1 to 25 of 84 Full-Stack Engineer Jobs in London

Full-Stack Engineer (Python/Django/React) London Based Scale Up - Up to £90k DOE + Bonus Our client is a London-based SaaS scale-up operating at the intersection of LegalTech and FundTech. The business focuses on solving a highly specific, high … recently secured Series-C funding. This isn’t a “bit of frontend, bit of backend” role. Our client is hiring a Full-Stack Engineer to build the engine that powers modern legal workflows — the systems that turn slow, manual legal work into fast, automated ...

Full-Stack Engineer (React/Python/AI) Location: London (Hybrid) Salary: £100,000 + Equity About the Company: An early-stage, well-funded tech startup building AI-powered software to help businesses make smarter decisions and improve operational performance . The team … mission-driven, giving you the chance to shape both the product and engineering culture. The Role: We’re looking for a Full-Stack Engineer to join a fast-moving, collaborative team. You’ll work across the stack — crafting sleek UIs in React ...

Full-Stack Engineer London (Hybrid) £65K + Discretionary Bonus Our client is a well-funded, founder-led sports-tech startup building real-time systems for processing and analysing live content with modern AI tooling. Small team, high-trust environment, solving complex engineering problems. … Full-Stack Engineer you'll own end-to-end delivery of real-time video, data, and AI analysis on their sports content platform. Core Stack: Backend: Java 21, Kafka, Postgres, Docker, Terraform Frontend: SolidJS, TypeScript Infra: AWS (Serverless & Containers), Confluent ...

Location – London (Waterloo) Salary – £70k – £85k samuel.robinson@forsythbarnes.com Senior Full-Stack Engineer We’re looking for a Senior Full-Stack Engineer to join an established development programme building and evolving a production-critical internal trading platform ...

Founding Full-Stack Engineer (Greenfield Digital Banking) Central London | 4 days onsite | Full-time £90,000 - £100,000 + 15-20% bonus We're working with a highly successful, family-owned international private bank to hire a Founding Full-Stack Engineer for a brand new, greenfield digital banking build based in Central London. This is a rare opportunity to join right at the beginning of a newly formed product team and help build a next-generation digital banking experience from first principles deliberately outside of legacy ...

Full-Stack Engineer (FX Trading Applications) Location: London (onsite 3 days per week) Day Rate: £700 (via Umbrella Company) Contract: Fixed Term Contract until 31 December 2026 About the Role Are you ready to dive into the dynamic world of FX Trading technology … client is seeking a talented Full-Stack Engineer with strong Java expertise and a passion for solving complex technical challenges. You'll play a key role in building mission-critical components that power high-performance trading systems-working closely with cross-functional teams ...

Senior Full-Stack Engineer/Software Developer/JavaScript Engineer (Node.js/React/Next.js – AWS Serverless) London (Hybrid – Farringdon Tues/Weds/Thurs) £85k–£90k + Bonus + Excellent Benefits Discretionary bonus (10%), Private Healthcare, 25 Days holiday, 5% pension … particularly interested in engineers who enjoy owning both the frontend experience and the Node.js APIs behind it. You’re a thoughtful, solutions-driven engineer who cares about architecture, performance, scalability, and long-term product impact. You don’t just close tickets, you take ownership, think systemically, and write ...

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 ...

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) to 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, senior team ...

Full Stack Developer Location: Hybrid (2 days a week in Farringdon, London) Job Type: Contract Daily Rate Inside IR35 We are seeking an experienced Full Stack Developer ...

About the job Job Title: Full-Stack Engineer (Polyglot/AI-Augmented) Location: London (Hybrid) Salary: £80,000 + Discretionary Bonus The Opportunity We are a well-funded, founder-led sports-tech startup. We’re building new real-time systems for processing and analysing … What We Offer Competitive Package: £65,000 base salary with a performance-based discretionary bonus. Career Velocity & AI-Augmented Engineering: As an early engineer, you will gain responsibility and progression at a speed rarely found in corporate environments. By using premium AI tooling (Claude Code) from ...

