senior java full stack developer jobs in London

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...

Reelables in London (N1, hybrid) is hiring a Full Stack Engineer to join our product engineering team. You’ll work across the stack, delivering customer-facing features end-to-end—from intuitive user interfaces to APIs and data models that power real-time tracking.You’ll own features, collaborate with customers to translate operational needs into...

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...

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+...

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...

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....

Welocity is seeking a Senior Full Stack Developer to join our London team. You will design, develop, and maintain scalable, high-quality software using Next.js, PostgreSQL, and AWS Lambda.You will lead projects, mentor junior developers, and collaborate across teams to deliver robust solutions. We value innovation and proactive problem-solving, with a focus...

Elsevier in the United Kingdom is seeking a software engineer to deliver secure, scalable software and cloud infrastructure in production. You will design, build, and deploy production-ready solutions in AWS, with CI/CD, monitoring, and incident response as part of a cross-functional Agile team.You will mentor colleagues, contribute to engineering standards,...

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,...

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...

A leading investment management firm in London is seeking an expert Software Engineer to join their Data Products team. The ideal candidate will have proficiency in Python, TypeScript, and React, with 4+ years of software engineering experience. This full-time role involves developing scalable backend systems and full-stack applications while collaborating...

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...

# Senior Full Stack EngineerLondon, United Kingdom · HybridEngineering · Full-timeApply for this job## About the roleWe're building an advertising management platform that helps businesses optimise their social campaigns, with a focus on Meta (Facebook) ads and seamless bulk ad launching. This role is based in London.* Stack: Next.js, React, Tailwind CSS,...

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...

Battenhall Limited in London is seeking a seasoned Software Engineer to lead the technical delivery of production systems, with a backend-leaning full-stack focus. You will own planning, prioritisation and coordination of engineering work across multi-engineer projects in a small, fast-moving environment.You'll work with Python and modern frontend frameworks...

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...

Ebury is building an AI-powered financial crime investigation platform. We seek a Senior Full-Stack Engineer to scale the system from React frontend to Python FastAPI backend and integrate LangGraph-based AI workflows.You will mentor teammates, shape architectural direction, and work across Product, Design and Compliance to deliver impactful features. Join a...

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...

Elastic is seeking a Senior Software Engineer for the Streams UI team to shape and enhance the user interface. You will work on Fleet for Elastic Agent in Kibana and on Streams for log data handling, ingesting, organizing, parsing, enriching, and setting retention.You’ll collaborate with engineers and designers to deliver intuitive UI components and ensure...

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...