51 to 75 of 102 Full-Stack Engineer Jobs in the City of London

Benefits 39 days holiday 9% pension contribution Stock Options This is your chance to perform the job you love and make a difference in society whilst doing it! Help this one-of-a-kind Social Good platform change the world More ❯

Senior Full-Stack Engineer (TypeScript & LLM Integration) £80-110K + Equity A hugely exciting AI start-up is seeking several experienced Full-Stack Engineers to join a dynamic product team, focused on building innovative software powered by cutting-edge AI technologies. This is a unique opportunity for a passionate More ❯

Senior Full Stack Engineer – THE AI Scale-Up of 2025 | Future Unicorn Up to £125,000 plus excellent stock options Remote First – London Office for those who want it Next.js | React | Typescript | Node Are you a product-focused Senior Full Stack Engineer who enjoys autonomy and wants to … build products from end-to-end? If so, read on... Senior Full Stack Engineer – We have been exclusively engaged by one of the most exciting tech start-ups in the UK, who are looking for Senior Full Stack Engineers as they will grow significantly in 2025. They are well-funded … their customers. They believe in building fast and iterating, working closely with product and customers, to evolve their cutting-edge AI solutions. What is Senior Full Stack Engineer for them? The Senior Full Stack Engineer will have experience of building complex solutions in product-driven companies with good More ❯

Python Full stack Developer Initially 12 month contract (Inside IR35 Via Umbrella) | Hybrid 3 days onsite London (Liverpool Street) 2 days remote | £520p/day We’re working with a leading consultancy client looking for a More ❯

Senior Full Stack Founding Engineer – Hybrid - £150k - £200k We’re looking for a Senior Full Stack Founding Engineer for our fantastic start up AI client based in London. You will work as part of a small tight knit team and help deliver a fast and powerful user-facing More ❯

and microservices development. Experience with COSMOS DB, Azure SQL server or NoSQL or a mix of all these. Azure Pipeline experience CI/CD Familiarity. Openness to full-stack work with an emphasis on Front-End work. Good to have: Strong analytical and problem-solving skills. Excellent verbal and written communication skills. Ability to work independently More ❯

Software Engineer - Financial Services A leading UK bank is seeking talented Full Stack Engineers to join their exciting new tech hub and help redefine engineering excellence while transforming one of UK's most recognisable banks. This is a rare opportunity in both front-end and back-end development, building a team from the ground More ❯

Full Stack Engineer - Up to £120k + Equity Location: Central London, 5 days onsite Salary: £80,000 – £120,000 + Equity About Them Our client are a fast-growing AI startup revolutionising the video intelligence space. They've been building a cutting-edge video AI platform that delivers real-time insights and exceptional user More ❯

Engineering Consultant Location: London (Hybrid – 2 to 3 days per week onsite) Salary: £70,000 – £100,000 + Benefits About the Role We're hiring a Senior Java Engineer to join a fast-scaling consultancy that delivers cloud-native, product-led engineering solutions across enterprise and public sector clients. This role sits within a brand-new technology hub More ❯

Role: Senior Engineer – Crypto Intelligence Engineering Mission: Build and enhance a platform that supports the collection and analysis of intelligence related to cryptocurrency crime. The role involves developing tools and systems to streamline data ingestion from various sources and integrate it into a proprietary graph database. Key Responsibilities: Design and develop software tools for intelligence collection and analysis. More ❯

Full-Stack Product Engineer Opportunity Are you a passionate Full Stack Engineer ready to make a significant impact in the AI domain? Role Highlights: Position: Full-Stack Product Engineer Location: Hybrid (London HQ) Salary: £65,000 – £75,000 + Equity Tech Stack: Python, Javascript, Elixir, Phoenix, Vue.js, PyTorch Experience: 5+ years in full-stack development What You'll Do: Develop scalable applications applying foundation models to multimodal data Collaborate with cross-functional teams to deliver seamless user experiences Ship to production More ❯

I am exclusively working with an Online Marketplace (C2C) who are looking for a Mid-Level Full-Stack Engineer to join their team! You'll predominately be brought on board to work on their core platform and online marketplace. They are a Certified B CORP Organisation as well! You'll work in a senior More ❯

Snr Full-Stack Engineer (UI Focussed) London (Hybrid - 1x PW in office) A leading Legal AI scale up is on a mission to make legal help universally accessible to all. Combining legal professionals with cutting-edge AI, this fast-growing company is redefining how consumers and small businesses access the law — faster, smarter, and … Following one of Europe’s largest Series A rounds in 2024 they’re expanding fast, and hiring an incredible team of passionate engineers. Now hiring a Snr Full-Stack Engineer (UI focussed) to shape the future of AI-powered legal experiences. What you’ll be doing: Crafting beautiful, fast, user-focused apps and experiences More ❯

backed by Y Combinator (X25) and were named one of the spring batch's "Top-10 AI agent startups" by Business Insider. We're looking for a full-stack engineer with hands-on experience in building and deploying LLM-based products from scratch. You'll develop multi-agent systems, build product front-end and More ❯

