26 to 50 of 50 Senior Full-Stack Engineer Jobs in London

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 ❯

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 ❯

We8;re looking for a Senior Software Engineer to join our team of 10, working primarily on our web app and workplace platform. While youll be frontend-leaning, youll also act in a tech lead capacity; designing solutions that span our entire stack, including backend services, APIs, and database models. In this role, youll More ❯

About the roleWe're looking for an experienced full-stack Python engineer to join us as the newest member of the Internal Tools team.Our mission is to deliver tools that maximise the effectiveness of employees at Lendable. The team supports both our Operations function and our knowledge workers (Product, Engineering and Data. We have More ❯

An exciting opportunity for an experienced Full-Stack Engineer to help transform a major Fixed Income front-office technology landscape. You'll architect and deliver high-performance, real-time React applications that support trading workflows, working closely with stakeholders to shape a scalable, future-ready platform. Key … Responsibilities: Design and develop modern, real-time React/Java applications for trading workflows Work closely with engineers to build robust, scalable, and low-latency systems Lead full-stack solution design, with a focus on backend performance, reliability, and system integration Translate business and technical requirements into cohesive system architectures Promote engineering excellence, modern development practices … in backend development, ideally with Java, REST APIs, and messaging frameworks Deep understanding of architecture and system design, including distributed and low-latency systems Ability to drive full-stack solutions, with a strong backend focus and solid UI fundamentals Demonstrated experience within a Rates or broader Fixed Income trading environment Strong appreciation for system-level design More ❯

More than 1 billion people globally live with obesity, a major leading indicator of many preventable chronic diseases such as diabetes and heart disease. Eucalyptus is the company behind Juniper, one of the world's largest weight management programs combining More ❯

Senior Full Stack Developer Hybrid (London, Cambridge, or Bristol - 3 days per week) Up to £100,000 + 5% Bonus + Benefits Are you a talented Full Stack Developer looking to work at the forefront of AI and software innovation? We're partnering with a leading international law firm that More ❯

architect, coordinate, and maintain our subsystems. We’re doing all of this against a backdrop of continuous innovation and refinement. The Role We are looking for a Fullstack Engineer (Go + React) to help scale and evolve the core Xapien platform as we grow rapidly. Working directly with our Head of Engineering , you will play a key role More ❯

architect, coordinate, and maintain our subsystems. We’re doing all of this against a backdrop of continuous innovation and refinement. The Role We are looking for a Fullstack Engineer (Go + React) to help scale and evolve the core Xapien platform as we grow rapidly. Working directly with our Head of Engineering , you will play a key role More ❯

architect, coordinate, and maintain our subsystems. We’re doing all of this against a backdrop of continuous innovation and refinement. The Role We are looking for a Fullstack Engineer (Go + React) to help scale and evolve the core Xapien platform as we grow rapidly. Working directly with our Head of Engineering , you will play a key role More ❯

architect, coordinate, and maintain our subsystems. We’re doing all of this against a backdrop of continuous innovation and refinement. The Role We are looking for a Fullstack Engineer (Go + React) to help scale and evolve the core Xapien platform as we grow rapidly. Working directly with our Head of Engineering , you will play a key role More ❯

Position Summary: We are seeking a highly skilled and results-oriented Senior Developer with strong experience in Node.js, TS, PHP and ReactJS to join our fast-growing engineering team. You will play a key role in developing core components of our platform, driving technical excellence, and ensuring our systems scale as we expand. This is … a hands-on role where you’ll design, build, and optimize applications that power thousands of landlords, tenants, and agents across the Dwelly ecosystem. Key Responsibilities: 1. Full-Stack Development: Design and implement backend services in PHP (legacy) and Node.js/TS (new services). Build and maintain modern React frontends, ensuring responsive and accessible user More ❯

Position Summary: We are seeking a highly skilled and results-oriented Senior Developer with strong experience in Node.js, TS, PHP and ReactJS to join our fast-growing engineering team. You will play a key role in developing core components of our platform, driving technical excellence, and ensuring our systems scale as we expand. This is … a hands-on role where you’ll design, build, and optimize applications that power thousands of landlords, tenants, and agents across the Dwelly ecosystem. Key Responsibilities: 1. Full-Stack Development: Design and implement backend services in PHP (legacy) and Node.js/TS (new services). Build and maintain modern React frontends, ensuring responsive and accessible user More ❯

Full Stack Software Engineer (Python, React, AI, 3D) Hybrid London (1-2 days per week) Up to £120,000 + Equity + Benefits Are you excited by the idea of building the future of 3D and spatial intelligence? We're working with an innovative AI company developing a frontier 3D foundation model that's … industries - from robotics and AR/VR to gaming and film - generate and interact with 3D content. They're now looking for a Full Stack Software Engineer to help build their first public-facing product, creating interactive applications powered by cutting-edge AI models. This is a rare opportunity to work at the intersection … from front-end experiences to backend APIs and cloud deployment. Implementing best practices for performance, scalability, and security. What we're looking for: 2+ years' experience in full-stack application development and deployment. Strong skills in both frontend frameworks (React, Next.js, or Vue) and backend technologies (Node.js, Python, Django, or FastAPI). Experience deploying applications in More ❯

We're looking for exceptionally talented Senior Full Stack Engineers with deep expertise in .NET/C# and WPF to join our growing team. In this role, you will lead the full software development lifecycle: from design and implementation to testing, deployment, and ongoing support for our core LegalTech products. You'll More ❯

and integrations, which you will be part of. Libraries and frameworks: gRPC, Redux, React Native, React, Next.js About you: You are a full-stack engineer with at least 5 years' experience You are fast and love to deliver incredible code You can reduce complex problems to simple solutions You want to be part of More ❯