136 jobs found

Senior Backend Engineer (PHP) - OOP, PHP, MySQL, TDD - Fareham, Hampshire. This is an in office role. - Salary circa £60,000 plus benefits 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. JBRP1_UKTJ

Senior Software Developer Location: Derby (Hybrid 1 day in the office per week) Salary: Competitive, dependent on experience Working Hours: 38 hours/week, 8:00am 6:00pm, 4 days per week Our client, a vibrant and growing technology company, is seeking an experienced Senior Software Developer to join their development team. This is an exciting opportunity to work on diverse projects including large-scale data processing systems, enterprise applications, mobile apps and cutting-edge machine learning solutions all within a collaborative and supportive environment. The Role You will be responsible for designing, developing and maintaining complex software systems, working across backend and frontend technologies and supporting web and mobile applications. You will also mentor junior developers, contribute to solution architecture and collaborate with stakeholders to deliver high-quality software. Key Responsibilities Develop and maintain large-scale backend systems using C# .NET / .NET Core Work on requirements analysis, system scoping and solution architecture Build backend solutions to support web and mobile applications Collaborate with team members to solve complex problems and produce high-quality user interfaces Mentor junior developers and share technical knowledge across the team Integrate systems with external platforms such as Salesforce, Xero or Microsoft Dynamics Example Projects Real-time IoT systems communicating via GPRS Enterprise-level native mobile app projects Complex reporting and scheduling systems Rich data analysis, machine learning and AI projects Backend integration with CRM and financial systems Required Skills & Experience C# .NET development (.NET Core) with large-scale system experience LINQ / Entity Framework Experience working with large data sets and complex processing systems Strong experience with GIT source control and JIRA Requirements analysis and system scoping experience 10+ years commercial software development experience (senior level) Bachelor s Degree in Computer Science or related field Desirable Skills Frontend frameworks such as Angular or React Mobile app development (iOS/Android) Cloud hosting experience (AWS or Azure) API / Microservices architecture NoSQL databases (MongoDB, MongoDB Atlas) Kubernetes and Docker containerisation Agile development methodology Personal Attributes Eager to learn and adopt new technologies Strong team player with the ability to work independently Excellent communication skills to explain technical concepts to colleagues and clients Mentoring skills to support junior team members Why Apply This is an excellent opportunity to join a small highly skilled team in a friendly family-run environment working on a range of exciting projects with real-world impact. Our client offers opportunities for professional development, learning new technologies and a flexible hybrid working model. INDEED25

Senior Frontend Developer Remote or Hybrid in Scotland (Edinburgh) £45,000 £60,000 Build software that supports missions beyond Earth. This is a rare opportunity for a Senior Frontend Developer to work on products used in the space sector , helping engineers, researchers and operators design, monitor and manage complex space-based systems. You ll be joining a highly technical, product-focused engineering team building modern web applications that sit at the heart of real satellite and mission operations. The work is challenging, meaningful, and far removed from typical business as usual frontend development. If the idea of applying your frontend expertise to space technology excites you - and you enjoy working on complex, high-impact systems - this role is well worth a look. What you ll be doing Building and evolving intuitive, high-performance user interfaces for space-related products Developing scalable frontend applications using modern React and Next.js patterns Working with reusable component libraries as well as large, mission-critical screens Collaborating closely with backend engineers and UX designers to deliver end-to-end features Helping shape frontend architecture and engineering best practice Debugging, refining and enhancing existing functionality Mentoring and supporting other developers within the team What you ll bring Strong experience with React and modern frontend development Confidence using TypeScript in production systems Experience working with Node.js and API-driven architectures Experience with CI/CD pipelines and version control (Git) An appreciation for good UI/UX and data-heavy interfaces A thoughtful, senior-level approach to collaboration and problem solving Bonus points for Experience working on complex or technical platforms (scientific, engineering or data-led) Exposure to the space sector, aerospace, or mission-critical systems Backend experience or familiarity with Java-based services A background working in agile, cross-disciplinary teams What s in it for you A solid salary up to 60k + great benefits Strong pension contribution Enhanced family-friendly and sick pay benefits Excellent holidays (generous allowance + BH) Employee ownership / share participation scheme Ongoing investment in learning, conferences and skill development A collaborative, inclusive culture where engineers influence both product and direction The chance to work on software that directly supports space missions and satellite operations If you re a Senior Frontend Developer who wants to work on software for space , not just another web app - this role offers the chance to do exactly that. Bright Purple is an equal opportunities employer: we are proud to work with clients who share our commitment to diversity and inclusion in the industry.

