1 to 25 of 209 Full-Stack Engineer Jobs in the UK

with an early-stage UK tech startup focused on using data and AI to optimise and accelerate the design of clinical trails. Full-Stack Engineer – Founding Team (London, Full-Time) Role: Full-Stack Engineer – Founding Team … Location: London, UK (on-site/hybrid) Type: Full-time, Senior/Experienced About the Role We’re seeking a Full-Stack Engineer to join a dynamic early-stage deep-tech venture as one of the founding engineers. You will work ...

Full-Stack Engineer – Workflow & Systems Integration (SC Cleared) - AI Start up Role: Full-Stack Engineer – Workflow & Systems Integration Type: Permanent Location: London (Hybrid – on-site commitment expected during early stages) Clearance: Must be eligible for SC Clearance Sector … data environments) Compensation package : Opened to conversations + equity in the organisation Overview An early-stage AI start-up is seeking a Full-Stack Engineer to build the internal backbone underpinning AI-driven workflows, RMS integrations, and secure data operations. This is a hands ...

Full-Stack Engineer (React/Python/AI) Location: London (Hybrid) Salary: £100,000 + Equity About the Company: An early-stage, well-funded tech startup building AI-powered software to help businesses make smarter decisions and improve operational performance . The team … mission-driven, giving you the chance to shape both the product and engineering culture. The Role: We’re looking for a Full-Stack Engineer to join a fast-moving, collaborative team. You’ll work across the stack — crafting sleek UIs in React ...

Senior Full-Stack Engineer (Java & Python) We are seeking a high-impact Senior Full-Stack Engineer to join a growing technology team for a leading investment house supporting market data services within a regulated, enterprise environment. This role … sits at the intersection of data engineering, full-stack development, and business engagement , working closely with stakeholders and external vendors to design and deliver robust, scalable technology solutions aligned to a strategic roadmap. What youll do Design, build, and maintain reliable, scalable data pipelines supporting complex ...

Senior Full-Stack Engineer FX e-Trading London Atrium EMEA is looking for several Senior Full-Stack Engineer with good experience of FX e-Trading (React/TypeScript + Java) to help architect and build … delivery, strengthen code quality, and enhance developer experience. 4 days onsite in London. PAYE/Umbrella options. Lead design and development of full-stack features: React/TypeScript web apps, desktop container integrations (OpenFin or similar), and Java services. Architect and implement scalable, event-driven ...

Senior Full-Stack Engineer – FX e-Trading – London Atrium EMEA is looking for several Senior Full-Stack Engineer with good experience of FX e-Trading (React/TypeScript + Java) to help architect and build … delivery, strengthen code quality, and enhance developer experience. 4 days onsite in London. PAYE/Umbrella options. Lead design and development of full-stack features: React/TypeScript web apps, desktop container integrations (OpenFin or similar), and Java services. Architect and implement scalable, event-driven ...

Senior Full-Stack Engineer (Java & Python) We are seeking a high-impact Senior Full-Stack Engineer to join a growing technology team for a leading investment house supporting market data services within a regulated, enterprise environment. This role … sits at the intersection of data engineering, full-stack development, and business engagement , working closely with stakeholders and external vendors to click apply for full job details ...

summary Date posted: 18 January 2026 Pay: £55,000.00-£69,955.55 per year Job Description: Senior Full-Stack Software Engineer (C#, PHP, JavaScript) Salary: £55,000 – £70,000 (dependent on experience) Location: Hybrid – 40% remote/60% office-based Main Office: Uralensis Innov8 … while also contributing to the planned consolidation into a modernised .NET platform. Proficiency in JavaScript is essential, not only for full-stack development but also for working with interoperability frameworks such as Mirth Connect (NextGen Connect) used in healthcare integration. You will play a leading role ...

Role: Software Engineer - Full-Stack - TypeScript, Node.js Location: London Working Model: Hybrid - 3 Days Salary: Up to £99,000 Ready to build tech that actually means something? This team is powering the next generation of electrification — EVs, solar, batteries, heat pumps, smart devices … want ownership, modern tech, and work that actually matters? This one’s worth a serious look. Why This Role Rocks You work full-stack: TypeScript, Node, React, React Native (bonus). You ship features end-to-end — design → build → deploy → monitor. You join a proper engineering ...

Senior Full-Stack Engineer (Backend-Leaning) – SaaS + AI Join a seed-stage SaaS startup backed by leading VCs, adopting AI to redefine their product. They’re pre-PMF, mid-pivot, and need a hands-on engineer (~80% coding) to help build … define, and scale. 💰 Comp: Up to £100k + strong early stack equity package 🧑 💻 What you’ll do Full-stack engineering, backend-leaning (Next.js FE + BE, Node.js, TypeScript, legacy Python) Collaborate with product & CEO to shape the roadmap Help guide a small, senior team ...

want someone who can shape both the product and the code . What You’ll Do Design, build, and maintain full-stack features from concept to production Develop backend services using C#/.NET Create rich, interactive frontend experiences using Vue.js and TypeScript Work with PostgreSQL … performance Collaborate closely with product teams, customers, and founders Contribute to technical decisions, architecture, and engineering culture Who You Are Experienced in full-stack development Skilled with C#/.NET, Vue.js, TypeScript, and PostgreSQL Comfortable with Docker, cloud deployment, and performance tuning Product-minded — you care ...

