23 of 23 Permanent Senior Full-Stack Engineer Jobs in London

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 (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 – AI Creative Platform 📍 Central London (3 days on-site) | 🕒 Full-time We’re an AI-first technology company building tools that help creators, studios, and brands produce stunning visual content. Our products sit at the intersection … storytelling, and cutting-edge AI—and they’re already used by millions worldwide. We’re now looking for a Senior Full-Stack Engineer to help build and evolve our AI-powered creative platform. This is a high-impact role for someone ...

Time) Role: Full-Stack Engineer – Founding Team Location: London, UK (on-site/hybrid) Type: Full-time, Senior/Experienced About the Role We’re seeking a Full-Stack Engineer to join a dynamic … mind. Help shape technical standards and support junior engineers where needed. What We’re Looking For 3+ years of experience building full-stack applications in a production environment. Proven experience with modern front-end frameworks (e.g., React, Vue, Angular) and strong JavaScript/TypeScript skills. Solid ...

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 ...

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 Full Stack Engineer/Developer (TypeScript Elixir AWS) London/WFH to £100k Do you enjoy problem solving and working with a range of technologies including functional programming languages such as Elixir, using the right tool for the job? You could … progressing your career in a senior, hands-on Full Stack Engineer role at a successful and profitable energy trading market data scale-up. What's in it for you: Competitive salary, to £100k + Significant Equity Hybrid working (3 days London office ...

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 Engineer/Developer (TypeScript Elixir AWS) London/WFH to £100k Do you enjoy problem solving and working with a range of technologies including functional programming languages such as Elixir, using the right tool for the job? You could … progressing your career in a senior, hands-on Full Stack Engineer role at a successful and profitable energy trading market data scale-up click apply for full job details ...

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 ...

with the design team, customers, and the CEO/CTO Build and maintain both front-end and back-end components of features (full-stack ownership) Work with the design team to refine product specifications and user experience Contribute to technical architecture decisions and implementation patterns across … would love to hear from you if you have: 3–5 years’ experience as a full-stack engineer in a fast-growing product-led company (experience as a founding engineer or engineering lead is a plus) Strong proficiency in Python, React, TypeScript ...

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 ...

strategy and product roadmap Requirements Fluent English language speaker. Experience: 5-8 years as a full-stack engineer building production web applications 2+ years at early-stage startups (seed to Series B) Led technical delivery of 2+ substantial features end-to-end (0?production … commerce. A collaborative, high-performance environment spanning London, Shanghai, and beyond. Competitive salary, performance-linked incentives, and flexible working arrangements. Direct exposure to senior leadership, global brand partners, and leading consumer platforms. ...

Senior Full Stack Engineer, you will lead the architecture and development of a complex React + Next.js application that orchestrates long-running jobs, visualises large datasets, and integrates with backend and computational systems. This role is within a fast-growing technology company ...

Senior Full Stack Data Engineer – Decho Group (Part of Accenture) About Decho Group Decho Group is a fast-growing Tech and AI consultancy, founded to solve complex data challenges for governments and enterprises. We specialise in Palantir technologies, advanced analytics … team that thrives on curiosity, collaboration, and bold thinking, working on projects that genuinely change lives and industries. The Role We’re seeking Senior Consultant Engineers who want to apply their technical mastery in AI consultancy and Palantir engineering while shaping the future of data-driven decision-making. ...

make AI safe and reliable for everyone. To help us achieve this, we're seeking a Full Stack Software Engineer to join our team! We're particularly looking for someone with strong Golang, Typescript and Kubernetes experience . Python skills would also … looking for experience of different types of architectures and understanding of the tradeoffs between them. In this role, you'll be a senior contributor to the development and operation of our cutting-edge cloud-based platform. You should have a passion for both science and engineering, a proven ...

Role: Senior Full Stack Developer (C#/.NET) Salary: £90,000 - £130,000 + bonus + benefits Location: Central London - 4-5 days per week onsite Overview Our client is a high-performing, London-based investment management firm specialising in sports trading. Founded … projects with real-world impact, building predictive modelling systems that power automated trading and investment strategies. Key Responsibilities Design, build, and maintain full-stack software solutions in C#/.NET* Develop predictive models for real-time sports trading and analysis* Contribute to greenfield product development with ...

industries Provide solutions to technical problems and be able to implement it. Requirements You're an experienced full-stack engineer with at least 5 years of experience and have a solid understanding of software development principles (such as SOLID) and practices You have ...

serverless applications into AWS cloud Exceptional communication skills within the team and across technical and non-technical stakeholders A passion for mentoring junior engineer, sharing knowledge, and cultivating a collaborative learning environment Flexible and adaptable problem-solving skills, capable of adjusting strategies in response to changing priorities ...

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

About YASO YASO is the operating system for international brands in China, built by a team of China experts, technologists, and startup operators. We provide a plug-and-play solution that manages the full ...