontend Developer and Senior UX/UI Designer. What You'll Be Doing Design & Development Build and maintain scalable SaaS applications Develop clean, well-structured backend systems using modern Laravel Design and implement robust RESTful APIs for a React frontend Architecture & Ownership Own backend architecture and code quality Design multi-tenant database structures Apply best practices (service patterns, Eloquent optimisation, clean architecture) System Optimisation Improve performance and reliability of legacy systems Handle complex data migrations Proactively enhance system security Cloud & DevOps Help modernise systems using AWS managed services Maintain and improve CI/CD pipelines Support automated, reliable deployments Collaboration Work closely with frontend and UX on product development Contribute to product discovery and backlog shaping Participate in Agile/SCRUM ceremonies (Jira) Key Technical Requirements 3+ years commercial experience in backend development Strong PHP (8.x) and deep Laravel expertise Solid PostgreSQL experience (schema design, optimisation) Experience building APIs and integrating with frontend frameworks (ideally React) Strong understanding of Agile/SCRUM and TDD Nice to Have Experience with AWS and infrastructure modernisation CI/CD pipeline design and management Exposure to AI tooling (e.g. GitHub Copilot, Claude) Experience with agentic AI systems Familiarity with Figma workflows Interested in this position? Send your CV to
01/04/2026
Full time
Backend Developer Romsey, Hampshire (Hybrid - 3 days office / 2 remote, flexible) £45,000 - £50,000 + Benefits OOP, PHP, Laravel My client build innovative SaaS solutions that help organisations monitor, manage, and optimise critical infrastructure. Following recent growth and their migration to AWS, they're investing heavily in modernising their platform and building new products. I'm now looking for a Backend Developer to join their agile team and play a key role in shaping the future of their technology. The Role This is a hands-on backend role with real ownership. You'll work across both: Stabilising and improving existing Laravel-based systems Designing and building new SaaS products using a modern tech stack You'll act as the backend authority within a small, collaborative team, working closely with a Frontend Developer and Senior UX/UI Designer. What You'll Be Doing Design & Development Build and maintain scalable SaaS applications Develop clean, well-structured backend systems using modern Laravel Design and implement robust RESTful APIs for a React frontend Architecture & Ownership Own backend architecture and code quality Design multi-tenant database structures Apply best practices (service patterns, Eloquent optimisation, clean architecture) System Optimisation Improve performance and reliability of legacy systems Handle complex data migrations Proactively enhance system security Cloud & DevOps Help modernise systems using AWS managed services Maintain and improve CI/CD pipelines Support automated, reliable deployments Collaboration Work closely with frontend and UX on product development Contribute to product discovery and backlog shaping Participate in Agile/SCRUM ceremonies (Jira) Key Technical Requirements 3+ years commercial experience in backend development Strong PHP (8.x) and deep Laravel expertise Solid PostgreSQL experience (schema design, optimisation) Experience building APIs and integrating with frontend frameworks (ideally React) Strong understanding of Agile/SCRUM and TDD Nice to Have Experience with AWS and infrastructure modernisation CI/CD pipeline design and management Exposure to AI tooling (e.g. GitHub Copilot, Claude) Experience with agentic AI systems Familiarity with Figma workflows Interested in this position? Send your CV to
Overview We're looking for a skilled Generative AI Engineer to help build and scale a modern AI platform within a large, complex enterprise environment. This role combines hands-on Python development with DevOps practices and the integration of large language models into secure, production-grade systems. You'll be working on emerging technologies, solving real-world engineering challenges, and contributing to the evolution of AI capabilities in a regulated setting. Key Responsibilities Design, build, and maintain backend services and APIs that provide secure access to AI capabilities Develop Python-based components for prompt orchestration, output validation, and evaluation workflows Integrate LLMs into existing enterprise systems, ensuring alignment with security and observability standards Implement and manage CI/CD pipelines in line with engineering best practices Collaborate with cross-functional teams (engineering, platform, and operations) to ensure reliable deployment and scaling Support experimentation, benchmarking, and cost/performance analysis of AI models Contribute to retrieval-augmented generation (RAG) solutions and data integration patterns Establish reusable API standards, frameworks, and documentation to support wider adoption Troubleshoot and optimise distributed systems and cloud-based services Core Skills & Experience Strong background in backend engineering using Python (additional exposure