full stack web developer jobs in London

HelloKindred invites applications for a Java Full Stack Developer – Broker Dealer, in a hybrid UK-based role. You will design, develop, and maintain scalable enterprise apps supporting critical business functions with a focus on Java backend and modern front-end components.Experience in UK broker-dealer and capital markets is essential, along with...

Fnality is building the future of financial market infrastructure – creating regulated, blockchain-based payment systems to power tomorrow’s wholesale banking ecosystem. Backed by leading global banks and operating at the intersection of technology, finance, and regulation, we are powering the future of finance, together. There are no precedents for what...

Java Web Developer – Trading Systems(up to 60K)Quant Capital is urgently looking for a Java developer to join our high profile client.My client is a well known financial connectivity provider for the front office. They create a low latency high volume transaction network for Equity and Fixed Income trades. As such they are a firm driven by technology and...

Core ResponsibilitiesLead the design, architecture, and implementation of scalable APIs, services, and accessibility-first user interfacesDeliver AI-native features across both front-end and back-end, spanning carbon accounting, ESG data collection, and sustainability planning capabilitiesDrive the evolution of the platform into modular, event-driven,...

IBM Consulting UK FutureNow seeks a Senior Full Stack Quality Engineer to lead automation across UI, API, services and integration layers during major migration programs. You will design scalable automation, integrate tests into CI/CD and mentor teams in a complex, multi-supplier environment.You’ll work closely with client teams, architects, developers and...

White Swan Data is seeking a skilled Full Stack Engineer in London to join a cross-functional team. You will work across UI development, backend microservices, and data platforms, contributing to a cloud-first architecture using GCP, BigQuery, and PostgreSQL.The role emphasizes ownership, collaboration with stakeholders, and delivering reliable systems from...

A leading payments platform in the UK is seeking a Senior Full-stack Software Engineer to design and develop enterprise-level products. The ideal candidate will have over 3 years of experience with .NET Core and front-end technologies such as React. This role emphasizes collaboration and communication, contributing to the product's continued development, and...

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...

BNY is seeking Engineers who amplify team impact through technical leadership and force‑multiplier behaviors. In this role, you will elevate those around you by raising engineering standards, accelerating delivery, applying sound technical judgment to complex problems, providing thought leadership and coaching others. You will use AI-enabled capabilities...

We are a growing digital team working with a wide range of clients to build, scale and maintain robust, high-quality web applications. Our culture is collaborative, innovative and focused on delivering solutions that make a real impact. We work together to solve interesting technical challenges, continuously improve how we work and build software that we can...

We are looking for a Senior Full-Stack Engineer to join our global Investment Banking client. You will be responsible for the development and overall implementation of AI-enabled web applications in a complex, critical and large cross-departmental and multi-disciplinary area.The role is part of a multi-year transformation journey that will require a...

The opportunityWe are looking for a Software Engineering Manager to lead the Web team delivering Unity platform support to web on desktop and mobile form factors. Our mission is to enable Unity developers to bring their titles to the web seamlessly, bridging functionality gaps and allowing our users to leverage the full power of the Unity Engine across...

EPAM Systems, Inc. in the United Kingdom is seeking a Lead Python Full-Stack Engineer (AI Integration) in a hybrid role. You will drive architecture, lead backend and frontend development with Python and React/TypeScript, and integrate GenAI into production systems.You will ensure coding standards, robust testing, and CI/CD, while guiding Azure deployments...

Atos is seeking a senior software engineering leader to design, develop, and deliver scalable full‑stack cloud-native solutions in the UK. You will mentor engineers, drive DevOps practices, and collaborate with architects, product managers, and clients to ensure technical excellence and delivery alignment with business goals.The role requires extensive...

Application Developer VisOps & Customer Portal Location: London Reporting To: Chief Technology Officer About Us Our client is a leading AI-powered SaaS company that helps businesses unlock the full potential of their first-party data. Their platform transforms complex data into actionable intelligence, enabling clients to drive revenue growth and...

Iterum Trading Limited is seeking a Mid‑Level to Senior Full Stack Developer in London to help build Iterum IQ, focusing on AI/ML‑driven features. You’ll work closely with the Head of Product and a Fractional CTO, shaping architecture and mentoring junior developers.The role offers a path toward Head of Technology, with a hybrid London work arrangement...

SBU - Invent CU - Business Technology Global Grade - B At Capgemini Invent, we believe difference drives change. As inventive transformation consultants, we blend our strategic, creative and scientific capabilities, collaborating closely with clients to deliver cutting-edge solutions. Join us to drive transformation tailored to our client's challenges of...

Fantastic opportunity to join a world class Investment Management business. Send your CV for more info! We are seeking a highly experienced Senior Full Stack Engineer to contribute to the design, development and optimisation of front office applications. This role works closely with the front office, as such the role will require collaborating directly with...

Harrington Starr in London is partnering with a leading investment management technology firm to hire a Full-Stack Developer. This hands-on role works closely with front-office users to develop, support and enhance a business-critical investment platform.You will build features across the full stack, diagnose production issues, deliver enhancements, monitor...

Station is expanding its London engineering team and seeks a Full Stack Software Engineer to own product development from backend services to frontend interfaces. You will work on scalable Python backends, event-driven data pipelines, and modern frontends, delivering production-ready software.The role covers building APIs, data models, and dashboards with...