1 to 25 of 34 Contract Full-Stack Development Jobs in London

develop framework is essential - More to React JS and Java script Back-end: Expertise in C# .NET Core, REST APIs, and microservices-based development is essential Python (pyspark): Experience with data pipelines and analytics is a plus. Power BI: Familiarity with developing dashboards and data models. Architecture: Knowledge ...

build-out of a new Engineering CoE . Key Skills React.js, JavaScript/TypeScript (essential, front-end heavy) C#/.NET Core backend development Microservices, APIs, and modern architecture CI/CD, cloud (Azure preferred) Strong engineering practices (code quality, testing, reusable components) Desirable Python or Power ...

capable devices and browsers. Maintain code and write automated tests to ensure the product is of the highest quality. Lead the development team in implementing methodologies that enhance project quality and speed. Troubleshoot and debug to optimize performance. Provide code reviews, feedback, and mentorship to junior developers. Stay ...

scale and modernise applications running on GCP Kubernetes with Python (backend) and Agular (frontend) Essential Skills/Experience: Strong experience with Python backend development (APIs, microservices, application frameworks). Proficiency with modern frontend frameworks (Angular preferred). Experience working with cloud platforms (GCP preferred, AWS/Azure also ...

FastAPI and managing database migrations with Alembic. ● AI Tooling: Familiarity with integrating AI APIs (such as Codex or Claude) and using AI-assisted development workflows. ● Agile Experience: Proven track record working within Agile teams and participating in iterative delivery. ● Core Engineering: Proficiency in Git, REST API design ...

with deep experience in PostgreSQL. · Proficient in building and managing CI/CD pipelines via GitLab. · Skilled in RESTful API · Agile development experience with JIRA for efficient delivery. · Working knowledge of Microsoft Dynamics and Wrangler (preferred). · Exceptional communicator and collaborator with proven mentoring ability. Key Responsibilities ...

currently working with a London-based financial services client who are actively seeking a Senior Fullstack Python Developer to work on the development of a next-generation research platform. What you'll need to succeed : Strong Python software engineering experience beyond exploratory scripts Hands-on experience working with ...

currently working with a London-based financial services client who are actively seeking a Senior Fullstack Python Developer to work on the development of a next-generation research platform. What you'll need to succeed : Strong Python software engineering experience beyond exploratory scripts Hands-on experience working with ...

opportunity for a Full Stack Software Developer to join a busy IT team supporting a multi-application full-stack platform within e-commerce logistics. As the Full Stack Software Developer you will help develop, maintain and enhance core … duties as the Full Stack Software Developer include: Develop and Maintain Features: Build, enhance and support functionality across full-stack web applications using modern frameworks Write Quality Code: Produce clean, well-tested and documented code in line with coding standards and best ...

into working software. Support and enhance existing components, identifying opportunities for optimisation and continuous improvement. Produce clear technical documentation covering solutions, integrations, and development standards. Ensure non-functional requirements such as performance, reliability, scalability, and testability are considered throughout the development lifecycle. Contribute to estimation, planning … fault tolerance. Experience working within Microsoft Azure environments, including hybrid cloud and on-premise deployments. Strong GitHub and source-control practices. Full-stack development capability, with experience spanning UI, business logic, APIs, and data persistence layers. Experience delivering software within Agile/Scrum environments. ...

delivering innovative AI-enabled products within a government-focused environment. This is a hands-on engineering role suited to candidates with strong full-stack development experience who are comfortable working across the entire software lifecycle, from product development through to infrastructure … scale a modern platform that leverages large language models (LLMs) and advanced AI capabilities. Key Responsibilities * Build, enhance and maintain a full-stack application using Next.js, React and TypeScript. * Develop and optimise backend services and data models using PostgreSQL and Prisma. * Work closely with AI engineers ...

seeking experienced Java Developers to join a dynamic delivery team building modern, scalable applications. This role will suit candidates with strong full-stack capability, combining backend Java development with modern front-end technologies such as React. You will work across microservices architecture, contributing … design and delivery in an Agile environment. Key requirements: Strong Java (8+), Spring Boot & Spring MVC experience Experience building REST APIs & microservices Full-stack capability: React, JavaScript, HTML5, CSS/SCSS Knowledge of JEE (JSF, JPA, Servlets, JDBC) Experience with CI/CD (Jenkins, Maven ...

