full-stack developer jobs in London

Wexler, based in London, is seeking an entrepreneurial full-stack engineer to architect, build and scale agentic systems for document analysis powered by an advanced fact extraction engine.As a Software Engineer, you will shape the technical architecture, work with the founders, and rapidly assume leadership responsibilities in a fast-growing startup with...

ARCA Consulting Ltd. is seeking a seasoned Full Stack .NET Developer to support a major digital programme. You will combine Microsoft backend development with React frontend work and hands-on Azure expertise to deliver scalable cloud solutions.Ideal candidates will have strong C#/.NET experience, Azure DevOps and CI/CD proficiency, and a solid grasp of...

QRT is a global quantitative and systematic investment manager, operating across all liquid asset classes. We are a data- and technology-driven organization applying scientific methods to investing.Our collaborative culture and focus on innovation enable us to solve complex challenges and deliver high-quality returns for our investors. The Spark Team builds...

Scale is seeking a Senior Full-Stack Software Engineer (Forward Deployed) in London to collaborate directly with public sector counterparts and rapidly build AI-powered applications. You will design, implement, and deploy production-grade software that combines AI models with robust front-end UIs and scalable back-end services.You’ll work with a...

Liberty Global is seeking a Lead Full Stack Engineer in London to join the AI Platform team. You will work directly with the VP Software Engineering to design and evolve platforms powering AI-driven experiences across our business.This hands-on leadership role involves shaping architecture, standards and production software that scales securely for millions...

Senior Full Stack Developer Internal Title: Software Engineering Senior Consultant Location: London, UK (Hybrid - typically 1-2 days per month in office) Contract: Permanent, Full-time Package (perm): £70,000 - £85,000 + 10% Bonus + 10% Shares + Benefits (see more below) About Appvia Appvia is a specialist cloud, platform, and solutions engineering...

Fireblocks is the company bringing global finance onchain. Backed by over $1 billion in capital, we are the premier digital asset infrastructure provider trusted by thousands of industry-defining financial institutions, including banks, payment providers, fintechs, and global corporates such as BNY Mellon, BNP Paribas, ANZ Bank, Western Union, Stripe, and...

About Five Rings Five Rings is a proprietary trading firm founded with a vision of combining strategy, innovation and technology to succeed in today’s global markets. With offices in New York, Boca Raton, London and Amsterdam, Five Rings trades in various domestic and international markets, both established and esoteric. Our team constantly seeks new...

Build and own the web platforms behind Morgan’s Grocer — from the online storefront customers shop on to the internal systems that keep our stores and deliveries running. What you’ll work on The online grocery storefront and customer web experience APIs connecting our web, mobile, store, and delivery systems Internal tools for store operations and...

Join 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...

Our Global Structure the company is now part of DoorDash, bringing together teams with even greater reach, scale, and ambition. Depending on your role, you may collaborate with teammates, systems, and leaders across DoorDash and Wolt. Together, we’re unlocking new possibilities as one global team. Staff Software EngineerJoin us in our mission to transform...

Validus Risk Management Limited seeks a Python Software Engineer to join the Client Success Team as a Senior Developer. You will own end-to-end enhancements for the Validus Horizon platform, translating financial and operational requirements into scalable solutions and mentoring CST initiatives.You will design full-stack components, build ETL processes, and...

Department: Engineering Location: London Description Hybrid: 2 days per week in our Tower Bridge office (Wednesdays & Thursdays) money.co.uk exists to help consumers make more informed financial decisions. Our free, online comparison service allows consumers to compare financial products, from credit cards to savings accounts, loans to travel money. We...

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...

Morela is developing an AI operating system for offline, locked-down defence environments. You will work on a product used on government and commercial programmes, shipping features from Python services to a React/TypeScript front-end.The role sits in a high-trust delivery team, collaborating with senior engineers, CTO and customers. The work involves...

A leading technology consulting firm in London is seeking a Full Stack Data Scientist to develop and implement AI solutions. The ideal candidate will combine data science with software engineering capabilities, focusing on machine learning and knowledge graphs. Responsibilities include designing advanced models and collaborating with teams on scalable...

wawa fertility in London is seeking a Full Stack Ruby Engineer to join our hybrid team. You’ll build end-to-end features across the stack, collaborating with clinicians and designers to deliver fast, intuitive interfaces that scale across 14+ countries.You’ll own your domain, ship high-quality code, and contribute to an AI-forward product that transforms...

Millennium is seeking a Full Stack Developer for its Equities Trading Technology team in London. You will design, build, test and support end-to-end features for the Meteorite Web platform, implementing backend services in Java and/or Python and building modern web interfaces with Angular or React.Work with Product Managers and stakeholders to translate...

Oliver Bernard is seeking a Senior Full Stack Engineer – Platform & Data to join our hybrid London-based team. You will specialise in platform and data engineering, tackling infrastructure, reliability, observability, database performance and data pipelines.You will own technical direction across client projects from discovery through to implementation and...

numi, an early-stage AI company building agents for the infrastructure sector, seeks a software engineer to own end-to-end features on a modern TypeScript stack. You’ll ship frontend, backend, and integrations with real ownership from problem to production.Work includes React and Node, APIs, data models, and LLM-backed features. This in-person role is...