1 to 25 of 45 Senior Full-Stack Engineer Jobs in the UK

influence engineering direction. Senior Full-Stack Software Engineer Responsibilities Design and build scalable full-stack applications using TypeScript, Node.js, and React Lead the migration from legacy PHP systems to a modern JavaScript/TypeScript stack Develop … practices and engineering excellence Senior Full-Stack Software Engineer Requirements Strong commercial experience in full-stack development with TypeScript, Node.js, and React Experience working with or migrating from legacy PHP systems would be ideal Hands-on knowledge ...

Senior Frontend Engineer/Full Stack Product Engineer - Energy About the Role Our client is hiring a Frontend Engineer/Full Stack Product Engineer to help build the software that their customers … operate with a high level of ownership, move quickly, and help shape both product and engineering direction in a growing business. Senior Frontend Engineer/Full Stack Product Engineer - Role Purpose We are looking for a Frontend Engineer ...

Senior Frontend Engineer/Full Stack Product Engineer - Energy About the Role Our client is hiring a Frontend Engineer/Full Stack Product Engineer to help build the software that their customers … operate with a high level of ownership, move quickly, and help shape both product and engineering direction in a growing business. Senior Frontend Engineer/Full Stack Product Engineer - Role Purpose We are looking for a Frontend Engineer ...

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

Senior Full-Stack AI Engineer Contract Details Location: Sheffield 3 days onsite per week (mandatory) Grosvenor House, 1 Wellington St, Sheffield City Centre, Sheffield S1 4NB Contract Duration: Until 30/11/2026 Rate: £500 per day IR35 Status: Inside IR35 … guardrails, fallback logic, and human handoff mechanisms. Own feature delivery from solution design through deployment and production release. Required Skills & Experience Strong full-stack engineering experience using modern frontend and backend frameworks. Commercial experience with one or more of: Python Node.js Java Proven experience building: REST ...

Senior Full-Stack AI Engineer Contract Details Location: Sheffield 3 days onsite per week (mandatory) Grosvenor House, 1 Wellington St, Sheffield City Centre, Sheffield S1 4NB Contract Duration: Until 30/11/2026 Rate: £500 per day IR35 Status: Inside IR35 … Role Overview We are seeking a Senior Full-Stack AI Engineer to build an end-to-end AI-powered helpdesk product, spanning web applications, backend API click apply for full job details ...

Senior Product Engineer, Full Stack - Energy £70,000 to £95,000 Permanent London, hybrid The opportunity Our client is hiring a Senior Product Engineer, Full Stack, to help build the next generation of customer … business and are pleased to be supporting them again on this important hire. This is a genuinely exciting opportunity for a frontend-strong engineer who wants real ownership, autonomy, and the chance to build products from scratch. They are looking for someone with strong React and TypeScript capability ...

Senior Full-Stack Engineer Introduction Join a specialist platform operating at the heart of telecoms, compliance, and secure business messaging. This is a senior, hands-on role where you’ll take real ownership of a product that underpins trust, validation ...

Title: Senior Full-Stack Software Engineer (TypeScript, React, Node.js … Location: Leeds (2 days per week on-site) Salary: £60,000 - £70,000 + benefits Why Apply? This is a standout full-time Senior Full-Stack Software Engineer role in Leeds within a well-established, private equity-backed UK business ...

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 ...

Hiring | Senior Full-Stack Engineers (Backend Focus) | Global Brand I'm looking for multiple Senior Full-Stack Engineers to join a globally recognised brand on a fully remote contract basis. If you're backend-focused, love building … experience with GCP or AWS - Take ownership and drive work forward without hand-holding - Communicate and collaborate effectively 🚨 Hiring | Senior Full-Stack Engineers (Backend Focus) | Global Brand ...

Senior Full Stack Engineer – AI Helpdesk Platform We are hiring a Senior Full Stack Engineer to help build an enterprise-grade AI helpdesk platform focused on workflow automation, intelligent support experiences, and AI-powered … fallback handling, and human escalation processes. Own features end-to-end from architecture and development through deployment and optimization. Required Skills Strong full-stack engineering experience with modern frontend and backend frameworks. Proficiency in Python, Node.js, or Java. Experience building REST APIs, workflow services, and production ...

RSMB is seeking an experienced and highly capable Senior Full Stack Engineer to play a central role in the design, development, and evolution of our expanding product suite, including Barb Ads Hub, NMO XCM, and our Data Fusion platform. You will join … London, and we are currently operating hybrid working: splitting the week between home and office working. The Senior Full Stack Engineer role: This role sits within the Development team in the Technology department and is critical to delivering scalable, high-performance, data ...

RSMB is seeking an experienced and highly capable Senior Full Stack Engineer to play a central role in the design, development, and evolution of our expanding product suite, including Barb Ads Hub, NMO XCM, and our Data Fusion platform. You will join … London, and we are currently operating hybrid working: splitting the week between home and office working. The Senior Full Stack Engineer role: This role sits within the Development team in the Technology department and is critical to delivering scalable, high-performance, data ...

