full stack developer jobs in London

Stantec Inc. is seeking a seasoned Senior Full Stack Developer to join our engineering team in the UK. You will balance robust Python backends with sophisticated frontends and AI-driven architectures.You will design and maintain scalable web apps, using Django or similar frameworks, and build dynamic interfaces with Angular, HTMX, and Alpine.js. A strong...

NPAworldwide is seeking a hands-on Senior Software Engineer or Technical Lead to guide teams on a Central Government project. You’ll shape technical directions, design architectures and deliver full-stack solutions using Java, JavaScript, React and TypeScript in AWS, with CI pipelines via GitLab.You’ll drive quality and security, engage with clients, and...

Belitsoft is seeking a Senior .NET Engineer in Greater London. The role involves writing modular and scalable code, ensuring code quality, and collaborating with a diverse team. Candidates should have strong proficiency in PHP (Laravel), React, and experience with PostgreSQL and Docker, along with the ability to deploy solutions to AWS. This position fosters...

Capgemini is hiring a Senior Full Stack Engineer with a focus on AI/ML to lead by example and deliver high-quality software. The role blends hands-on development with stakeholder partnership and setting engineering standards.The position emphasizes frontend ReactJS/TypeScript, strong backend API design, DevOps, and practical AI feature integration. It offers...

BigHand is seeking a Full-Stack Engineer to design and ship Matter Pricing products post-acquisition. You will work on features end-to-end, balancing UI/UX with robust backend services and agentic AI capabilities.The role demands at least 3 years of commercial experience, strong TS/React skills, and a STEM background. You will operate in a hybrid setup with...

Expedia Group is seeking a Software Development Engineer II, Full-Stack to join the Search Results and Recs experience team. You will build React-based user interfaces and backend capabilities, contribute to API design, and own features from requirements through delivery with cross-functional teams.The role emphasizes server-driven UI rollout, migration from...

Creditstar Group is a rapidly growing international consumer finance company seeking a Full Stack Engineer. You will participate in product and platform development, collaborating with the revolving credit product team to build features, frameworks, and scalable backend systems as part of a fully remote team.Ideal candidates have extensive PHP experience,...

A cutting-edge technology company based in the UK is seeking a Senior / Lead Fullstack Engineer to create innovative systems within global enterprises. In this role, you will be designing production-grade systems that handle complex, unstructured data, while taking full ownership of your projects. If you thrive in a high-pressure environment and want to...

Oho Group in London is seeking a skilled Full-Stack + Agentic AI Engineer to join a growing startup. You will own systems end-to-end, from backend services to frontend features, and directly influence real-world infrastructure.With 3+ years in full-stack and agentic AI, you will work with founders to ship production-grade software, contributing to...

Harnham - Data and Analytics Recruitment is seeking a Senior Full Stack Engineer to join a hybrid London-based team. You will build AI agents, develop prototypes, and modernise legacy systems, delivering measurable results across the data platforms.You’ll work with Python, TypeScript, and SQL in a fast-paced environment, collaborating with senior...

SmartChoice International GCC in London is seeking Forward Deployed Engineers to own features end-to-end, working directly with customers to translate complex workflows into scalable software solutions.You will build across the full stack, including frontend, backend, data models and AI/model layers, and ship production software quickly while iterating on...

InvestorFlow in London seeks a skilled Full-Stack Software Engineer to design, develop, and maintain robust APIs and modern user interfaces.You will work across the stack with .NET Core, React, SQL Server, MongoDB, and cloud tools, ensuring secure, scalable applications. Collaboration with product teams and CI/CD pipelines will be essential, with...

Harnham - Data & Analytics Recruitment seeks a Full Stack AI Engineer on a contract basis. Must have SC Clearance, work fully remote in the UK, and operate outside IR35. Immediate start with day-rate £500–£550.You will design and develop full-stack AI apps, build interfaces and APIs, deploy LLM-powered solutions, and manage data stores. Experience with...

A leading digital bank in the UK is seeking a Full Stack Engineer who is comfortable with both front-end and back-end development. You will work on building the tooling necessary for our engineers, as well as writing and debugging code primarily in Java and React. The hybrid work model allows flexibility, supporting up to two remote days a week. The ideal...

LocationLondonEmployment TypeFull timeDepartmentWexlerAbout Wexler:Wexler is building the best AI system for litigation on the planet. We work with some of the world’s largest law firms, helping them to solve their most complex cases, find the winning strategy in each matter, and create clarity from the chaos of documents and facts in each case. We are a...

Keylane UK is seeking a Full Stack Developer to build SiteView with React front-end and Java/J2EE back-end, in a Docker/AWS environment.You will contribute across the development lifecycle, prototype features, write tests, and deploy, collaborating with a small team to deliver scalable SaaS for insurers. You will investigate issues, optimize performance, and...

Cavendish Professionals is seeking a customer-facing Full-Stack / Forward Deployed Engineer to bridge user problems and AI deployment. You’ll design, build, and ship production-grade solutions, working directly with enterprise clients to deliver high-velocity, production-ready architectures.The role demands React/TypeScript/Python expertise, experience...

State Street is seeking an experienced Java Full Stack Developer to join our Digital Asset team. You will deliver end-to-end product experiences across Java back-end services and modern UI components, enabling digital asset capabilities in a regulated financial services environment.You will build REST APIs, orchestrate microservices, and develop responsive...

Online Filings is seeking a Senior Software Engineer to architect and develop our next-generation web application and API. This role requires technical leadership, hands‑on development, and mentoring of junior developers to ensure scalability, security and performance.If you are passionate about software development, enjoy solving complex problems, and are...

Zapp is hiring a senior full-stack engineer to own end-to-end development for iOS, Android, and web experiences. Join an AI-first company building rapid, customer-focused solutions with NestJS, React, and GraphQL.You’ll work across backend, web, and infrastructure, and bring AI into daily workflows to ship impactful features. We value curiosity, energy,...