1 to 25 of 46 Senior Full-Stack Engineer Jobs in the UK

Senior Software Engineer (AI Focus) - £80,000-£140,000 + Benefits + Shares + Bonus | London, Edinburgh, or Manchester | Hybrid (Up to 3 Days Onsite per Week, usually less) Join one of the UK's most exciting AI consultancies, an official OpenAI Global Partner founded … leadership team who have already built and sold a multimillion-pound tech business. They're expanding rapidly and looking for Senior AI/ML Software Engineers (Backend or Full Stack) with strong Python skills and a genuine passion for AI/ML, scalable systems ...

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 … 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 … 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 design and deliver robust, scalable technology solutions aligned to a strategic roadmap. What youll do Design, build, and maintain reliable, scalable ...

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 ...

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 … 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 Full Stack Engineer | AI-Recruitment SaaS (React & Python) Location: Peterborough/Hybrid Salary: £55,000 £65,000 + Bonus Tech: React (TS), Python (FastAPI), Google Vertex AI, Postgres, GCP Build the Future of AI-Driven Recruitment Are you a Senior … Infrastructure: Google Vertex AI, GCP (Cloud Run), Docker, CI/CD. What Youll Be Doing End-to-End Ownership: Building and shipping full-stack features, from AI analysis visualisations (Chart.js) to advanced workflows. High-Performance UI: Designing complex React components and ensuring our "Command Centre" remains ...

post 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 … 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 ...

Senior Full Stack Engineer AI-Recruitment SaaS (React & Python) Location: Peterborough/Hybrid Salary: £55,000 £65,000 + Bonus Tech: React (TS), Python (FastAPI), Google Vertex AI, Postgres, GCP Build the Future of AI-Driven Recruitment Are you a Senior Engineer who thrives on "greenfield" projects? Do you want to work on a platform where AI isn't just a buzzword, but the core engine of the product click apply for full job details ...

Senior Full Stack Engineer AI-Recruitment SaaS (React & Python) Location: Peterborough/Hybrid Salary: £55,000 £65,000 + Bonus Tech: React (TS), Python (FastAPI), Google Vertex AI, Postgres, GCP Build the Future of AI-Driven Recruitment Are you a Senior Engineer who thrives on "greenfield" projects? Do you want to work on a platform where AI isn't just a buzzword, but the core engine of the product... ...

Senior Full Stack Engineer | AI-Recruitment SaaS (React & Python) Location: Peterborough/Hybrid Salary: £55,000 £65,000 + Bonus Tech: React (TS), Python (FastAPI), Google Vertex AI, Postgres, GCP Build the Future of AI-Driven Recruitment Are you a Senior Engineer who thrives on "greenfield" projects? Do you want to work on a platform where xkybehq AI isn't just a buzzword, but the core engine of the product Are you the right candidate for this opportunity Make sure to read the full description ...

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 ...

Senior Full Stack Engineer £70K -85k UK - Fully Remote Excited by the challenge of working at a fast-moving cybersecurity startup? We're looking for a Senior Full Stack Engineer to join their … React.js, Next.js, TypeScript, Chakra UI, React Query, GraphQL Figma (understanding design and business logic) Ideal Experience: Strong NestJS and TypeScript skills Developing full-stack SaaS platforms. Creating dashboards and working with relational/NoSQL databases. Strong NestJS and TypeScript skills Debugging and troubleshooting complex applications. Bonus ...

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. … 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 ...

Senior Software Engineer (Full Stack) Hybrid working (office once a week), 5 month contract to start immediately, £550-£650pd inside IR35. Our client is looking for a Senior Full Stack Software Engineer to join … their Experience Team on a contract basis. This is a senior, hands-on role with real ownership, influence and technical leadership on the ground. You'll act as a hands-on technical lead within the team, supporting delivery while also shaping technical discovery and direction. This role suits ...

React Duration: 12 months Pay: £759-900/day (PAYE/umbrella) Location: London (hybrid working – 2 days onsite) Senior Full-Stack Engineer – FX e-Trading (React/TypeScript + Java) About the role Help architect and build … coding tools to accelerate delivery, strengthen code quality, and enhance developer experience. What you’ll do 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, and microservices ...

Senior Full Stack Engineer £70K -85k UK - Fully Remote Excited by the challenge of working at a fast-moving cybersecurity startup? We're looking for a Senior Full Stack Engineer to join their ...

(React TypeScript + Java) as a technically strong, hands-on engineer who understands both trading workflows and modern full-stack architecture and can lead delivery of a mission-critical trading platform. Role Overview: Job Title: FX e Trading Senior Full … coding tools to accelerate delivery, strengthen code quality, and enhance developer experience. What you’ll do 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, and microservices ...

cutting-edge platform is shaping the future of property intelligence 👩🏽 About the Role We’re looking for a skilled Senior Full-Stack Engine er to join our lean and fast-moving team. This is a development-focused role where you’ll take ownership … welcome, your primary focus will be on turning technical requirements into production-ready solutions. 🎯 What You’ll Do Design, build, and maintain full-stack features across the platform Develop performant and accessible front-end components u sing React (Vite) + Tailwind CSS Build scalable and type ...

Senior Full Stack JavaScript Consultant Location: Leeds (Hybrid - 2 days on-site) Salary: Up to £80k + Benefits The Role: We're looking for a Senior Full Stack JavaScript Consultant to join a Leeds-based tech consultancy delivering … features, influencing technical decisions, and working closely with clients to deliver high-quality outcomes. This role is ideal for a strong hands-on engineer who enjoys solving problems, writing excellent code, and contributing to technical direction without full delivery ownership. Responsibilities Build and maintain full ...

security. This role will contribute directly towards exciting technology opportunities in the public health sector; specifically in general practice. This is a full-stack role and will be required to work on both our frontend and backend services. You will hold due consideration ...

security. This role will contribute directly towards exciting technology opportunities in the public health sector; specifically in general practice. This is a full-stack role and will be required to work on both our frontend and backend services. You will hold due consideration ...

Senior Full Stack JavaScript Consultant Location: Leeds (Hybrid - 2 days on-site) Salary: Up to £80k + Benefits The Role: We're looking for a Senior Full Stack JavaScript Consultant to join a Leeds-based tech consultancy delivering ...

GenAI Full Stack Engineer - Consultant/Senior Consultant Salary: £60,000 - £70,000 pa + £4,000 Bonus plus benefits, perks and healthcare options Job Type: Permanent - Hybrid/2 x days per week - Travel to client site Base Locations: London, Manchester … Newcastle, Glasgow Overview: We're looking for a GenAI Full Stack Engineer who is passionate about solving real-world challenges through technology. You'll work closely with senior stakeholders both internally and within key clients to create GenAI strategies that translate business ...

GenAI Full Stack Engineer - Consultant/Senior Consultant Salary: £60,000 - £70,000 pa + £4,000 Bonus plus benefits, perks and healthcare options Job Type: Permanent - Hybrid/2 x days per week - Travel to client site Base Locations: London, Manchester … Newcastle, Glasgow Overview: We're looking for a GenAI Full Stack Engineer who is passionate about solving real-world challenges through technology. You'll work closely with senior stakeholders both internally and within key clients to create GenAI strategies that translate business ...