Outside IR35 Pay 475 a day 3 month rolling contract ECS Resource Group are currently working in partnership with a global managed service provider, assisting them with the search for a Software Developer on a contract basis. The successful candidate will be working with a Telecoms end client across various projects. Key Responsibilities: Design, build, and enhance a secure application using a modern stack (React frontend, Node.js backend, and supporting Python services). Integrate automated API security testing workflows into the platform, ensuring reliability and accuracy of results. Develop a centralised dashboard to consolidate scan results, including history tracking, filtering, reporting, and alerting capabilities. Package and configure the application for seamless integration into automated CI/CD pipelines. Prepare the solution for cloud deployment on AWS, ensuring scalability, security, and readiness for demonstration environments. Key Skills/Experience: Advanced proficiency in one or more core technologies such as React, Node.js, Python, and CI/CD scripting. Strong experience with cloud platforms, particularly AWS, and infrastructure-as-code tools like Terraform or CloudFormation. Solid understanding of secure software development practices, including OWASP guidelines and threat modelling. Proven ability to produce high-quality technical artefacts such as architectural diagrams, ADRs, design documentation, and runbooks. Hands-on experience with GitHub-based version control and building intuitive, responsive user interfaces. Further job details available upon application. ECS Recruitment Group Ltd is acting as an Employment Business in relation to this vacancy.

Role: Senior Front End Developer Salary: £58,000 - £60,000 per annum Location: Newcastle Upon Tyne (One day a week on site) VIQU have partnered with a national organisation going through an exciting transformation from legacy systems, and so are looking to hire a Senior Frontend developer focused on React. Responsibilities of the Senior Front End Developer: Assist in the design and implementation of frontend solutions using React, HTML, and CSS using modern JavaScript frameworks. Integrate RESTful API s and backend data. Write unit tests using Jest. Implement and manage CI/CD pipelines. Lead and mentor junior developers, teaching best practises and driving continuous improvements. Experience required of the Senior Front End Developer: Previously worked as a senior level developer, for an enterprise level organisation. Hands on experience across HTML, CSS, and React. Experience writing unit tests with frameworks like Jest. Ability to lead and mentor junior developers. Previous experience working with a range of API s to integrate backend data. Experience of implementing and managing CI/CD pipelines. Role: Senior Front End Developer Salary: £58,000 - £60,000 per annum Location: Newcastle Upon Tyne (One day a week on site) Apply now to speak with VIQU IT in confidence. Or reach out to Jack McManus via the (url removed) Do you know someone great? We ll thank you with up to £1,000 if your referral is successful (terms apply). For more exciting roles and opportunities like this, please follow us on IT Recruitment

Senior Backend Developer (PHP) - £55,000 - On-site The Team & Technology The Web Development team is a core part of the business, responsible for building and maintaining the digital platforms that power our user experience. We manage the websites that onboard all users, the customer portals used to manage accounts, and the APIs that support all internal and external applications. Our applications are built using PHP, nginx, RabbitMQ, and Google Cloud Platform (GCP). We work with custom-built frameworks, and full training is provided to ensure you're set up for success. What You'll Do Transform complex technical and business problems into practical, scalable solutions in collaboration with other departments and team members. Bring a strong passion for technology and a continuous-learning mindset. Research emerging technologies and present insights to the team. Establish and champion best practices while mentoring other developers. Develop, maintain, and enhance existing software systems to improve performance, reliability, and user experience. Skills & Experience 5+ years of commercial experience with PHP. Strong understanding of cloud infrastructure, preferably Google Cloud Platform (GCP). Hands-on experience with various data stores such as MySQL and NoSQL (eg, Cassandra). Experience integrating Test-Driven Development (TDD) into your workflow. Excellent debugging, analytical, and problem-solving skills. Familiarity with code profiling tools to optimize performance. Experience with Kubernetes is a strong plus. To apply for this role please submit your CV or contact Dillon Blackburn (see below) Tenth Revolution Group are the go-to recruiter for Data & AI roles in the UK offering more opportunities across the country than any other recruitment agency. We're the proud sponsor and supporter of SQLBits, Power Platform World Tour, and the London Fabric User Group. We are the global leaders in Data & AI recruitment.

