26 to 50 of 82 Senior Full-Stack Engineer Jobs in the UK

At a Glance Capsa is an AI platform that accelerates due diligence and deepens insights for Private Equity funds. We are hiring senior software engineers who are comfortable contributing across all layers of the application and developing features end to end. Details: Role : Senior Software Engineer - Full Stack Location : London … companies like QinetiQ and retail tech startups such as Standard AI. The entire team consists of early-stage startup veterans passionate about building exceptional products. The Role A senior software engineer at Capsa is expected to own projects and features from conception to production, working across the stack to deliver improvements to our AI … will have a direct impact on its success. Have the opportunity for fast career growth. Enjoy yourself! Apply if: You have 4+ years of experience as a software engineer in a venture backed startup or top tech firm. You have taken entire products or features from ideation to production and you've measured their impact. You have experience More ❯

Senior Full Stack Engineer, £120k + benefits ECOM Recruitment Posted 5 days ago Great opportunity for Senior Full Stack Engineers to work remotely for a UK based deeptech start-up operating in the AI and cloud infrastructure space. The business is backed by a VC giant … and is in the early stages of its growth. Overview As a Senior Full Stack Engineer, you'll become part of the founding team and would be responsible for helping them scale the company by playing a key role in shaping their culture, systems and overall approach to software engineering. You'll … team. Support rapid growth and early-stage product development in a deeptech context. Qualifications/Experience Established track record of designing and building greenfield systems. Experience with full-stack development and modern cloud-native architectures (multi-cloud preferred). Strong collaboration and communication skills to work with researchers and engineers globally. Remuneration & Benefits Up to £120k More ❯

already serving some of the world's largest companies, providing them with superior credit protection and innovative risk management technology About the role: We're looking for a Senior Engineer with great general skills to join our first-class technical team. An ideal candidate thrives on solving complex problems and is eager to shape how we More ❯

the job done right with minimal interferences for being productive. Linear GitHub Notion Sentry Slack New Relic The ideal profile is a Senior Full Stack Engineer that enjoys building products 0 to 1, you will get to build AI tools that help with the biggest inefficiencies in mobility industry today. This is … you will get to do here at Papaya. 30 min informal intro chat with the CTO 60 min technical pairing exercise with a real world problem with an engineer (No home work) 45 min cultural fit with our CEO Be part of a defining and fast-growing early-stage start-up with a strong bank of clients, backed More ❯

continually expanding database of chemical programs, we are accelerating chemical discovery to improve quality of life and extend the reach of humanity. Job Description: We are seeking a Senior Full Stack Software Engineer to develop the next version of our innovate automated chemistry tech platform. You'll be working in a growing More ❯

which you can use to make soime weeks 2 days a week from home. Please also note - sponsorship is not an option here unfortunately. The role As a Senior Software Engineer, you will: Understand complex business problems then propose and implement technical solutions Have input into the architecture, working closely with the Head of Technology and … other senior team members Work with other engineers and the business to improve user experiences Bring your experience and enthusiasm to our engineering culture Promote excellence with technical mentoring, feedback, and code reviews Participate in planning sessions, retrospectives, stand-ups and demos Join us in curating a codebase to be proud of, driving for quality, maintainability and testability More ❯

which you can use to make soime weeks 2 days a week from home. Please also note - sponsorship is not an option here unfortunately. The role As a Senior Software Engineer, you will: Understand complex business problems then propose and implement technical solutions Have input into the architecture, working closely with the Head of Technology and … other senior team members Work with other engineers and the business to improve user experiences Bring your experience and enthusiasm to our engineering culture Promote excellence with technical mentoring, feedback, and code reviews Participate in planning sessions, retrospectives, stand-ups and demos Join us in curating a codebase to be proud of, driving for quality, maintainability and testability More ❯

which you can use to make soime weeks 2 days a week from home. Please also note - sponsorship is not an option here unfortunately. The role As a Senior Software Engineer, you will: Understand complex business problems then propose and implement technical solutions Have input into the architecture, working closely with the Head of Technology and … other senior team members Work with other engineers and the business to improve user experiences Bring your experience and enthusiasm to our engineering culture Promote excellence with technical mentoring, feedback, and code reviews Participate in planning sessions, retrospectives, stand-ups and demos Join us in curating a codebase to be proud of, driving for quality, maintainability and testability More ❯

which you can use to make soime weeks 2 days a week from home. Please also note - sponsorship is not an option here unfortunately. The role As a Senior Software Engineer, you will: Understand complex business problems then propose and implement technical solutions Have input into the architecture, working closely with the Head of Technology and … other senior team members Work with other engineers and the business to improve user experiences Bring your experience and enthusiasm to our engineering culture Promote excellence with technical mentoring, feedback, and code reviews Participate in planning sessions, retrospectives, stand-ups and demos Join us in curating a codebase to be proud of, driving for quality, maintainability and testability More ❯

which you can use to make soime weeks 2 days a week from home. Please also note - sponsorship is not an option here unfortunately. The role As a Senior Software Engineer, you will: Understand complex business problems then propose and implement technical solutions Have input into the architecture, working closely with the Head of Technology and … other senior team members Work with other engineers and the business to improve user experiences Bring your experience and enthusiasm to our engineering culture Promote excellence with technical mentoring, feedback, and code reviews Participate in planning sessions, retrospectives, stand-ups and demos Join us in curating a codebase to be proud of, driving for quality, maintainability and testability More ❯