Role: Full‐Stack Developer (C#, .NET, Angular) Location: London (2 days per week onsite) Contract: 6 months (Inside IR35) Company: Insurance We are hiring an experienced Full‐Stack ...

real user needs and supports long-term transformation in the public sector. What You'll Be Doing Designing, developing and maintaining complex full-stack solutions Making architectural decisions aligned with project goals and good engineering practice Leading on CI/CD implementation and optimisation to improve … early project discovery phases Communicating complex technical concepts to non-technical stakeholders What We're Looking For Essential Proven experience in full-stack software development (design, build, test, deploy) Strong hands-on experience with Java, Spring Boot, and microservices Solid understanding of Agile and DevOps practices ...

partnering with an AI first UK Biotech startup focused on the development of foundation models for next generation biological data analysis. (Senior) Full-Stack Engineer – London, Hybrid Role: Senior Full-Stack Engineer Location: London, UK (on-site/ ...

Lead Full Stack Software Engineer - Public Sector Digital Transformation Location: UK (Fully Remote) Security Clearance: SC cleared/eligible Lead engineering teams building modern, impactful digital services for the UK public sector. We're supporting a purpose-driven digital consultancy in hiring a Lead … projects Contributing to early-stage discovery, bids, and occasionally supporting hiring activity (e.g., technical assessments) What We're Looking For Essential Extensive full-stack engineering experience across design, build, test and deployment Strong hands-on skills in Java, Spring Boot, Python, microservices , and ideally a polyglot ...

Java Full Stack Engineer - Consultant/Senior Consultant Location: UK (Hybrid Remote with client site travel) Salary: £45,000 - £75,000 + Benefits Security Clearance: SC cleared/eligible Hybrid working | UK-wide Help transform public services through modern engineering. We're supporting … real difference to citizens and frontline staff. The Role As part of a multi-disciplinary agile team, you'll design and build full-stack solutions across major public sector transformation programmes. You'll contribute to high-impact digital services using modern engineering practices, cloud technologies ...

large financial services organisation is seeking a Senior Backend Engineer to join a high-performing digital engineering function. This role sits within a customer-facing mobile product environment, delivering secure, scalable solutions at scale. Working across two product teams alongside a dedicated DevOps function, you will play ...

Full-Stack Software Engineer Location: Remote (London Office) Salary: £75,000 to £85,000 plus benefits This is an opportunity to join a genuinely forward-thinking tech business working at the intersection of AI, data analysis and modern web engineering. You will play … work closely with Data Science and Platform Engineering while contributing directly to new applications and product enhancements. The Role Build and enhance full-stack features across modern frontend applications and Python services. Develop user-facing web interfaces using React or Vue and contribute to backend services ...

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 ...

forefront of GenAI innovation. This role offers the opportunity to build intelligent, scalable applications using the latest in AI, cloud, and full-stack technologies. Role Overview As a GenAI Full Stack Engineer, you'll design and develop advanced AI-powered … monitor LLM performance using tools like Langsmith or Langfuse. Collaborate in agile teams and mentor junior engineers. What You'll Bring Strong full-stack development experience with modern frameworks and cloud platforms. Hands-on experience with GenAI tools and LLM integration. Familiarity with containerization, infrastructure ...

.NET 6+ Angular Azure £500 per day Inside IR35 London (3 days onsite) We are supporting a London-based organisation in hiring two Senior Full Stack Engineers on an initial 6 ...

Client: Largest American Credit Card Company Location: AMEX London Victoria 3 days/week, 2 days/week WFH Years of Exp: 3-9 years Skills: Full Stack, Kotlin (essential), TypeScript ...

Full Stack Developer London, Marylebone (Hybrid/Onsite) Are you a developer who loves building products, not just features? Do you thrive at the intersection of robust backend logic, intuitive frontend ...

Senior Fullstack Engineer. Fully remote or hybrid - London £80,000 - £100,000 "If being too popular is their biggest problem, they're in a pretty good place." That's a quote from the FT! Founded ...

Senior Software Engineer/Full Stack Developer (TypeScript Node React AWS) London/WFH to £95k Are you a full stack technologist? You could be progressing your career in a hands-on Senior Software Engineer role … year Opportunity to make an impact as part of new team in a role you can shape Your role: As a Senior Software Engineer you will design and develop customer facing applications, working across the full stack with a leaning towards TypeScript, Node ...