Role: Senior Front End Developer Salary: £58,000 - £60,000 per annum Location: Newcastle Upon Tyne (One day a week on site) VIQU have partnered with a national organisation going through an exciting transformation from legacy systems, and so are looking to hire a Senior Frontend developer focused on React. Responsibilities of the Senior Front End Developer: Assist in the design and implementation of frontend solutions using React, HTML, and CSS using modern JavaScript frameworks. Integrate RESTful API's and backend data. Write unit tests using Jest. Implement and manage CI/CD pipelines. Lead and mentor junior developers, teaching best practises and driving continuous improvements. Experience required of the Senior Front End Developer: Previously worked as a senior level developer, for an enterprise level organisation. Hands on experience across HTML, CSS, and React. Experience writing unit tests with frameworks like Jest. Ability to lead and mentor junior developers. Previous experience working with a range of API's to integrate backend data. Experience of implementing and managing CI/CD pipelines. Role: Senior Front End Developer Salary: £58,000 - £60,000 per annum Location: Newcastle Upon Tyne (One day a week on site) Apply now to speak with VIQU IT in confidence. Or reach out to Jack McManus via the Do you know someone great? We'll thank you with up to £1,000 if your referral is successful (terms apply). For more exciting roles and opportunities like this, please follow us on IT Recruitment JBRP1_UKTJ

Senior Backend Developer (PHP) - 55,000 - On-site The Team & Technology The Web Development team is a core part of the business, responsible for building and maintaining the digital platforms that power our user experience. We manage the websites that onboard all users, the customer portals used to manage accounts, and the APIs that support all internal and external applications. Our applications are built using PHP, nginx, RabbitMQ, and Google Cloud Platform (GCP). We work with custom-built frameworks, and full training is provided to ensure you're set up for success. What You'll Do Transform complex technical and business problems into practical, scalable solutions in collaboration with other departments and team members. Bring a strong passion for technology and a continuous-learning mindset. Research emerging technologies and present insights to the team. Establish and champion best practices while mentoring other developers. Develop, maintain, and enhance existing software systems to improve performance, reliability, and user experience. Skills & Experience 5+ years of commercial experience with PHP. Strong understanding of cloud infrastructure, preferably Google Cloud Platform (GCP). Hands-on experience with various data stores such as MySQL and NoSQL (e.g., Cassandra). Experience integrating Test-Driven Development (TDD) into your workflow. Excellent debugging, analytical, and problem-solving skills. Familiarity with code profiling tools to optimize performance. Experience with Kubernetes is a strong plus. To apply for this role please submit your CV or contact Dillon Blackburn on (phone number removed) or at (url removed). Tenth Revolution Group are the go-to recruiter for Data & AI roles in the UK offering more opportunities across the country than any other recruitment agency. We're the proud sponsor and supporter of SQLBits, Power Platform World Tour, and the London Fabric User Group. We are the global leaders in Data & AI recruitment.