to Node.js or similar is beneficial) Hands-on experience working with Generative AI and large language models Understanding of prompt engineering challenges and model evaluation techniques Solid DevOps capabilities, including CI/CD pipelines and monitoring practices Experience operating in secure, regulated environments with strict governance controls Proven track record of integrating AI into production applications or workflows Knowledge of authentication, secrets management, and secure system design Nice to Have Experience with API gateways, service meshes, or GitOps tooling Familiarity with cloud platforms and services (compute, containers, storage, messaging) Experience building RESTful APIs (FastAPI or similar) and microservices architectures Exposure to infrastructure-as-code and automated deployment workflows Knowledge of prompt evaluation tooling Experience with both SQL and NoSQL databases Understanding of vector search and retrieval-based AI patterns Ways of Working Takes initiative and solves problems without needing heavy direction Comfortable navigating ambiguity in a fast-evolving technical landscape Strong communicator who can work effectively across technical and non-technical teams Curious and proactive in exploring new AI approaches responsibly Focused on automation and efficiency to improve delivery What Good Looks Like High-quality, secure AI services delivered into production Improved team productivity through automation and streamlined processes Reliable, observable systems with performance and evaluation built in Solutions that are easy for other teams to adopt and build upon Clear, accessible documentation supporting rapid onboarding
01/04/2026
Contractor
Overview We're looking for a skilled Generative AI Engineer to help build and scale a modern AI platform within a large, complex enterprise environment. This role combines hands-on Python development with DevOps practices and the integration of large language models into secure, production-grade systems. You'll be working on emerging technologies, solving real-world engineering challenges, and contributing to the evolution of AI capabilities in a regulated setting. Key Responsibilities Design, build, and maintain backend services and APIs that provide secure access to AI capabilities Develop Python-based components for prompt orchestration, output validation, and evaluation workflows Integrate LLMs into existing enterprise systems, ensuring alignment with security and observability standards Implement and manage CI/CD pipelines in line with engineering best practices Collaborate with cross-functional teams (engineering, platform, and operations) to ensure reliable deployment and scaling Support experimentation, benchmarking, and cost/performance analysis of AI models Contribute to retrieval-augmented generation (RAG) solutions and data integration patterns Establish reusable API standards, frameworks, and documentation to support wider adoption Troubleshoot and optimise distributed systems and cloud-based services Core Skills & Experience Strong background in backend engineering using Python (additional exposure to Node.js or similar is beneficial) Hands-on experience working with Generative AI and large language models Understanding of prompt engineering challenges and model evaluation techniques Solid DevOps capabilities, including CI/CD pipelines and monitoring practices Experience operating in secure, regulated environments with strict governance controls Proven track record of integrating AI into production applications or workflows Knowledge of authentication, secrets management, and secure system design Nice to Have Experience with API gateways, service meshes, or GitOps tooling Familiarity with cloud platforms and services (compute, containers, storage, messaging) Experience building RESTful APIs (FastAPI or similar) and microservices architectures Exposure to infrastructure-as-code and automated deployment workflows Knowledge of prompt evaluation tooling Experience with both SQL and NoSQL databases Understanding of vector search and retrieval-based AI patterns Ways of Working Takes initiative and solves problems without needing heavy direction Comfortable navigating ambiguity in a fast-evolving technical landscape Strong communicator who can work effectively across technical and non-technical teams Curious and proactive in exploring new AI approaches responsibly Focused on automation and efficiency to improve delivery What Good Looks Like High-quality, secure AI services delivered into production Improved team productivity through automation and streamlined processes Reliable, observable systems with performance and evaluation built in Solutions that are easy for other teams to adopt and build upon Clear, accessible documentation supporting rapid onboarding
