full-stack web developer jobs in London

Position Title: Full Stack Senior Software Engineer Reports to: Engineering Manager Location:Remote (UK) Contract type: Permanent Sunday Times Tech 100 | Top 10 UK EdTech Company BibliU is an award-winning education company that provides Day 1 access to affordable course materials, making learning more equitable and effective, in addition to providing campus...

DescriptionWe’re seeking a future team member for the role of Full Stack Engineer (Senior Vice President) to join our team. This role is located in London.             In this role, you’ll make an impact in the following ways:Design and develop web front-end and back-end services for a new platform built to automate the management of the...

DescriptionJoin a team where your engineering decisions matter at scale. At JPMorganChase, we build production-grade software that powers critical Global Banking businesses — and we're looking for engineers who take ownership, raise the bar, and grow fast. You'll work in a culture of strong code reviews, fast feedback, and scalable architecture, with real...

Full-Stack Engineer - Operations Engineering TeamHybrid in London - one or two office days per weekWe’re looking for a Full-Stack Engineer to build the systems that power iwoca’s German business.You’ll join the Operations Engineering team, a cross-functional group that builds the proprietary tools (like our CRM) that our German operations staff use...

### **Our Mission** Reduce inequity by helping immigrants move money home by becoming the leading cross-border fintech for immigrants. ### **The Team** - Founded by Harvard grads / 3rd-time founders --- also founded Segovia (successful exit) and GiveDirectly (>300M revenue, fastest-growing NGO). - Top performers from top and varied organizations (e.g.,...

We're putting together a talented team to build the #1 training platform for RunnersWe 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 closed...

Deerfoot Recruitment Solutions in the City of London seeks a skilled software professional to develop and maintain bespoke C#/.NET applications, with strong SQL Server/Oracle experience and front-end knowledge in JavaScript/React.You will work on greenfield projects in a fast-paced, collaborative team that values clear communication, code quality, and...

Humanoid is the first AI and robotics company in the UK, creating the world’s most advanced, reliable, commercially scalable, and safe humanoid robots. Our first humanoid robot HMND 01, is a next-gen labour automation unit, providing highly efficient services across various use cases, starting with industrial applications. We are looking for a...

We are working with a specialist technology organisation that excels in delivering cutting-edge AI, software engineering, and data solutions within secure and complex environments. This company is at the forefront of solving challenging technical problems using modern machine learning and cloud technologies, with a strong focus on innovation and deploying...

We are working with a global financial services company that is rebuilding its international payments platform, operating within the Corporate Payments division. This organisation offers an exciting opportunity to contribute to cutting-edge financial technology in a dynamic environment. The Role - Own features end-to-end, from API and service...

Job OverviewRoleAI Full Stack Engineer (AI & ML Engineer)LocationFenchurch Street, LondonDurationOct 12, 2026 - Dec 15, 2026 (9 Weeks, 2 Days)Hours40 hours/weekRate291 PAYE / 388 UmbrellaCore Technical StackProgramming & APIs: Python, RESTful API development, JSON Schema, Pydantic.AI & LLMs: Gemini, OpenAI, Claude.Frameworks & Orchestration: Google ADK,...

This role is with one of Dex's trusted partner companies. We work closely with their teams to truly understand their culture, goals, and what they're looking for, so we can match you with the right opportunity and give you context about the role before you commit to a process. If you're interested sign up to Dex to apply. Dex is an AI recruiter agent that...

DescriptionABOUT QUANTUMLOOPAIQuantumLoopAI is one of the UK's fastest-growing healthtech companies. Our AI-powered platform, EMMA, is used by hundreds of organisations across the UK to manage communications, automate workflows and deliver better outcomes through intelligent automation. Backed by leading investors and scaling rapidly ahead of our Series A,...

Graduate Agile Full-Stack Engineer At Theodo we aspire to be a “Career Sanctuary” (or a “safe”, career “fast lane”) where opportunities and inclusion are accessible to all, and people are treated with respect and progress based on merit. From Day 1 we will accelerate your technical training so you continue to develop your own learnings and...

About the RoleYou'll build and own the production systems behind Agent Warden - the backend services, frontend dashboards, CLIs, and deployment infrastructure that make the product work end-to-end. You'll ship features fast, keep things simple, and make the systems reliable enough for enterprise customers to depend on. You can see what we're building...

About Neo4j: Neo4j is the graph intelligence platform that transforms data into knowledge to power the next generation of intelligent applications and AI systems. It includes enterprise-ready knowledge graphs for accurate, explainable, and governed AI; the most comprehensive, trusted, and easy-to-deploy graph capabilities across any environment and data...

THE OPPORTUNITY We are building Watcher, a coding agent security product. Watcher is deployed in production and monitors billions of agent tokens per month across engineering teams at agent-building scale-ups and enterprises. We are looking for a product engineer to build and scale Watcher end to end. This role includes backend and frontend components. You...

We are looking for a Python Software Engineer to join our Client Success Team. The vision of the Client Success Team is to establish a proactive, client-aligned feedback loop that accelerates high-impact feature delivery for the Validus Horizon platform. By doing so, the team enhances internal efficiency and delivers greater external client value. This...

Elliott Moss Consulting Pte. Ltd. is seeking a highly motivated Full Stack Developer to join the Agile development team and deliver end-to-end cloud-native solutions. The candidate should design, develop, deploy, and support scalable applications using Node.js and React.js.Responsibilities include containerized deployments with Docker and AWS ECS (Fargate),...

WALT Labs in Greater London seeks a capable Full Stack Developer to build and ship the Companion product suite — an AI-powered automation and intelligence platform.You will implement Companion modules, AI agents, automation workflows, MCP server integrations, and ensure production-grade code with tests and security.Reporting to the VP of Product, you’ll...