76 to 100 of 132 Full-Stack Engineer Jobs in the City of London

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 ❯

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 ❯

Senior Full Stack Engineer - London A well funded start up using AI to transform complex financial modeling and property analysis into instant, actionable insights that power multi-million-pound real estate decisions are looking for a Senior Full Stack Engineer to join their team. What Will the Role … junior engineers and ensuring high-quality code through rigorous testing and monitoring. What Are We Looking For? Bachelors or higher in Computer Science or related discipline Experienced full-stack engineer (5+ years) with strong Python backend skills and modern frontend framework expertise, particularly React. Solid database knowledge RESTful API design experience Familiarity with cloud 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 ❯

in its early stages, so you’ll be joining this thrilling journey right from the start. After just placing someone else here, we're looking for ANOTHER Full-Stack Engineer with end-to-end JavaScript experience who wants to gain experience from a wide range of high-caliber clients. What we're looking for 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 ❯

Hiring: Senior Full Stack Engineer | AI Imaging & Video | London | £100k–£160k + Equity 🚀 I'm hiring on behalf of a cutting-edge startup operating at the intersection of Video & Imaging AI — with HQs in London and Silicon Valley . This is an on-site role in London , joining a world-class engineering team made … Go Pulumi, AWS PostgreSQL ...and modern infrastructure/tools you'd expect in a forward-thinking product-led environment. What’s on offer for the Full Stack Engineer: £100,000 – £160,000 base salary Lucrative share options A high-calibre team, a hugely exciting product roadmap, and the opportunity to help scale a startup … on the verge of massive growth. If you're a smart, product-focused full stack engineer who thrives in startup environments and wants to build something genuinely impactful — let’s talk. 📩 Apply now! — happy to share more about the team, product, and roadmap. 🚀 Hiring: Senior Full Stack Engineer 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 ❯

✨ 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 ❯

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 ❯

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 ❯

envision a future where human well-being is safeguarded while closing the gaps in critical global labour needs. We’re looking for a seasoned Senior Full Stack Engineer with a passion for building adaptive, intelligent systems that live at the intersection of web, desktop, and edge environments. What You’ll Do: Architecting microservice-based … engines into real-time applications and workflows. Working on solutions involving IoT, robotics , and fog/edge computing . What We’re Looking For: Senior Full Stack Engineer or Software Architect experience. Strong knowledge of Python, Go, or Java (Backend/API); confident JS/TypeScript skills (Frontend). Extensive practical experience with integration More ❯

Senior Fullstack Engineer Salary: Up to £120k Location: On-site (London) Must have a degree Senior Fullstack Engineer - would you like the opportunity to work for a start-up who are currently going through a rapid period of growth? They are looking for 2x motivated, hands-on Software Engineers who will work closely with the creative … team, solving interesting problems at the intersection of user experience, machine learning and infrastructure. As a Senior Software Engineer, you will get a lot of responsibility and work in an award-winning team. Their stack cuts across many technologies, and you will be responsible for a large part of their frontend and backend stack. Key requirements … 3+ years’ experience working with React, TypeScript. Experience working with Python or Go. Previous experience with C++ would also be a bonus If you’re a Senior Fullstack Engineer who enjoys working in start-ups, please apply. More ❯

by year-end). Expect to influence tech strategy, shape culture, and ship features that impact hundreds of thousands of users each week. 🧠 The Role As Lead Fullstack Engineer, you'll: Own architecture and delivery across a modular, cross-platform system (Web & Mobile) Collaborate daily with Product, Design, Content, and QA to shape what gets built Mentor and … paced, supportive culture with a real appetite to ship 📍 Working Setup Hybrid: 3 days/week in the London HQ (flexible on which days) If you're an engineer that wants to build a platform that users genuinely love — this is your chance No VC pressure. No buzzwords. Just great people building something real. More ❯

Position: Founding Engineer Location: London, United Kingdom I am currently working with an early-stage healthcare technology startup dedicated to enhancing patient care through innovative solutions. Their mission is to seamlessly integrate technology into healthcare practices, improving efficiency and patient outcomes. Role Overview: As a Founding Engineer, you will play a pivotal role in shaping our More ❯

the scenes, we’re a lean team building highly-performant, deeply integrated infrastructure, leveraging both open-source and internal tooling. Responsibilities We’re hiring a DevOps-Focused Fullstack Engineer to work alongside our CTO, PM, and core engineering team. In the first 6 months, you’ll focus heavily on: Infrastructure ownership Cloud cost reduction Developer productivity Over time More ❯