Job Title: Senior Systems Developer DETAILS We are seeking a highly skilled Senior Systems Developer with extensive experience in data architecture, system design, and enterprise-level application development. The successful candidate will be responsible for constructing scalable systems, designing robust data models, and guiding the technical direction of backend and data-driven solutions across the organisation. DUTIES & RESPONSIBILITIES Design, develop, and maintain sophisticated backend systems, APIs, and services. Lead architectural decisions to ensure systems are scalable, secure, and high-performing. Implement best practices for software engineering, and cloud-native development. Collaborate with cross-functional teams (Data Engineering, DevOps, Product, QA) to conceptualise and deliver high-quality solutions. Define and implement enterprise data models, data flows, and database schemas. Architect and maintain data pipelines, data lakes, and data warehouses. Optimise data storage, retrieval, partitioning, and indexing strategies for performance and scalability. Ensure data quality, governance, lineage, and compliance with security standards. Develop integrations between internal and external systems utilising APIs, ETL tools, and messaging systems. Automate workflows, monitoring, and deployment processes. Drive platform modernisation initiatives and migrations to cloud. Participate in code reviews, architecture meetings, and technical strategy discussions. Provide expert guidance on system performance, scalability, and troubleshooting. SKILLS, EXPERIENCE & QUALIFICATIONS Bachelor s or Master s degree in Computer Science, Information Technology, or related discipline. Minimum 8 years of experience in systems development, with at least 2 years dedicated to data architecture. Demonstrated success in delivering enterprise-grade systems and data platforms. Strong programming expertise in Python and AI skills. Profound understanding of system architecture, design patterns, and microservices. Hands-on experience with cloud platforms such as AWS, Azure, or GCP. Expertise in SQL and NoSQL database technologies. Knowledge of ETL/ELT frameworks, data modelling and data governance. Familiarity with containerisation and orchestration tools such as Docker and Kubernetes. Awareness of security frameworks, including authentication and authorisation protocols. Analytical and problem-solving capabilities. Excellent communication and documentation skills. Ability to work independently and lead cross-functional teams. Adaptability to rapidly evolving technological environments PREFERRED SKILLS Airflow, dbt, Spark, Kafka, RabbitMQ, Redis. Git, CI/CD pipelines. Experience with data warehousing solutions such as Snowflake, Redshift, BigQuery, or Synapse. Exposure to AI/ML workflows and model deployment. Experience with streaming systems and real-time architecture. Knowledge of event-driven and serverless architectural patterns. The Salary will be £ 42,500 - £ 45,500 DOE Type: Permanent

Senior Golang Developer - Kubernetes - Financial Services Excellent opportunity opens for an experienced Developer strong on Golang with experience in AWS and Kubernetes to join a highly regarded Financial Services entity's London office. You will act as the team lead and play a key role in building mission-critical financial applications that power trading, investment, and risk management systems across the firm. If you are passionate about working in a dynamic, fast-paced environment and are eager to apply your technical expertise to the financial services industry, this is the role for you. Key Responsibilities: Design, develop, and maintain high-performance Back End services using GoLang to support financial applications and services , including trading platforms, investment systems, and risk management tools. Build and deploy cloud-based solutions using Amazon Web Services (AWS), including services such as EC2, S3, RDS, DynamoDB, and Lambda to create scalable, reliable, and secure infrastructure. Implement and manage containerized applications using Kubernetes, ensuring seamless orchestration, scaling, and resilience in a cloud environment. Write clean, efficient, and well-documented code while following best practices for financial systems development, focusing on performance and security. Collaborate with other development teams, business analysts, and stakeholders to define and refine requirements, and ensure that applications meet financial regulatory standards and business needs. Optimize the performance of Back End services, ensuring low-latency responses and high availability, critical for financial services. Implement CI/CD pipelines, automated testing, and monitoring systems to ensure the reliability and stability of production systems. Proactively identify issues and bottlenecks in existing systems and propose solutions to improve the system's performance and scalability. Stay updated with new tools, technologies, and industry trends in cloud computing, containerization, and financial systems to continuously improve development practices and outcomes. Ideal Skills: Proven experience (2+ years) in GoLang Back End development, with a strong focus on performance optimization and building scalable systems for high-volume, high-frequency financial applications. Strong experience working with Amazon Web Services (AWS), including EC2, S3, RDS, DynamoDB, Lambda, and other cloud-native technologies. Hands-on experience with Kubernetes for deploying, managing, and scaling containerized applications in a cloud environment. Solid understanding of financial systems and services, particularly in areas such as trading platforms, investment management, and risk analytics. Experience in building microservices architectures and working with APIs (RESTful, gRPC, etc.) to integrate various systems. Strong knowledge of containerization (Docker) and continuous integration/deployment (CI/CD) practices. Experience with database systems (relational and NoSQL) and working with financial data. Familiarity with DevOps practices and tools to streamline the development life cycle, such as infrastructure-as-code (eg, Terraform or CloudFormation). Ability to troubleshoot and resolve issues in production environments, ensuring uptime and performance in high-pressure, mission-critical scenarios. Excellent communication skills to collaborate effectively with cross-functional teams and stakeholders in a fast-paced financial environment. Experience with serverless computing (AWS Lambda, etc.) to create efficient and scalable solutions. Knowledge of financial industry regulations and standards, particularly around data security and privacy. Familiarity with event-driven architectures or message queues (eg, Kafka, RabbitMQ) for Real Time data processing. Experience with automated testing frameworks and continuous delivery tools like Jenkins, GitLab CI, or CircleCI. Understanding of performance monitoring and observability tools such as CloudWatch, Prometheus, or Datadog. Interested? Please Apply! Golang Go AWS Kubernetes Terraform Bank Banking Finance Financial Services Crypto Blockchain Web3 Trading Exchange Digital Assets Hybrid Flexible Developer Software Engineer Backend Developer Golang Engineer Kafka Apache Kafka RabbitMQ AWS Lambda Cloud Platform

