26 to 44 of 44 Senior Full-Stack Engineer Jobs in the UK

scalable back-end systems that power real-time AI-driven workflows. This role requires strong software engineering skills, a deep understanding of full-stack development, and the ability to work in a fast-paced, AI-first environment. You’ll collaborate with engineers, AI researchers, and product … teams to build enterprise-grade solutions that enable seamless AI-human interactions. You will: Design and build full-stack applications that power AI-driven workflows for enterprise users. Develop high-performance front-end interfaces for AI agent control, monitoring, and visualisation. Build scalable backend services that ...

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 click apply for full ...

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 click apply for full ...

Senior Full Stack/Back End Engineer | £90K | 3 Days Per Week (LDN) | UK's Fastest Growing Data Platform | Node.js & TypeScript I am currently working with the fastest go-to data platform for sports fans. A centralised home where trusted and passionate … critical role in shaping the technical foundations, scalability, and long-term success of the platform from day one. The role As a Senior Backend Engineer with strong TypeScript expertise, you’ll be responsible for designing, building, and evolving the backend systems that power their fan-focused ...

A great energy client based in London is looking for a Full Stack Python Engineer. Fantastic benefits, bonus, training, events, cycling scheme, pension, free breakfast and much more! If you’re ...

What we do. Electric Car Leasing Why we do it. Greener. Fairer. Future. We’re looking for a Senior Fullstack Software Engineer (Python and React) to join our product and engineering team building the systems that power our ability to revolutionize the electric car leasing industry. ...

Security Clearance or ability to get SC in short timescales. About the Role We are seeking a Senior Full Stack Engineer who is passionate about building high‐quality software and designing robust systems. You will work on complex, large‐scale solutions across … collaboration, and continuous learning, and we actively support innovation and knowledge sharing. Your Future Role As a Senior Full Stack Engineer, you will: Design, build, and deploy scalable, high‐quality systems Translate business and client requirements into technical solutions Work directly with ...

thoughtfully rather than rewriting it, and being trusted to deliver without heavy supervision, this role will feel unusually well-matched. The role As Senior Fullstack Software Engineer, you will help design, build and maintain the production systems that power Outsmart’s platform. You’ll work closely … systems that matter. The environment We are a small, intellectually serious company. That has advantages and responsibilities. You will: Speak directly with senior decision-makers when needed Operate without perfect documentation Balance speed with long-term maintainability This role suits someone comfortable with autonomy, accountability and cross-functional ...

services across various use cases, starting with industrial applications. We are looking for a passionate and skilled Senior Full Stack Engineer to join our innovative team in London. Our Mission At Humanoid we strive to create the world’s leading, commercially scalable ...

launch, and we operate like a top-tier creative engineering studio: small team, high taste, high ownership, low bureaucracy. We’re hiring a Senior Fullstack engineer to build the enterprise backbone that makes all of this possible: high-concurrency APIs, event-driven systems, and reliability foundations … high-impact areas: Enterprise-grade architecture Standardised patterns from intake → build → QA → deploy → measure. Secure by default, GDPR-safe, compliance-ready. Full-stack workflow automation Scalable GraphQL APIs, integrations, event-driven systems, monitoring/logging, error handling, and documentation that scales beyond you. What ...

engineers across two teams, and everyone is hands on, including engineering management and the CTO, which helps us keep our processes practical and engineer-friendly. We work to minimise meetings: engineers typically have a 15-minute daily standup for in-progress updates and quick alignment with Product, plus … rotation, with each person covering one week roughly every two months. 🎯 The Role As a Senior Full Stack Engineer at Medify , you will play a pivotal role in shaping our platform and technical direction. Working closely with the CTO and fellow engineers ...

Senior JavaScript Engineers | Green Tech & AI | Full Stack | React.js/Node.js/TypeScript | London 2 Days Per Week | £50K - £120K + Healthy Equity Company: I'm looking for Full Stack Engineers who are excited about elegant systems as they … Tech Stack: -> React, TypeScript, Konva, Tailwind -> Node.js, PostGREST, Prisma -> PostgreSQL/PostGIS, Docker, Atlas -> (Sunsetting Python + FastAPI) Requirements for Mid & Senior JavaScript Engineers | Green Tech & AI | Full Stack | React.js/Node.js/TypeScript | London 2 Days Per Week | £50K - £120K + ...

team operates at pace, with a strong emphasis on ownership, performance, and continuous iteration. The Role - Remote Europe (CET 3 We are seeking Senior Backend focused Full Stack Engineers to join a fully remote, cross-functional team working on high-traffic, production-grade systems. ...

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 ...

Benefits 9% pension contribution Stock Options Health Insurance L&D Budget This is your chance to perform the job you love and make a difference in society whilst doing it! Help this one-of-a ...

Lead/Founding Engineer (Stealth Consumer Startup) We’re currently partnered with a stealth, early-stage consumer startup building a new interactive web platform. They’re looking for a Lead/Founding Engineer to join at an early stage and take ownership of building the product … backend systems and user-facing features Integrating third-party services and lightweight AI functionality where relevant What they’re looking for Strong full-stack engineering experience (modern JS frameworks, APIs, databases) Comfortable owning the entire stack end-to-end Product mindset — able to think ...

We're looking for someone to take significant ownership across the stack of our Python/JS applications (patient and internally-facing). What You'll Do We're still small, so everyone ...

cloud vendors and contribute to our platform and user experience. You will be working across both front-end and back-end technologies. The engineer will collaborate with cross-functional teams to design, develop, and implement cloud infrastructure solutions. What you’ll do · Work with existing open-source products … cloud platform. · Work within secure frameworks, following security best practices. Who You Are Proficient in Back-End Web Development with experience in Full-Stack and Front-End Development Ability to work on existing code as well as develop products and services from scratch Strong understanding ...

team operates at pace, with a strong emphasis on ownership, performance, and continuous iteration. The Role - Remote Europe (CET 3 We are seeking Senior Backend focused Full Stack Engin click apply for full job details ...