1 to 25 of 52 Contract Full-Stack Development Jobs in London

high standards of security, accessibility, and testing across the codebase Support platform improvements and contribute to continuous delivery practices Skills & Experience Required Strong experience in full stack development using React , Next.js , and JavaScript/TypeScript Proven backend engineering skills using Node.js and/or modern languages like Python , Ruby , Scala , or Rust Solid understanding More ❯

Responsibilities Develop and maintain applications using C#, .NET, and WPF. Work with SQL Server and Oracle databases (T-SQL, PL/SQL). Contribute to integration and application development projects. Collaborate with cross-functional teams to deliver high-quality solutions. Support the migration strategy towards cloud and microservices. Essential Skills & Experience Advanced proficiency in C# and .NET (Windows More ❯

Responsibilities Develop and maintain applications using C#, .NET, and WPF. Work with SQL Server and Oracle databases (T-SQL, PL/SQL). Contribute to integration and application development projects. Collaborate with cross-functional teams to deliver high-quality solutions. Support the migration strategy towards cloud and microservices. Essential Skills & Experience Advanced proficiency in C# and .NET (Windows More ❯

clean, maintainable, and well-documented code, and perform code reviews. Stay updated with industry trends: Keep up-to-date with the latest trends and best practices in web development and share knowledge with the team. Required Qualifications: Bachelor's degree in Computer Science, Engineering, or a related field. Proven experience as a Full Stack Developer or similar role. Proficiency in front-end technologies: HTML, CSS, JavaScript, and front-end frameworks (React must, Angular, Vue.js). Strong back-end development skills: Experience with server-side languages and frameworks (Java and Node.js must, Python, Ruby on Rails). Familiarity with version control systems: Git. Experience with DevOps practices: CI/CD pipelines More ❯

clean, maintainable, and well-documented code, and perform code reviews. Stay updated with industry trends: Keep up-to-date with the latest trends and best practices in web development and share knowledge with the team. Required Qualifications: Bachelor's degree in Computer Science, Engineering, or a related field. Proven experience as a Full Stack Developer or similar role. Proficiency in front-end technologies: HTML, CSS, JavaScript, and front-end frameworks (React must, Angular, Vue.js). Strong back-end development skills: Experience with server-side languages and frameworks (Java and Node.js must, Python, Ruby on Rails). Familiarity with version control systems: Git. Experience with DevOps practices: CI/CD pipelines More ❯

and implement database solutions using Oracle and Microsoft SQL Server. Collaborate with stakeholders to gather and clarify requirements. Ensure adherence to best practices and design principles throughout the development lifecycle. Perform code reviews and provide constructive feedback to peers. Participate in Agile delivery methodologies and CI/CD processes. Essential Skills and Qualifications: Proven experience with finance and More ❯

operational support systems and automation in Python. Proven leadership in code reviews and mentoring. Hands-on experience with Selenium and iOS functional automation. Strong React/JavaScript UI development background. Back-end engineering with Python + Postgres. AI/ML expertise in LLMs, embeddings, and RAG systems. Experience with ETL pipelines, vector databases, and modern DevOps (Jenkins). More ❯

with databases, APIs, and third-party systems. Ensure code quality, maintainability, and compliance with security standards. Troubleshoot, debug, and resolve complex production issues. Contribute to continuous improvement in development processes and tools. Required Skills & Experience: 5–8+ years of experience in Java/J2EE application development. Strong knowledge of Core Java, Spring Framework (Spring Boot, Spring MVC, Spring … best practices. Strong problem-solving, analytical, and communication skills. Preferred: Experience in banking, payments, or financial services domain. Knowledge of front-end technologies (Angular, React, JavaScript) for full-stack exposure. Understanding of security protocols, authentication (OAuth2, JWT), and compliance requirements. More ❯

with a global engineering client who are actively seeking a Fullstack .Net Developer on a long-term contract basis. What you'll need to succeed 10+ years' .Net Development experience, ideally in a large-scale organisation. Strong fullstack experience with Razor, Blazor, & Javascript. Strong experience with Azure Cloud Services. Good understanding of DevOps best practices. Experience with on More ❯