Senior Developer - 400PD - Remote We are seeking a skilled and collaborative Senior Developer to join our engineering team. In this role, you will contribute to the design, development, and maintenance of high-quality backend services and infrastructure platforms. You will work across a modern technology stack and help shape best practices for delivery, automation, and open ways of working. Key Responsibilities Backend Development: Develop and maintain backend services, with Python as the preferred language for new systems. Provide support for services built in Java and .NET, ensuring seamless integration and continued reliability. Enhance and maintain existing solutions using Oracle SQL PL. Database & Data Services: Work with relational databases including Oracle, SQL Server, and Postgres. Optimise data models, queries, and stored procedures to improve performance and maintainability. Infrastructure & DevOps: Build, deploy, and manage applications using cloud platforms such as AWS and Azure. Use modern DevOps tools and practices-including GitHub, Azure DevOps, Docker, Kubernetes, and Linux-based systems-to deliver scalable, reliable services. Implement and maintain CI/CD pipelines with a strong focus on automation, continuous deployment, testing, and monitoring. Quality & Testing: Develop software using Test-Driven Development (TD D ), writing automated tests before implementing code. Ensure high quality across the stack through continuous testing, observability, and feedback loops. Ways of Working: Champion open and transparent engineering practices, including maintaining visible codebases, documentation, design histories, and roadmaps. Collaborate closely with cross-functional teams and contribute to a culture of knowledge sharing and continuous improvement. What We're Looking For Strong experience developing backend services with Python, plus working knowledge of Java and/or .NET. Proficiency in SQL and experience with Oracle PL/SQL or similar technologies. Hands-on experience with cloud platforms (AWS, Azure), containerisation, DevOps tooling, and CI/CD automation. Familiarity with TDD, automated testing frameworks, and modern monitoring/observability tools. A commitment to open, transparent, and collaborative engineering practices. To apply for this role please submit your CV or contact Dillon Blackburn on (phone number removed) or at (url removed). Tenth Revolution Group are the go-to recruiter for Data & AI roles in the UK offering more opportunities across the country than any other recruitment agency. We're the proud sponsor and supporter of SQLBits, Power Platform World Tour, and the London Fabric User Group. We are the global leaders in Data & AI recruitment.