Lead Full Stack Developer Location: Crawley (Hybrid 3 days onsite) Salary: Up to £72,000 An international managed service provider is seeking a hands-on Lead Full Stack ...

Lead Full-Stack Developer (Software Engineer Programmer Developer ReactJS React-JS React.JS GraphQL Playwright TypeScript Redux Saga Ag-Grid Fixed Income JavaScript Node Credit Rates Bonds Agile Buy Side Asset Manager Investment Management Finance Front Office Trading Financial Services UI Front End Front … Kafka) required by our trading software client in Manhattan, New York City. You MUST have the following: Strong experience as a Lead Full-Stack Developer/Software Engineer/Programmer Excellent JavaScript and TypeScript Golang or Java Experience building Front Office trading systems (portfolio ...

Lead Full-Stack Developer (Software Engineer Programmer Developer ReactJS React-JS React.JS GraphQL Playwright TypeScript Redux Saga Ag-Grid Fixed Income JavaScript Node Credit Rates Bonds Agile Buy Side Asset Manager Investment Management Finance Front Office Trading Financial Services UI Front End Front … Kafka) required by our trading software client in Manhattan, New York City. You MUST have the following: Strong experience as a Lead Full-Stack Developer/Software Engineer/Programmer Excellent JavaScript and TypeScript Golang or Java Experience building Front Office trading systems (portfolio ...

REMOTE Lead Full-Stack Developer (Software Engineer Programmer Developer ReactJS React-JS React.JS GraphQL Playwright TypeScript Redux Saga Ag-Grid Fixed Income JavaScript Node Credit Rates Bonds Agile Buy Side Asset Manager Investment Management Finance Front Office Trading Financial Services UI Front End Front … Kafka) required by our trading software client in Manhattan, New York City. You MUST have the following: Strong experience as a Lead Full-Stack Developer/Software Engineer/Programmer Excellent JavaScript and TypeScript Golang or Java Experience building Front Office trading systems (portfolio ...

REMOTE Lead Full-Stack Developer (Software Engineer Programmer Developer ReactJS React-JS React.JS GraphQL Playwright TypeScript Redux Saga Ag-Grid Fixed Income JavaScript Node Credit Rates Bonds Agile Buy Side Asset Manager Investment Management Finance Front Office Trading Financial Services UI Front End Front … Kafka) required by our trading software client in Manhattan, New York City. You MUST have the following: Strong experience as a Lead Full-Stack Developer/Software Engineer/Programmer Excellent JavaScript and TypeScript Golang or Java Experience building Front Office trading systems (portfolio ...

Full Stack Developer Location: Luton (Hybrid – 3 days per week on-site) Day Rate: £552.50 Inside IR35 Duration: 6 months The Role We are seeking a skilled Full Stack ...

Senior Full-Stack Engineer – TypeScript/React/AWS 💰 Up to £90,000 + Equity | Fully Remote (UK) 💻 Tech Stack: TypeScript, Node.js, React.js, AWS ✅ Slight backend lean We’re on the hunt for a hands-on Senior Engineer to join … architecture & AI products Fully remote, but part of a high-performing, collaborative team 📩 Interested? Send over your CV + notice period. 🚀 Senior Full-Stack Engineer – TypeScript/React/ ...

Lead Full Stack JavaScript Consultant Location: Leeds (Hybrid - 2 days on-site) Salary: Up to £100k + Benefits The Role We're seeking a Lead Full Stack ...

people experience payments and are dedicated to building innovative, secure, and scalable systems. Role Summary We are looking for a full-stack engineer to join our engineering team. You will be joining a team responsible for (not limited to) maintaining and building api-gateways … authorization solutions and user and partner onboarding APIs. This role blends software engineering, research and app security. You are a versatile Senior Full-Stack Engineer wanting to help us build our next generation payment orchestration platform. You should be passionate about creating robust, secure ...

Senior Full-Stack Engineer FX e-Trading London Atrium EMEA is looking for several Senior Full-Stack Engineer with good experience of FX e-Trading (React/TypeScript + Java) to help architect and build ...

Senior Full Stack Developer Location: Edinburgh (Remote-first, with occasional office visits) Salary: £50,000 – £60,000 per year + competitive benefits About the Role We’re looking for a Senior ...

title: Senior Full-Stack AI Engineer Location: GSK HQ Team: Enterprise AI - Data Science UK Contract: 6 months Overview GSK is a science-led global healthcare company with a special purpose: to help people do more, feel better, live longer. … uniting science, technology, and talent to get ahead of disease together. Role Overview GSK are seeking a Senior Full Stack AI Engineer with a strong focus on frontend engineering, user experience and product delivery. You will lead the design and implementation of immersive, interactive ...

Full Stack Developer Role Title: Full Stack Developer Location: Warwick (Hybrid – 3 days per week on-site) Day Rate: £510 Inside IR35 Duration: 6 months Role Overview ...

Location: Bristol, Cambridge, London, Manchester Position Summary Connect to your Industry Do you want to be at the heart of some of the biggest and most ambitious programmes undertaken to keep our country safe? We ...