Client: Large Global Tech Firm Workplace: Fully Remote Length: Until mid-October (extension likely) Description: Were looking for a senior fullstack infrastructure engineer with strong Bazel experience to join a developer tooling workstream focused on scaling and modernising build and CI infrastructure for a large, complex … scale Background in build system migrations or adoptions (e.g. Gradle/Make/CMake Bazel) experience working with large codebases or monorepos senior-level engineer comfortable operating across systems and abstractions If youre a senior engineer who enjoys build systems, CI infrastructure ...

Senior Fullstack Software Engineer (Signals Team) Location: London, UK (Hybrid) Department: Engineering Reports To: Engineering Manager Job Type: Full-Time About the Role We are looking for a Senior Fullstack Software Engineer to join our Signals Team, contributing ...

Senior Full-Stack Engineer (AI, Data, Manufacturing) — Contract to Perm Fully Remote (UK) · £70,000–£80,000 + equity opportunity · Outside IR35 · Long-term role About Us We're a UK consultancy with 10 years of experience building software for manufacturers. … things end-to-end — talk to the client, design it, build it, ship it. A team you'll actually like working with. Principal engineer, frontend dev, analytics consultant — backgrounds in banking and Big Four consultancy. Sharp, supportive, knowledgeable, into the work. We build using AI-first workflows. Claude ...

About the Role We are seeking a Senior Full-Stack Engineer to join our team and help build the next generation of AI solutions. This is a unique opportunity to be a key technical contributor in a fast-paced, innovative environment where … wear many hats and have significant impact on our product and engineering culture. As a full-stack engineer, you'll work across the entire technology stack—from backend services and data pipelines to infrastructure and deployment. You'll collaborate closely with ...

Senior Full Stack Engineer – AI & Emerging Technology Salary Range - £40,000 - £85,000 + Additional lucrative benefits Remote with 2/3 times a month travel to London Offices Candidates must be eligible for SC Clearance The Opportunity We are looking … giving engineers the opportunity to continuously learn and work with modern tooling and frameworks. Responsibilities As a Senior Full Stack Engineer, you will: Design and develop scalable software solutions Translate business requirements into technical implementations Build secure, maintainable, and high-performing applications ...

Senior Full Stack Engineer Role (Typescript)- Up to £100k A fast growing scale up that are making a positive social impact are growing their engineering team! This is a really great opportunity, they are one of the fastest growing companies … give lots away to charity so are doing a lot of good ☺️ They are looking for a Senior Full Stack Engineer to join them at a crucial point in their journey. The Role: Using Typescript end to end, along with AWS, Serverless ...

future of a scalable platforms with your .NET and modern front-end expertise? Perch Group are looking for our a hands on Senior Software Engineer to join the team. At Perch Group , our vision is clear: to lead the UK debt purchase and collection industry … empathetic and customer-centric approach that is at the heart of our success. 🔎 What are we looking for? We are looking for a Senior Software Engineer with strong experience across . NET, SQL Server, frontend technologies, and Content Management Systems (CMS). You should be passionate ...

Senior Product Engineer, Full Stack - Energy £70,000 to £95,000 Permanent London, hybrid The opportunity Our client is hiring a Senior Product Engineer, Full Stack, to help build the next generation of customer ...

About The Role We are looking for a Senior Software Engineer who will be responsible for designing, developing, and deploying high-quality software solutions. You will work on complex software projects, contributing to the architecture, development, and improvement of software systems. This role involves mentoring junior … process optimisation initiatives. Communicate complex technical concepts effectively to non-technical stakeholders. About You Professional knowledge and experience Essential Proven experience in full-stack software development, including design, development, testing, and deployment. Some of the languages and frameworks our teams work with: Java Python C#/ ...

Level: 9 UK Wide We are looking for a Senior Software Engineer who will be responsible for designing, developing, and deploying high-quality software solutions. You will work on complex software projects, contributing to the architecture, development, and improvement of software systems. This role involves mentoring … process optimisation initiatives. Communicate complex technical concepts effectively to non-technical stakeholders. About You Professional knowledge and experience Essential Proven experience in full-stack software development, including design, development, testing, and deployment. Significant hands on experience with Java, Spring Boot and Microservices. Strong understanding of Agile ...

Level: 9 UK Wide We are looking for a Senior Software Engineer who will be responsible for designing, developing, and deploying high-quality software solutions. You will work on complex software projects, contributing to the architecture, development, and improvement of software systems. This role involves mentoring … process optimisation initiatives. Communicate complex technical concepts effectively to non-technical stakeholders. About You Professional knowledge and experience Essential Proven experience in full-stack software development, including design, development, testing, and deployment. Significant hands on experience with Java, Spring Boot and Microservices. Strong understanding of Agile ...