Full-Stack Developer (React Native/Java) | London Hybrid | FinTech | Outside IR35 | React, React Native, Java, AWS | £450-500/day A growing financial technology company is scaling its engineering team as it builds the next generation of modern web and mobile products for global users. … With continued investment into digital platforms and infrastructure, they are looking for experienced Full-Stack Developers to support a major product and technology transformation programme. This role will focus on building scalable applications using React or React Native alongside backend services and APIs using Java. ...

high quality software using modern engineering practices. What you'll do You'll design, build and maintain Java based microservices, applying test driven development and following established engineering standards. You'll work with technologies including Java, Spring Boot, Postgres, Kafka, Docker, React and AWS. You'll contribute … analysis and design. Essential experience Java and Spring Boot Building and maintaining microservice based systems Postgres or other relational SQL databases Test-driven development (JUnit, Mockito or similar) Docker and containerisation CI/CD pipelines (Jenkins or similar) Working in agile, multi-disciplinary teams Desirable experience Kafka Liquibase ...

required: As the Software Engineer (Full Stack) you will possess the following: Strong production experience building and shipping full-stack web applications with TypeScript and React (or close equivalents), backed by a relational database such as PostgreSQL. Comfort picking up and refactoring … will be comfortable working alongside designers, user researchers, and non-engineers as real partners Responsibilities include: Maintaining and refactoring an existing full-stack codebase to keep it accessible, performant, and easy for others to work in Designing and shipping new features end-to-end - from database ...

Full Stack Developer - Active SC, NPPV3, Java Up to £425 per day - Inside IR35 Remote 12 months My client is an instantly recognisable consultancy who require a Full Stack ...

ensuring performance, reliability, and security standards are met Write and maintain automated end-to-end test suites using Playwright as part of the development workflow Contribute to architectural decisions and engineering standards alongside the Technical Architect Carry out thorough code reviews, championing quality and best practice across … SKILLS AND EXPERIENCE NHS or government experience is essential - candidates without this will not be considered Strong, demonstrable senior-level full stack development experience on complex programmes Proficient in Next.js and TypeScript across both front end and back end development Solid ...

ensuring performance, reliability, and security standards are met Write and maintain automated end-to-end test suites using Playwright as part of the development workflow Contribute to architectural decisions and engineering standards alongside the Technical Architect Carry out thorough code reviews, championing quality and best practice across … SKILLS AND EXPERIENCE NHS or government experience is essential - candidates without this will not be considered Strong, demonstrable senior-level full stack development experience on complex programmes Proficient in Next.js and TypeScript across both front end and back end development Solid ...

with the platform team on observability, networking, and dependency management as services land in the cloud estate Required Experience Strong C# and .NET development experience (at least 8 years), including modern .NET and familiarity with the .NET Framework constraints typical of legacy estates Hands-on AWS experience, building … Claude Code, Codex, or equivalent, with a willingness to drive substantial refactors and migrations through them rather than by hand Desireable Experience Python development for tooling, automation, and pipeline work Experience leading large legacy-to-cloud migrations, particularly off on-prem Windows estates Experience designing service templates ...

with the platform team on observability, networking, and dependency management as services land in the cloud estate Required Experience Strong C# and .NET development experience (at least 8 years), including modern .NET and familiarity with the .NET Framework constraints typical of legacy estates Hands-on AWS experience, building … Claude Code, Codex, or equivalent, with a willingness to drive substantial refactors and migrations through them rather than by hand Desireable Experience Python development for tooling, automation, and pipeline work Experience leading large legacy-to-cloud migrations, particularly off on-prem Windows estates Experience designing service templates ...

engineering with modern cloud-native delivery practices, automation, and AI-assisted software development approaches Responsibilities include: * Develop and enhance full-stack applications supporting investment and trading workflows * Build and optimise cloud-based data platforms and pipelines using Snowflake and DBT * Deliver reporting and analytics … assisted software engineering and development tooling * Ensure solutions are secure, maintainable, and aligned to engineering standards Skills required: * Strong full-stack engineering experience within financial services or investment or asset management environments * Hands-on experience with Snowflake, DBT, Sigma, and Power BI * Experience supporting ...

engineering teams, promoting good engineering practices, guiding technical decision-making, and contributing to the developer community. Expertise in designing, building, and maintaining full-stack solutions for public-sector digital services, owning features from development through release. The ability to select appropriate technologies and patterns … ability to work closely with clients and delivery teams in a fast-paced, contract-driven environment with high interaction and accountability. Hands-on development using modern front-end and back-end technologies (e.g. TypeScript, React, Node/Java, APIs, databases). Strong experience building and operating solutions ...

Full Stack Engineer - Azure, C#, .Net, React/ReactJS Outside IR35 12 Month Contract Fully Remote (UK only) £400 - 425 Per Day We're currently working with a London based MedTech ...

expertise to a programme that is making a real difference to patient care across the country. KEY RESPONSIBILITIES Lead the design and development of robust, scalable Java-based applications across the programme Build and maintain cloud-native solutions on AWS, applying well-architected principles throughout Design, develop … test REST APIs to a high standard, ensuring performance, reliability, and security Use Postman for API testing, documentation, and validation across development and test environments Contribute to architectural decisions and technical standards alongside the Technical Architect Carry out thorough code reviews, championing quality and engineering best practice across ...

Senior Fullstack Developer l React Native l Typescript l AWS serverless l end to end features l GraphQL l £550 per day l Outside IR35 l three days a week in London l 6 months ...