Founding Full Stack Software Engineer (AI) £150000 – £170,000 + meaningful equity On-site in London (£10K relocation provided) Join a deeply technical AI-native startup founded by PhDs and researchers from Cambridge, Imperial, and other top European and US institutions . This is an opportunity to work directly with a team who’ve … conferences, built open-source tools used across the industry, and scaled high-performance systems from first principles. Now, they’re hiring a Founding Full Stack Software Engineer to help build the next generation of reasoning tools powered by large language models. You can be more front end or back end leaning provided you've … Oxford, Imperial, Edinburgh, EPFL, ETH Zurich, ENS, TUM, etc.) Experience in AI-focused products, ideally within a high-growth or research-heavy environment Strong Python engineering skills; full-stack capability a bonus (Postgres, Typescript, React) A bias toward action, autonomy, and technical depth This isn’t a typical start-up job. It’s a chance to More ❯

algorithmic capabilities. The squads own a variety of different systems, including single page applications, data pipelines, backend APIs and algorithmic models. We’re looking for a Staff Full-Stack Engineer to partner with other Staff level individuals to act as an Engineering leader in this area. You’ll support the Tech Leads in the … practices, minimize inefficiencies, and introduce emerging technologies to enhance team capabilities. Required Skills and Experience: - Professional experience with Kotlin, Java or Python and React - Proven experience as an Engineer working across multiple squads. - Demonstrated ability to drive technical and behavioural improvements across teams. - Expertise in leading architectural design for complex backend systems. - Skilled in influencing and implementing changes More ❯

Full Stack Software Engineer SaaS | Early-Stage Start-Up | Experienced Founders | C# | .NET | TypeScript | React | Azure I’m hiring a Full Stack Software Engineer to join one of the most ambitious, talented, and genuinely brilliant teams I’ve worked with. This is a rare opportunity to work directly … TypeScript, React, Azure 🧭 Interview Process: 3 stages. We keep things fast, focused, and respectful of your time. You'll be a Full Stack Software Engineer in a small, fast-paced team, working across frontend and backend to ship real features using C#, .NET, React, and Azure . You must be confident across the stack … with lasting impact You’ll work closely with founders, shaping both product and business from the inside. If you're a Full Stack Software Engineer who wants real ownership, fast learning, and to build with C#, .NET, React, and Azure - apply now. More ❯

Senior Full Stack Developer - Tech for Good AI Start-Up Base Salary: Up to £90,000 per annum Location: London, Hybrid with one day a week in office. We are seeking a highly skilled Full More ❯

Full Stack Engineer 12 Month Rolling Contract London- 3 Days on Site. Contract We are partnered with a Global Tier one bank for a Full Stack Developer to join their team in London on a 12 month rolling contract. The ideal candidate will need to be a Strong Java Developer More ❯

Full Stack Product Engineer (Stealth AI Startup) 📍 London, UK (On-site, 5 days/week) About the Role Join a small, high-performing product engineering team at an early-stage AI startup (currently in stealth). As the third engineer on a close-knit London-based platform team, you’ll play a … Contribute to a product that leverages AI in practical, real-world workflows You Might Be a Fit If You Have 3–7+ years of experience as a software engineer working on production-grade applications Expertise in at least some of our core stack: Python, FastAPI, React, Next.js, TypeScript, Postgres A product-minded engineering approach – you care More ❯

with a strong sense of purpose and employee wellbeing. They're one of the UK’s standout tech employers in the fintech space. As a Full Stack Engineer, you’ll contribute to delivering a brand new card based product. It's a high-impact opportunity to work closely with industry leading Technical Leaders who More ❯

Fullstack Engineer - Up to £60k - 2 Days onsite - Fulham I am currently working with an excting SaaS client who has built out a Risk management solutions platform. Their primary focus is to provide businesses with advanced tools and platforms that help them identify, assess, manage, and mitigate risks effectively. Their platform offers software solutions that support enterprise risk More ❯

ll Get * Real ownership from day one * £70–90k depending on experience * Significant equity (1–2%) and long‐term career upside * A culture that values engineers, with protected ‘Engineer-Owned-Sprint’ for tech-debt * 1-on-1 with founder; access to roadmaps * 33 days holiday, London office (Old Street), Visa sponsorship available * Fortnightly team dinners at customer restaurants More ❯

✨ Title: Senior Full Stack C#/Angular Developer 💰 Salary: £80-£100k 📍 Location: 3 days a week in the London office (Tuesday to Thursday) [Unfortunately, sponsorship is not available for this role at the moment] 🌿 Join a More ❯

Senior Full Stack Engineer (Backend-Leaning) Maze is proud to be partnering on a retained basis with one of the fastest-growing platforms in the creator economy space to hire a Senior Full Stack Engineer . This is a high-impact role focused on building scalable products with More ❯