with a global engineering client who are actively seeking a Fullstack .Net Developer on a long-term contract basis. What you'll need to succeed 10+ years' .Net Development experience, ideally in a large-scale organisation. Strong fullstack experience with Razor, Blazor, & Javascript. Strong experience with Azure Cloud Services. Good understanding of DevOps best practices. Experience with on More ❯

performance and scalability. Integrate AI/ML models into production systems, working closely with data scientists to optimize deployment and performance. Design and implement end-to-end full-stack architectures, including front-end UI, back-end services, and database management. Stay updated on emerging AI technologies and assess their feasibility for enhancing application capabilities. Collaborate with More ❯

occasional trips to London office) Contract: 6-months (OIR35) Rate: £400-450 p/day Start date: Asap Key Responsibilities: Design, build, and maintain scalable microservices and full-stack applications. Engineer and manage cloud infrastructure (Azure as primary, AWS/GCP as secondary). Identify and implement cloud cost efficiencies while maintaining performance. Oversee container orchestration … standards in sensitive industries. Provide senior-level support, troubleshooting, and performance monitoring with modern observability tools. Mentor and support junior engineers, collaborating with global teams. Required: Proven full-stack development expertise Node.js, TypeScript, JavaScript, and C#, .NET. Hands-on experience with cloud platforms (Azure preferred, AWS/GCP beneficial). Skilled in Kubernetes, Docker More ❯

and shell scripting. Background in high-volume, distributed processing systems. Familiarity with DevOps tools such as GitHub Actions or Jenkins. Solid grounding in modern engineering principles and full-stack development. Bonus Skills: Airflow, Kafka/Kafka Connect, Delta Lake, JSON/XML/Parquet/YAML, cloud-based data services. Why Apply? Work for a global More ❯

and shell scripting. Background in high-volume, distributed processing systems. Familiarity with DevOps tools such as GitHub Actions or Jenkins. Solid grounding in modern engineering principles and full-stack development. Bonus Skills: Airflow, Kafka/Kafka Connect, Delta Lake, JSON/XML/Parquet/YAML, cloud-based data services. Why Apply? Work for a global More ❯

Role title: Full-Stack Developer (SC Cleared) Location: Hybrid -Bristol or London Sector: Public Clearance Required: MOD SC Contract Duration: 5 months Role Overview: We are seeking an experienced Full Stack Developer to join a secure, high-impact public sector project. The successful candidate will be responsible for designing, developing, and maintaining … Required skills: Proven experience as a Full Stack Developer or similar role Proficiency in front-end technologies and frameworks (React required) Strong back-end development skills (Java and Node.js required) Familiarity with version control systems (Git) Experience with containerisation and DevOps practices (Docker, Kubernetes) Hands-on experience with Red Hat Open Shift Excellent problem … solving skills and attention to detail Strong communication and teamwork abilities Desirable skills: Experience with relational databases (PostgreSQL) Knowledge of cloud platforms (AWS, Azure, GCP) Familiarity with Agile development methodologies Reasonable Adjustments: Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people More ❯

and system integration Proficiency with Microsoft Azure and familiarity with databases, IAM, containers, and deployment tools Comfortable with rapid prototyping tools (e.g., Figma) Solid understanding of the Software Development Life Cycle (SDLC) Responsibilities: Product Engineering & Delivery Build and maintain user-facing applications, tools, and integrations Collaborate with product managers, designers, and stakeholders Write clean, maintainable, well-tested code … Build APIs and services to connect systems across the firm Integrate with internal tools and third-party platforms Support low-code solutions, especially within Power Platform Agile & Iterative Development Work within a modern agile framework Participate in backlog grooming, technical scoping, and story writing Engage in design sessions, code reviews, and retrospectives Security, Quality & Operations Ensure compliance with More ❯

Full Stack Developer | 3 Roles Available | 3 Month Initial Contract | Up to £550 per day (Inside IR35) | London (2 days per week on-site) | Active SC Clearance Required MERITUS are working with a well-established financial More ❯

reducing technical debt. Write clean, well-documented, scalable, and maintainable code. Participate in code reviews and support junior developers where appropriate. Uphold secure coding practices and adhere to development standards. Troubleshoot and resolve production issues as part of ongoing system support. Required Skills & Experience 5+ years of professional software development experience. Proficient in C++11 or later … CSS, and JavaScript. Familiarity with REST APIs, JSON, and web service integration. Experience in maintenance/support roles involving bug fixing and system enhancement. Strong debugging and full-stack problem-solving skills. Proficient in using Git and working within Agile frameworks such as Scrum, Kanban, or Sprints. Collaborative mindset with a proactive approach to team communication … and delivery. Education & Background Bachelor's or Master's degree in Computer Science, Engineering, or a related field. Industry knowledge in full-stack software development is essential. More ❯