Full Stack Developer C#, .Net Core, React Hybrid - Poole, Dorset (1 / 2 days per week in the office) £40,000 - £50,000 We're looking for a Full Stack Developer with demonstrable Front-End skills to join an agile software team and help build innovative, life-critical SaaS solutions for a global security company. You'll play a key role and be involved in all aspects of the Software Development Life Cycle (SDLC) including design, development, testing, deployment, release, and monitoring of applications. What You'll Do Contribute to both frontend and backend development across the full stack using .NET and React with TypeScript. Collaborate with Stakeholders, Designers etc to translate business requirements (e.g. Figma designs) into performant, accessible, and responsive user interfaces using React. Champion high standards of frontend development, including reusable components, clean architecture, and consistent styling practices. Take part in a critical IT incident on-call support rota. Required Skills: Strong experience with C#, .NET Core Frontend expertise with React Solid understanding of HTML, CSS, and JavaScript/TypeScript, with a focus on responsive and accessible UI development. Knowledge of component-based architecture and frontend best practices. Experience with MS SQL and Entity Framework. Familiarity with MVC architecture and RESTful APIs. Experience using version control systems (e.g., Git). Understanding of Test Driven Development (TDD) and automated testing approaches. If you have the relevant skills for this role and are ready for the challenge, then please send your CV to
01/04/2026
Full time
Full Stack Developer C#, .Net Core, React Hybrid - Poole, Dorset (1 / 2 days per week in the office) £40,000 - £50,000 We're looking for a Full Stack Developer with demonstrable Front-End skills to join an agile software team and help build innovative, life-critical SaaS solutions for a global security company. You'll play a key role and be involved in all aspects of the Software Development Life Cycle (SDLC) including design, development, testing, deployment, release, and monitoring of applications. What You'll Do Contribute to both frontend and backend development across the full stack using .NET and React with TypeScript. Collaborate with Stakeholders, Designers etc to translate business requirements (e.g. Figma designs) into performant, accessible, and responsive user interfaces using React. Champion high standards of frontend development, including reusable components, clean architecture, and consistent styling practices. Take part in a critical IT incident on-call support rota. Required Skills: Strong experience with C#, .NET Core Frontend expertise with React Solid understanding of HTML, CSS, and JavaScript/TypeScript, with a focus on responsive and accessible UI development. Knowledge of component-based architecture and frontend best practices. Experience with MS SQL and Entity Framework. Familiarity with MVC architecture and RESTful APIs. Experience using version control systems (e.g., Git). Understanding of Test Driven Development (TDD) and automated testing approaches. If you have the relevant skills for this role and are ready for the challenge, then please send your CV to
Front End Developer Luton (Hybrid one office day a week) JavaScript / TypeScript / Web Components This is a brand-new role sitting within a tight-knit team of 5, as part of a wider engineering function of 17 giving you the best of both worlds: real ownership, but plenty of support around you. You'll be joining at an exciting time, working on the development of several brand-new systems from the ground up . I t's very much greenfield work , not BAU so a great opportunity to shape how things are built, influence technical decisions, and have a genuine impact from day one. We're working with a team building modern, scalable web applications and they're looking for a strong frontend engineer who enjoys working close to the browser, not hidden behind heavy frameworks. This is a great role for someone who really understands JavaScript / TypeScript and likes building clean, reusable UI from the ground up. What you'll be doing Building modern web clients using Web Components (Lit) Creating modular, reusable UI components Integrating with backend services via GraphQL / REST APIs Working on fast, responsive, and maintainable interfaces Contributing to technical decisions and overall architecture What they're looking for Strong TypeScript / JavaScript experience Experience building SPA applications Good understanding of modern frontend tooling (ideally Vite , but similar is fine) Experience integrating APIs (GraphQL or REST) Solid fundamentals across HTML, CSS, and browser behaviour Nice to have (but not essential) Experience with Web Components / Lit Exposure to frameworks like React or Vue Familiarity with tools like RxJS, Postman, Swagger Any experience with SSO (e.g. Keycloak, Entra ID) is a bonus, not a must It's a genuinely interesting environment for someone who wants to move beyond framework-heavy frontend and work with modern, performant web tech. The role offers very good flexibility with just one day a week in the office, but you can choose to go in more frequently if preferred. For further details and to apply, please send your CV to Circle Recruitment is acting as an Employment Agency in relation to this vacancy. Earn yourself a referral bonus if you refer somebody else who fills the role! We also offer an iPad if you refer a new client to us and we recruit for them. Follow us on Facebook - Circle Recruitment , Twitter and LinkedIn - Circle Recruitment.