Ocean Orchestra - Senior Full Stack Engineer At a glance : 💰 £75–95K + equity 🌍 Climate tech with global impact 🛠 Early engineer, greenfield build 🏠 Remote-first UK + London office a few days 🎯 Autonomy, ownership, and direct impact About the Company Founded in January 2025, Ocean Orchestra aims to be a generational More ❯

Ocean Orchestra - Senior Full Stack Engineer At a glance : 💰 £75–95K + equity 🌍 Climate tech with global impact 🛠 Early engineer, greenfield build 🏠 Remote-first UK + London office a few days 🎯 Autonomy, ownership, and direct impact About the Company Founded in January 2025, Ocean Orchestra aims to be a generational More ❯

Ocean Orchestra - Senior Full Stack Engineer At a glance : 💰 £75–95K + equity 🌍 Climate tech with global impact 🛠 Early engineer, greenfield build 🏠 Remote-first UK + London office a few days 🎯 Autonomy, ownership, and direct impact About the Company Founded in January 2025, Ocean Orchestra aims to be a generational More ❯

Ocean Orchestra - Senior Full Stack Engineer At a glance : 💰 £75–95K + equity 🌍 Climate tech with global impact 🛠 Early engineer, greenfield build 🏠 Remote-first UK + London office a few days 🎯 Autonomy, ownership, and direct impact About the Company Founded in January 2025, Ocean Orchestra aims to be a generational More ❯

Ocean Orchestra - Senior Full Stack Engineer At a glance : 💰 £75–95K + equity 🌍 Climate tech with global impact 🛠 Early engineer, greenfield build 🏠 Remote-first UK + London office a few days 🎯 Autonomy, ownership, and direct impact About the Company Founded in January 2025, Ocean Orchestra aims to be a generational More ❯

Role: Senior Full Stack Engineer Location: Remote Salary: Competitive (Outside IR35) Type 6 month Contract Myn is an AI driven marketplace that connects the candidates, clients and recruiters. Myn collaborates with leading employers to offer exclusive, carefully matched contract and permanent positions. Our Recruitment Partners all have extensive industry experience, and work … to the candidate. Our client is a global professional services company focussed on cost reduction and programme management. They are currently looking for a skilled Full Stack Engineer to join on a 6 month project working fully remote. Key Responsibilities: Architect and implement robust backend services (Node.js, Python, or equivalent) Build responsive, accessible front More ❯

Senior Full Stack Engineer (Backend-leaning) - High-Growth eCommerce Platform London/Hybrid (1 day per week) · c £80,000 + Share Options · VC-backed Series A Startup 🚫 This company is unable to offer visa sponsorship at this time Shape the Architecture of a High-Growth eCommerce Platform We’re working with … eCommerce space that is scaling fast and working with some of the most recognisable fashion brands globally. They’re looking for a Senior Full Stack Engineer (backend-leaning) to take ownership of architecture, data flows, and complex integrations powering a platform used by millions. This isn’t about tweaking themes, it’s … engineers who want to shape tech foundations pre-scale. Interview Process 30-min culture & tech fit conversation 60–90 min technical scenario interview (no whiteboarding) Offer Ideal for senior full stack or backend engineers with TypeScript/React/AWS experience who want to shape architecture at a growing, product-led company. More ❯

Senior Full Stack Engineer (Backend-leaning) - High-Growth eCommerce Platform London/Hybrid (1 day per week) · c £80,000 + Share Options · VC-backed Series A Startup 🚫 This company is unable to offer visa sponsorship at this time Shape the Architecture of a High-Growth eCommerce Platform We’re working with … eCommerce space that is scaling fast and working with some of the most recognisable fashion brands globally. They’re looking for a Senior Full Stack Engineer (backend-leaning) to take ownership of architecture, data flows, and complex integrations powering a platform used by millions. This isn’t about tweaking themes, it’s … engineers who want to shape tech foundations pre-scale. Interview Process 30-min culture & tech fit conversation 60–90 min technical scenario interview (no whiteboarding) Offer Ideal for senior full stack or backend engineers with TypeScript/React/AWS experience who want to shape architecture at a growing, product-led company. More ❯