Full-Stack Developer - Contract - 6 Months My client a leading name in the energy sector is looking for a full-stack developer with strong frontend capabilities, ideally in React . The candidate must have hands-on experience with AI/LLM technologies, including RAG, prompt engineering, or GenAI systems, with clear evidence … projects. The role offers flexible working arrangements, with travel to the client's offices in Windsor twice a month Key skills include: JavaScript/TypeScript React Cloud-native development (AWS/Azure), CI/CD Ability to collaborate with designers to create user-friendly AI experiences Desirable Experience Experience in innovation teams, startups, or experimental environments Personal projects More ❯

on a 3-month contract. This roles requires experienced individuals who are experienced in Internal Applications and have familiarity with Azure (ideally Azure pipelines). Backend role Dot.Net Development (version 8+) C Entity Framework experience Proficient in Data structures and Architecture Full Stack role Dot.NetDevelopment (version 8+) C Modern React TypeScript (v18+ C Responsibilities … resolve issues across the front end, supporting integration points with back-end services. Maintain design consistency, usability, and accessibility standards across applications. Requirements Proven experience as a Web Development experience. Expert knowledge of React v18+ with TypeScript. Practical knowledge of .NET (C#) and how React applications integrate with it. Familiarity with Azure environments, ideally including Azure Pipelines for More ❯

Full Stack Software Engineer GraphQL | TypeScript | Cloud-Native Based West London, Hybrid working, 1-2 days week on site. Outside IR35. 6 months initial, likely extensions. Were looking for a Full Stack More ❯

AI platform. Build and maintain a web-based "Front Desk" interface for finance-related workflows. Integrate web forms with AI-powered Back End services. Contribute to the design, development, and scaling of chatbots and agent frameworks. Collaborate with product owners, designers, and … other engineers to prioritise and deliver features. Ensure security, compliance, and confidentiality of sensitive financial data. The skills you'll need: Professional software engineering experience. Full stack development expertise (React, TypeScript, Python). Experience with FastAPI or similar Back End frameworks. Familiarity with agent frameworks and AI/ML integration. Experience working with APIs More ❯

of London. They are seeking a Software Engineer to work with them on a contract. The responsibilities of the Software Engineer will include: Hands-on Full Stack development using React as front end and Java 21 as the primary language for back end Work with other teams including Front office risk teams, trading desk … build state of the art front to back pricing and risk solutions, Focus on non-functional requirements from the start increasing maintainability and reliability. Continuous improvement of the development and release environment, tooling, and processes. Work closely with the operation team and users and provide level 3 support as required. The successful Software Engineer will have: Strong fundamental … owner and/or Scrum master), or ability to deliver software on short cycles Evidence of delivering application from inception, to design, and to production String core Java development skills including streams, lambdas, and advanced concurrency APIs Extensive experience and understanding of distributed systems, developing, profiling, and maintaining multi-threaded, asynchronous applications JVM monitoring, profiling, performance tuning, and More ❯

on a 3-month contract. This roles requires experienced individuals who are experienced in Internal Applications and have familiarity with Azure (ideally Azure pipelines). Backend role Dot.Net Development (version 8+) C Entity Framework experience Proficient in Data structures and Architecture Full Stack role Dot.NetDevelopment (version 8+) C Modern React TypeScript (v18+ C Responsibilities … resolve issues across the front end, supporting integration points with back-end services. Maintain design consistency, usability, and accessibility standards across applications. Requirements Proven experience as a Web Development experience. Expert knowledge of React v18+ with TypeScript. Practical knowledge of .NET (C#) and how React applications integrate with it. Familiarity with Azure environments, ideally including Azure Pipelines for More ❯

This is a fantastic opportunity to work a remote Senior Fullstack Developer for a major pharmaceutical company on a long term contract, outside IR35. The key skills required for this Senior Fullstack Developer are: Python React Typescript AI (desirable AWS More ❯