01/04/2026
Full time
Front End Developer Luton (Hybrid one office day a week) JavaScript / TypeScript / Web Components This is a brand-new role sitting within a tight-knit team of 5, as part of a wider engineering function of 17 giving you the best of both worlds: real ownership, but plenty of support around you. You'll be joining at an exciting time, working on the development of several brand-new systems from the ground up . I t's very much greenfield work , not BAU so a great opportunity to shape how things are built, influence technical decisions, and have a genuine impact from day one. We're working with a team building modern, scalable web applications and they're looking for a strong frontend engineer who enjoys working close to the browser, not hidden behind heavy frameworks. This is a great role for someone who really understands JavaScript / TypeScript and likes building clean, reusable UI from the ground up. What you'll be doing Building modern web clients using Web Components (Lit) Creating modular, reusable UI components Integrating with backend services via GraphQL / REST APIs Working on fast, responsive, and maintainable interfaces Contributing to technical decisions and overall architecture What they're looking for Strong TypeScript / JavaScript experience Experience building SPA applications Good understanding of modern frontend tooling (ideally Vite , but similar is fine) Experience integrating APIs (GraphQL or REST) Solid fundamentals across HTML, CSS, and browser behaviour Nice to have (but not essential) Experience with Web Components / Lit Exposure to frameworks like React or Vue Familiarity with tools like RxJS, Postman, Swagger Any experience with SSO (e.g. Keycloak, Entra ID) is a bonus, not a must It's a genuinely interesting environment for someone who wants to move beyond framework-heavy frontend and work with modern, performant web tech. The role offers very good flexibility with just one day a week in the office, but you can choose to go in more frequently if preferred. For further details and to apply, please send your CV to Circle Recruitment is acting as an Employment Agency in relation to this vacancy. Earn yourself a referral bonus if you refer somebody else who fills the role! We also offer an iPad if you refer a new client to us and we recruit for them. Follow us on Facebook - Circle Recruitment , Twitter and LinkedIn - Circle Recruitment.
Software Engineer - eDV Cleared New Opportunity in Cheltenham for Backend Developers who want to work on mission-critical, operational projects Can be based in Cheltenham, Bristol, Gloucester Up to £75,000 + Benefits Clearance bonus + company bonus To apply, email:
01/04/2026
Full time
Software Engineer - eDV Cleared New Opportunity in Cheltenham for Backend Developers who want to work on mission-critical, operational projects Can be based in Cheltenham, Bristol, Gloucester Up to £75,000 + Benefits Clearance bonus + company bonus To apply, email:
Contract Java Developer - Enhanced DV Cleared New Contract Opportunity for a Java Software Developer in Cheltenham with eDV Clearance New contract opportunity working on highly secure operational systems within the National Security domain Enhanced DV (eDV) Clearance required for access to high-side systems Cheltenham based - 3 days per week on-site 24 month contract Daily rate up to £700 DOE To apply please email or call WHO WE ARE? We are recruiting for a highly secure government programme delivering critical capabilities across the UK National Security sector. Working within a collaborative and fast-paced engineering environment, you will contribute to the development of secure, scalable software solutions used to support real-world operational outcomes. Due to the sensitive nature of the work, candidates must hold active Enhanced DV (eDV) clearance . WHAT WILL THE JAVA DEVELOPER BE DOING? You will be joining an experienced engineering team developing and enhancing secure backend systems that underpin mission-critical capabilities. The role involves designing, developing and maintaining Java-based services within highly secure environments, collaborating closely with other engineers, architects and stakeholders to deliver robust and reliable software. WE NEED THE JAVA DEVELOPER TO HAVE Active Enhanced DV (eDV) Clearance Strong Java development experience Experience working within secure or government environments Experience with microservices architectures Knowledge of RESTful APIs and backend services Experience working in Agile delivery teams IT WOULD BE NICE FOR THE JAVA DEVELOPER TO HAVE Experience with Spring / Spring Boot Exposure to containerisation (Docker / Kubernetes) Experience with CI/CD pipelines Knowledge of cloud environments such as AWS or Azure TO BE CONSIDERED Please either apply by clicking online or emailing me directly to . For further information please call me on . I can make myself available outside of normal working hours to suit you.