Senior Fullstack Engineer - Fintech Scale-Up (Java, Angular, Azure) Titles: Senior Fullstack Engineer Tech Stack: Java Spring Azure Angular Location: London (Hybrid - 2-3 days/week) Package: 85-95k + 20% bonus The Company: Growing fintech working with major banks on business banking products, providing solutions and serving thousands of businesses. The Role Hiring a Senior Fullstack Engineer to build scalable Java microservices for core banking platforms. Take ownership of key components and work with a talented team on high-performance financial solutions. What you'll do as a Senior Fullstack Engineer: Design and develop Java microservices (Spring Boot, Hibernate/JPA) for backend systems Build cloud-native solutions on Azure with containerization Implement RESTful APIs using Java integrated with banking platforms Develop full-stack features with JavaScript frameworks (Angular) Champion CI/CD, TDD/BDD, and engineering best practices Optimize Java applications for high-volume, high-availability systems What You Need 5+ years experience as a Software Engineer with strong Java/J2EE expertise (Java 8+, Spring, Hibernate) Frontend Angular experience (React may be considered) Cloud experience with microservices (AWS preferred) Docker and Kubernetes hands-on experience Fintech/regulated industry experience preferred Why Join? Java-focused role powering major banking platforms Scale-up energy with enterprise stability Comprehensive benefits + career development programs within software engineering Are you a Senior Fullstack Engineer with skills across Java and Angular? Apply now to discuss this opportunity in fintech.

Principal iOS Developer Salary: 80,000- 100,000 Location: Remote (Quarterly travel to Southampton) We're looking for a Principal iOS Developer to lead the build of a cutting-edge healthtech app that uses computer vision and AI to measure vital signs through a smartphone camera. This role combines hands-on development, technical leadership, and collaboration within a regulated medical software environment. What You'll Do Lead architecture and development of a high-performance iOS app. Work within ISO 13485 / IEC 62304 processes and support product validation. Mentor developers and raise engineering standards. Collaborate with AI/ML, backend, product, and design teams. Drive improvements across testing, automation, and release processes. What You'll Bring Expert-level Swift and strong SwiftUI/UIKit skills. Experience with computer vision (Core Image, AVFoundation, Vision). Deep understanding of multithreading, memory management, and performance optimisation. Strong communication and ability to mentor others. Background in regulated, healthtech, or real-time processing is a bonus. Experience 7+ years of iOS development, including 2+ years in a lead or principal role. Proven delivery of high-quality production apps.

Senior Backend Engineer (PHP) - OOP, PHP, MySQL, TDD - Fareham, Hampshire. This is an in office role. - Salary circa 60,000 plus benefits 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 (url removed) or call (phone number removed) Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy.

Are you an experienced Senior Java Game Engine Developer looking for a new challenge? If you enjoy solving complex technical problems and creating reliable systems, this could be a great next step for you. BENEFITS : 80,000 to 90,000 per year, depending on experience, 30 days holiday, Private healthcare, Pension scheme, London based, hybrid working 3 days work from home About the Role In this role, you will take ownership of developing, enhancing and maintaining Java based game engine components. You will work on core frameworks, introduce improvements that support new features, and contribute to tools that help with performance analysis and simulation accuracy. You will be responsible for writing clean, scalable Java code and helping shape the technical direction of the engine architecture. Strong mathematical thinking is important, as your work will involve probability, statistics and system modelling. About the Company You will be joining a well established technology driven business with a focus on building modern, scalable systems used across multiple products. The team values innovation, collaboration and a positive engineering culture where people are encouraged to contribute ideas and influence technical decisions. The environment suits someone who enjoys autonomy, continuous learning and working on complex challenges with like minded developers. Key Requirements Strong experience with Java development in a commercial environment Background in the mathematics used in engine or feature design, including probability and statistics Confident working with scalable and stable backend systems Able to work with Agile and Scrum environments Excellent written and spoken English Prior experience in the iGaming industry is essential Nice to Have Experience building or optimising algorithms Knowledge of Spring or Spring Boot SQL or relational database experience Familiarity with Git, Maven or similar tooling Understanding of CI pipelines Exposure to Docker or containerised environments Experience with MySQL If you are interested, please apply to the vacancy now and if suitable someone will be in touch soon. Eligo Recruitment is acting as an Employment Business in relation to this vacancy. Eligo is proud to be an equal opportunity employer dedicated to fostering diversity and creating an inclusive and equitable environment for employees and applicants. We actively celebrate and embrace differences, including but not limited to race, colour, religion, sex, sexual orientation, gender identity, national origin, veteran status, and disability. We encourage applications from individuals of all backgrounds and experiences and all will be considered for employment without discrimination. At Eligo Recruitment diversity, equity and inclusion is integral to achieving our mission to ensure every workplace reflects the richness of human diversity.

