full stack developer jobs in London

We are looking for a Full-Stack Engineer to build the Eigent desktop and web application. You will own the front-end architecture of our AI agent platform — a React/Electron app that lets users orchestrate, monitor, and interact with AI agents in real time.ResponsibilitiesArchitect and build features across the React/Electron desktop app and Next.js web...

Morela is seeking an Embedded Full Stack Engineer for a 6-month initial contract, Outside IR35, based in London with hybrid work. The role involves building Python back-end services and a React/TypeScript front end, embedded within a client team and responsible for secure deployments and ongoing delivery across a cloud-based platform.You will work on a...

Wondersphere, a London-based branding and digital studio, is seeking a Senior Full-stack Developer to own the technical direction of sophisticated websites and digital platforms. You will collaborate with strategy and design teams to translate complex requirements into robust, scalable solutions.You'll lead development alongside a freelance Technical...

Robinhood in London is seeking a Senior Full-Stack Software Engineer to own end-to-end features across Prime surface, from backend services to frontend and backoffice screens. You will lead engineers through ambiguous problems, set the technical bar for resilience, and own work across settlement, onboarding, reporting, and operations tooling.This role...

Citi in London seeks a VP-level Full Stack Engineer to design and develop high-performance trading tools, blending Kotlin/Python backend with Python-based frontends. You’ll own features end-to-end in a DevOps environment, partner with traders and product teams, and mentor peers in a fast-moving Equities Tech group.The role offers hybrid work, a competitive...

FlexTrade Systems is a provider of customized multi-asset execution and order management trading solutions for buy- and sell-side financial institutions. Through deep client partnerships with some of the world's largest, most complex and demanding capital markets firms, we develop the flexible tools, technology and innovation that deliver our clients a...

HCLTech is seeking a Senior Java Engineer to strengthen its RMS Trade Processing platform. You will design and deliver scalable full-stack solutions using Java, Spring Boot, Angular, and React, contributing across backend and frontend components in a business-critical system.The role requires 8+ years of enterprise software experience, expertise in RESTful...

We're putting together a talented team to build the #1 training platform for Runners We help everyday runners become outstanding by building an incredible app providing world‑class training, coaching and community for everyone, whether you're improving your 5k time or training for your first marathon. We’re growing extremely fast! In November 2023 we...

Mountain Warehouse is seeking technically strong senior developers to join our development teams across Web Development, Customer Experience & Service, and Buyers & Merchandising. The role involves working on a mix of internal services and public-facing apps using C#, SQL Server, Next.js, React & TypeScript, with monoliths and microservices in cloud,...

BNY Wealth Services Platform seeks multiple Full-Stack Engineers in London or Manchester. You will design, build, test, and deploy scalable applications across front-end and back-end, aligning with business needs.You will collaborate with product, operations, and security to deliver practical solutions, writing quality code and contributing to core...

PlannerPal is seeking a Senior Full-Stack Engineer to bridge application development with a strong background in DevOps and enterprise-level engineering. You will design and build key features, develop CI/CD pipelines, and deploy AI-enabled services on AWS.The role offers remote-first work within the UK and close collaboration with founders during a defining...

A leading digital bank is seeking a talented data professional to join their dynamic team in Greater London. The role requires expertise in designing REST APIs, coding in Java, and developing modern front ends using React. This position offers a hybrid working model and numerous benefits including 33 days holiday, medical insurance, and flexible working...

ScienceMachine in London is seeking a Senior Full Stack Engineer to join the founding team, owning both product and infrastructure development. You will work across frontend interfaces used by scientists, API design, and deployment pipelines in a fast-moving environment.You will design and build robust backend services with Python, manage Terraform-driven...

Quantum is seeking a Senior Full Stack Engineer to grow our Technology team in Greater London. You will help shape and scale our platform, delivering high-quality development across frontend and backend systems while mentoring teammates and driving continuous improvement.You will work across Next.js/React-based frontends and Node.js/Express backends,...

Lennox Soft in London (Shoreditch) seeks a Senior Full-Stack Cloud Engineer to architect and ship resilient cloud-native applications for European clients. You will leverage TypeScript, React, and Laravel/Node.js to build scalable web systems and orchestrate serverless and containerized workloads on AWS.You will ensure compliance with GDPR privacy standards...

Our Future Health is hiring a full-stack focused mid-level Software Engineer to join our Research Enablement squad in London. You'd work with a Staff Software Engineer and a Security Engineer, taking ownership of frontend, backend and infrastructure across the stack in a collaborative, cross-functional setting.The role emphasizes high-quality code,...

About the Job you are considering:We are hiring a Senior Full Stack Engineer AI , AIML focused with strong technical leadership to join our team in Sheffield This role is hands on and suited to someone who can lead by example partner with stakeholders and help shape engineering standards while delivering high-quality software at paceHybrid working:The places...

Burns Sheehan Limited partners with a rapidly scaling AI product company in London to hire a Senior Product Engineer. You will own features end-to-end, collaborating with Engineering, Product and Design to shape AI-powered experiences that drive real customer value.The role requires hands-on leadership across frontend and backend, with strong experience in...

Neo4j in London is seeking a software engineer with deep frontend expertise to join our Graph Engine team. React will be your core strength, but this is a genuinely full-stack role spanning backend, cloud, and connectivity.You'll guide the UI's technical direction, collaborate with engineers across the stack, and mentor others as you contribute from frontend...

A leading AI technology company in London is seeking a Senior Full-Stack Software Engineer to develop innovative AI applications for the public sector. This role requires at least 5 years of engineering experience, specifically with React and cloud technologies. The position involves close collaboration with clients, ensuring high-quality application...