senior java full stack developer jobs in London

Spectrum IT Recruitment is assisting a fast-growing UK SaaS company in London to recruit a Technical Lead Full Stack Developer. You will shape and deliver the next generation of customer-facing platforms through a hands-on leadership role in a cloud-based stack.You will be involved from early design to production delivery, leading a high-performing team and...

Crisil is seeking a Senior Full Stack Engineer to build and support market data platforms in a Global Markets context. You will work on end-to-end solutions across UI, APIs and data layers to support data analytics, distribution and usage workflows.The role requires strong full-stack experience, exposure to market data systems and the ability to operate in...

A leading technological organization is hiring a Senior Fullstack Engineer with a backend focus to join their remote team. This role involves core product engineering on the Feeld mobile app and backend systems, requiring extensive backend development experience with TypeScript and AWS technologies. The company promotes an inclusive work culture, offering...

IFS is seeking a Senior Full Stack Engineer to shape and deliver scalable, cloud-based Industrial AI solutions that create meaningful outcomes for customers and the business. You will provide technical leadership across front-end and back-end, influence architectural decisions, and help evolve the platform into a secure, observable product portfolio.You will...

EngineersOfAI is seeking a Senior Engineer who will work on developing solutions for our banking platform, collaborating with diverse teams. The role offers flexible working, primarily based in London but open to candidates across the UK.As a full-stack engineer, you will contribute to various initiatives, with no formal qualifications required, just a...

Plexus Resource Solutions Ltd is seeking a Senior Full Stack Developer to build web and mobile apps, demos and developer tools. You’ll take ideas from brief to deployment, collaborating with engineers, product and partners to turn complex tech into user-friendly products.The role is fully remote with a base salary up to $150k USD annually and equity. 5+...

Mowt is seeking a senior engineer to help build the next generation of our platform. You’ll own end-to-end development across Laravel, MySQL, React web, and React Native mobile, handling payment data at scale.You'll shape architecture, optimize data pipelines on AWS Lambda, and collaborate closely with design to deliver data-rich experiences using Tailwind...

Ares Management in London seeks an experienced Senior Full Stack Engineer to design, develop, and deliver technology solutions powering the firm’s credit investment platform. You will work closely with Credit Engineering and Investment teams to build scalable applications, APIs, and data services, applying modern full-stack practices, cloud-native...

Cato Networks is seeking a Senior Software Engineer to join the secured access engineering team. You will design and build user-facing, product-grade web security solutions that protect customers' online presence, alongside internal infrastructure platforms used across the company.You will take a leading role in designing complex architectures and delivering...

Robinhood Markets, Inc. in London is seeking a Senior Full-Stack Software Engineer to own end-to-end delivery across the Prime platform for institutional clients.You will lead feature development from backend services to frontend and backoffice surfaces, mentoring peers and raising the bar on reliability and design. Expect to work on core settlement,...

Taktile is hiring a Full-Stack Engineer to build features across the AI agent platform, from the backend runtime to the frontend UX. You will work with Python (FastAPI) on AWS serverless, and React/TypeScript on the frontend, delivering production features and improving reliability.The role is hybrid, requiring at least 3 days per week in London, Berlin, or...

Thought Machine is hiring a Software Engineer for London to design and implement features across the stack, including frontend and backend work. The role focuses on security, performance, and delivering high-quality user experiences for banking clients.You will collaborate with backend and frontend colleagues, translate client requirements into concrete...

the company in London is seeking a senior full-stack engineer to help build the next stage of the product. You’ll work across our consumer app, backend, activity integrations and the infrastructure needed to scale.Stack: React Native / Expo / TypeScript | Node.js / Express | PostgreSQL | DigitalOcean. You’ll work closely with the founders in a tiny team...

A fast-growing cybersecurity training platform is seeking a Senior Full Stack Engineer to develop features for millions of learners. This role involves maintaining existing code and collaborating with a cross-functional team. Responsibilities include designing reliable software solutions, mentoring developers, and monitoring system performance. Ideal...

Fireblocks is building the backbone of on-chain access for high‑value transactions across multiple blockchain networks. You will design and deploy scalable backend services, own API components, and drive DeFi protocol integrations.You should bring 7+ years in backend or full‑stack roles, strong Web3 knowledge, and a passion for secure, reliable systems....

Arva AI is revolutionising financial crime intelligence with cutting-edge AI Agents. As a Senior Full-Stack Product Engineer, you will build and iterate on full-stack features of our AI-powered platform, including document fraud detection and web due diligence, and develop systems to automate testing and model improvements.You will work across front-end,...

Grid Dynamics in London is seeking a Senior Kotlin & TypeScript Developer to join a high-performing engineering team. This hands-on full-stack role focuses on trading technology, spanning Kotlin backend services and TypeScript/React frontend applications to support a sophisticated trade store platform.The ideal candidate enjoys working across the stack,...

Portal Biotech Limited in London is hiring two Senior Full-Stack Software Engineers to join the Analysis Platform team. You will design and build backend services, UI and deployment infrastructure powering analyses, runs and reports from our sequencing platform.You will work on data analysis workflows, collaborate with React front-end developers, and...

A technology company based in the United Kingdom is seeking a talented Full Stack Software Engineer to build cutting-edge software solutions. This role involves developing and optimizing APIs, creating responsive frontends, and maintaining databases. The ideal candidate will have proven experience in API development and database management, along with a...

Elsevier is seeking a software engineer to design, develop, test, and deploy cloud-hosted web applications. You will collaborate with an Agile cross-functional team to turn complex requirements into user-focused solutions and continuously improve engineering practices.The role emphasizes modern tech like Java, JavaScript/TypeScript, React/Angular, and TDD...