This year the team has more than doubled in size and there's no signs of slowing! Following huge investment we continued to grow this new Software Engineering function in Southampton. This Senior Developer role would suit some looking to work in a Node.js, JavaScript & GCP environment! As Senior Developer you will Code Development: Writing clear, quality, tested, and well-documented code. Deployment & Maintenance: Managing and supporting multiple services across different environments. Skill Development: Continuous learning and adaptability to new technologies. Backend Focus with Frontend Exposure: Primary focus on backend development, with opportunities to learn frontend technologies. Legacy code is .net but all the cool new funky work will be JavaScript on Google Cloud Platform. As such, if you're a .net Developer local to Southampton and would like to transition to Node.js or already working with the stack, this is what you could be working with: JavaScript/Node GraphQL GCP Mongo Docker & Compose CI/CD React , Tailwind, NextJS Kubernetes Writing good quality code is the focus of this role, working on a hybrid basis with 3 days a week in their new office on the outskirts of Southampton. The salary for this Senior Software Developer role is up to 75,000 with benefits including 25 days holiday, bonus and pension. Apply now or contact Chris Lynes at Spectrum IT Recruitment for more information. Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy.

Senior Developer (Contract, AI-Driven Environment, Node.JS) We re looking for an experienced backend senior developer to support API development and backend delivery for a high-traffic consumer platform. You ll work alongside front-end engineers to build scalable, secure, and performant systems using modern tools and AI-assisted development. 6 month, 3 days a week in Liverpool. OutsideIR35 You ll be a good fit if you: Deliver production-ready APIs fast and independently Have proven experience with consumer-facing platforms Use AI coding tools (Cursor, Claude Code, Codex, or similar) to speed up development Make confident technical decisions with minimal guidance Follow clear architectural standards and established development patterns Understand backend performance, scalability, and security at production scale Build reliable, maintainable APIs and data systems Collaborate effectively with front-end developers to design and implement seamless integrations Apply caching and optimization techniques for high-traffic environments We re not looking for: Developers needing extensive supervision or mentoring Anyone without production experience in consumer-facing systems Those who avoid AI coding tools Core Technical Requirements: Node.js (extensive production experience) - this is key, you must have extensivee experience with this. RESTful API design and development (production experience) Database design and optimization (SQL and/or NoSQL) Authentication, authorization, and security best practices AI coding tools (GitHub Copilot, Claude, Cursor, or similar) Nice to Have: React JS / Next.js (for full stack capability) Payload CMS Azure Microservices architecture

Senior Full Stack .NET Engineer (Contract) Edinburgh or London (Hybrid) 425- 450 per day - Inside IR35 6 Months - Start ASAP A leading UK pensions provider is seeking a Senior Full Stack .NET Engineer with ReactJS to help deliver scalable, high-performing systems as part of a major technology transformation. What you'll bring: Strong commercial experience with C#, .NET or .NET Core ReactJS Proven ability in system design and backend architecture Experience leading technical workstreams Expertise in database performance and optimisation Confident communicator, comfortable engaging stakeholders Familiarity with cloud (Azure) and CI CD practices Process: Technical test One-stage interview with Tech Lead If you're a seasoned engineer ready to make an impact in a modern, collaborative environment - apply now. For more information, please contact Cathcart Technology and ask for Andy.