Senior Full Stack Engineer (Backend-leaning) - High-Growth eCommerce Platform London/Hybrid (1 day per week) · c £80,000 + Share Options · VC-backed Series A Startup 🚫 This company is unable to offer visa sponsorship at this time Shape the Architecture of a High-Growth eCommerce Platform We’re working with … eCommerce space that is scaling fast and working with some of the most recognisable fashion brands globally. They’re looking for a Senior Full Stack Engineer (backend-leaning) to take ownership of architecture, data flows, and complex integrations powering a platform used by millions. This isn’t about tweaking themes, it’s … engineers who want to shape tech foundations pre-scale. Interview Process 30-min culture & tech fit conversation 60–90 min technical scenario interview (no whiteboarding) Offer Ideal for senior full stack or backend engineers with TypeScript/React/AWS experience who want to shape architecture at a growing, product-led company. More ❯

Senior Full Stack Engineer (Backend-leaning) - High-Growth eCommerce Platform London/Hybrid (1 day per week) · c £80,000 + Share Options · VC-backed Series A Startup 🚫 This company is unable to offer visa sponsorship at this time Shape the Architecture of a High-Growth eCommerce Platform We’re working with … eCommerce space that is scaling fast and working with some of the most recognisable fashion brands globally. They’re looking for a Senior Full Stack Engineer (backend-leaning) to take ownership of architecture, data flows, and complex integrations powering a platform used by millions. This isn’t about tweaking themes, it’s … engineers who want to shape tech foundations pre-scale. Interview Process 30-min culture & tech fit conversation 60–90 min technical scenario interview (no whiteboarding) Offer Ideal for senior full stack or backend engineers with TypeScript/React/AWS experience who want to shape architecture at a growing, product-led company. More ❯

Senior Full Stack Engineer (Backend-leaning) - High-Growth eCommerce Platform London/Hybrid (1 day per week) · c £80,000 + Share Options · VC-backed Series A Startup 🚫 This company is unable to offer visa sponsorship at this time Shape the Architecture of a High-Growth eCommerce Platform We’re working with … eCommerce space that is scaling fast and working with some of the most recognisable fashion brands globally. They’re looking for a Senior Full Stack Engineer (backend-leaning) to take ownership of architecture, data flows, and complex integrations powering a platform used by millions. This isn’t about tweaking themes, it’s … engineers who want to shape tech foundations pre-scale. Interview Process 30-min culture & tech fit conversation 60–90 min technical scenario interview (no whiteboarding) Offer Ideal for senior full stack or backend engineers with TypeScript/React/AWS experience who want to shape architecture at a growing, product-led company. More ❯

Axiom is hiring for a high-growth international Fintech building at the intersection of crypto and traditional finance, looking for a proven Senior Full Stack Engineer to help scale its core platforms. This is a fantastic opportunity to work on cutting-edge technology, building products that support global platforms and high-volume … ll be hands-on across the stack, shaping architecture and delivering scalable solutions used by clients worldwide. The Role As Senior Full Stack Engineer, you will: Design, build, and maintain scalable platforms using modern frameworks and tools. Work across backend (Node, SQL) and frontend (Angular) to deliver reliable features. Collaborate More ❯

Axiom is hiring for a high-growth international Fintech building at the intersection of crypto and traditional finance, looking for a proven Senior Full Stack Engineer to help scale its core platforms. This is a fantastic opportunity to work on cutting-edge technology, building products that support global platforms and high-volume … ll be hands-on across the stack, shaping architecture and delivering scalable solutions used by clients worldwide. The Role As Senior Full Stack Engineer, you will: Design, build, and maintain scalable platforms using modern frameworks and tools. Work across backend (Node, SQL) and frontend (Angular) to deliver reliable features. Collaborate More ❯

Axiom is hiring for a high-growth international Fintech building at the intersection of crypto and traditional finance, looking for a proven Senior Full Stack Engineer to help scale its core platforms. This is a fantastic opportunity to work on cutting-edge technology, building products that support global platforms and high-volume … ll be hands-on across the stack, shaping architecture and delivering scalable solutions used by clients worldwide. The Role As Senior Full Stack Engineer, you will: Design, build, and maintain scalable platforms using modern frameworks and tools. Work across backend (Node, SQL) and frontend (Angular) to deliver reliable features. Collaborate More ❯

Axiom is hiring for a high-growth international Fintech building at the intersection of crypto and traditional finance, looking for a proven Senior Full Stack Engineer to help scale its core platforms. This is a fantastic opportunity to work on cutting-edge technology, building products that support global platforms and high-volume … ll be hands-on across the stack, shaping architecture and delivering scalable solutions used by clients worldwide. The Role As Senior Full Stack Engineer, you will: Design, build, and maintain scalable platforms using modern frameworks and tools. Work across backend (Node, SQL) and frontend (Angular) to deliver reliable features. Collaborate More ❯