01/04/2026
Contractor
Contract Java Developer - Enhanced DV Cleared New Contract Opportunity for a Java Software Developer in Cheltenham with eDV Clearance New contract opportunity working on highly secure operational systems within the National Security domain Enhanced DV (eDV) Clearance required for access to high-side systems Cheltenham based - 3 days per week on-site 24 month contract Daily rate up to £700 DOE To apply please email or call WHO WE ARE? We are recruiting for a highly secure government programme delivering critical capabilities across the UK National Security sector. Working within a collaborative and fast-paced engineering environment, you will contribute to the development of secure, scalable software solutions used to support real-world operational outcomes. Due to the sensitive nature of the work, candidates must hold active Enhanced DV (eDV) clearance . WHAT WILL THE JAVA DEVELOPER BE DOING? You will be joining an experienced engineering team developing and enhancing secure backend systems that underpin mission-critical capabilities. The role involves designing, developing and maintaining Java-based services within highly secure environments, collaborating closely with other engineers, architects and stakeholders to deliver robust and reliable software. WE NEED THE JAVA DEVELOPER TO HAVE Active Enhanced DV (eDV) Clearance Strong Java development experience Experience working within secure or government environments Experience with microservices architectures Knowledge of RESTful APIs and backend services Experience working in Agile delivery teams IT WOULD BE NICE FOR THE JAVA DEVELOPER TO HAVE Experience with Spring / Spring Boot Exposure to containerisation (Docker / Kubernetes) Experience with CI/CD pipelines Knowledge of cloud environments such as AWS or Azure TO BE CONSIDERED Please either apply by clicking online or emailing me directly to . For further information please call me on . I can make myself available outside of normal working hours to suit you.
Software Engineer - eDV Cleared New Opportunity in London for Backend Developers who want to work on mission-critical, operational projects Central London based Up to £75,000 + Benefits Clearance bonus + company bonus To apply, email:
01/04/2026
Full time
Software Engineer - eDV Cleared New Opportunity in London for Backend Developers who want to work on mission-critical, operational projects Central London based Up to £75,000 + Benefits Clearance bonus + company bonus To apply, email:
If you are a Full Stack Developer with strong UI experience, we have a new 1-year FTC we'd like to discuss with you. This role would be ideal for someone with 3-5 years' experience and requires 3 days per week onsite in The City of London. About the Company A leading global financial services firm specialising in electronic trading and liquidity solutions is undergoing a significant technology transformation. With an established presence across major financial hubs, the business works with top-tier institutional clients and is investing heavily in modernising its trading platforms and infrastructure. This is an opportunity to join a high-performing, collaborative technology team working on cutting-edge, real-time systems within a fast-paced environment. The Role We're looking for a mid-level Full Stack Developer with strong front-end expertise to play a key role in delivering next-generation trading applications. You'll join a small Agile team, working closely with both technology and business stakeholders on greenfield and enhancement projects, with a particular focus on real-time UI development. This role would suit someone who thrives in a dynamic environment and enjoys building high-performance, user-centric applications. Key Responsibilities Translate user stories into scalable, high-quality technical solutions Contribute to Agile ceremonies including sprint planning, stand-ups, and retrospectives Design, build, test, and deploy applications within a microservices architecture Develop responsive, real-time front-end interfaces for trading workflows Build proof-of-concepts (PoCs) and UI prototypes to support business requirements Write and maintain integration tests as part of the development lifecycle Collaborate with cross-functional teams to deliver key milestones Provide support for production systems when required Technical Skills & Experience Essential: Strong experience with Next.js, React, and TypeScript Solid front-end engineering experience, ideally within real-time or trading environments Experience with WebSockets or SignalR for real-time communication Backend development experience with .NET (C#) and/or Python Strong understanding of REST APIs and microservices architecture Experience with message brokers (e.g. RabbitMQ or Kafka) Knowledge of caching technologies (e.g. Redis) Experience with Azure DevOps / CI/CD pipelines / Git Working knowledge of SQL and NoSQL databases Experience with cloud platforms (Azure or AWS) Desirable: Experience with containerisation (Docker, Kubernetes) Knowledge of financial systems or trading platforms Exposure to FIX protocol Understanding of asset classes such as FX, derivatives, or similar Qualifications & Experience Degree in Computer Science, Engineering, or a related field 2-3 years' experience in full stack or front-end development Prior experience working on data-driven or real-time UI applications preferred Exposure to Agile delivery environments Key Attributes Proactive and self-motivated, with the ability to work independently Comfortable working in a fast-paced, evolving environment Strong attention to detail and quality Effective problem solver with a pragmatic approach Collaborative team player with strong communication skills
01/04/2026
Contractor
If you are a Full Stack Developer with strong UI experience, we have a new 1-year FTC we'd like to discuss with you. This role would be ideal for someone with 3-5 years' experience and requires 3 days per week onsite in The City of London. About the Company A leading global financial services firm specialising in electronic trading and liquidity solutions is undergoing a significant technology transformation. With an established presence across major financial hubs, the business works with top-tier institutional clients and is investing heavily in modernising its trading platforms and infrastructure. This is an opportunity to join a high-performing, collaborative technology team working on cutting-edge, real-time systems within a fast-paced environment. The Role We're looking for a mid-level Full Stack Developer with strong front-end expertise to play a key role in delivering next-generation trading applications. You'll join a small Agile team, working closely with both technology and business stakeholders on greenfield and enhancement projects, with a particular focus on real-time UI development. This role would suit someone who thrives in a dynamic environment and enjoys building high-performance, user-centric applications. Key Responsibilities Translate user stories into scalable, high-quality technical solutions Contribute to Agile ceremonies including sprint planning, stand-ups, and retrospectives Design, build, test, and deploy applications within a microservices architecture Develop responsive, real-time front-end interfaces for trading workflows Build proof-of-concepts (PoCs) and UI prototypes to support business requirements Write and maintain integration tests as part of the development lifecycle Collaborate with cross-functional teams to deliver key milestones Provide support for production systems when required Technical Skills & Experience Essential: Strong experience with Next.js, React, and TypeScript Solid front-end engineering experience, ideally within real-time or trading environments Experience with WebSockets or SignalR for real-time communication Backend development experience with .NET (C#) and/or Python Strong understanding of REST APIs and microservices architecture Experience with message brokers (e.g. RabbitMQ or Kafka) Knowledge of caching technologies (e.g. Redis) Experience with Azure DevOps / CI/CD pipelines / Git Working knowledge of SQL and NoSQL databases Experience with cloud platforms (Azure or AWS) Desirable: Experience with containerisation (Docker, Kubernetes) Knowledge of financial systems or trading platforms Exposure to FIX protocol Understanding of asset classes such as FX, derivatives, or similar Qualifications & Experience Degree in Computer Science, Engineering, or a related field 2-3 years' experience in full stack or front-end development Prior experience working on data-driven or real-time UI applications preferred Exposure to Agile delivery environments Key Attributes Proactive and self-motivated, with the ability to work independently Comfortable working in a fast-paced, evolving environment Strong attention to detail and quality Effective problem solver with a pragmatic approach Collaborative team player with strong communication skills
Software Engineer - eDV Cleared New Opportunity in Manchester for Backend Developers who want to work on mission-critical, operational projects Can be based in Manchester, Bury, Harrogate Up to £75,000 + Benefits Clearance bonus + company bonus To apply, email:
01/04/2026
Full time
Software Engineer - eDV Cleared New Opportunity in Manchester for Backend Developers who want to work on mission-critical, operational projects Can be based in Manchester, Bury, Harrogate Up to £75,000 + Benefits Clearance bonus + company bonus To apply, email:
