301 to 325 of 395 Permanent Full-Stack Engineer Jobs

Senior Full Stack Engineer – React/TypeScript/AWS – £80–90k We are partnering with a well-funded startup that is building an innovative platform empowering private investors to manage their portfolios not only for financial performance but also for sustainability and ESG impact. As an AI-native platform on an exciting growth journey … early-stage company where contributions directly influence success Competitive salary (£80–90k) Hybrid working model — 3 days per week in the Cannon Street office Senior Full Stack Engineer role - 3 days (Cannon Street) - £80-90k More ❯

Founding Full Stack AI Engineer 💰 Up to £90k + equity 🌍 Remote UK (occasional travel to London or Leeds) A VC-backed AI start-up on a mission to transform how deals get done is looking for a Founding Full Stack AI Engineer to join their fast-moving team. … architecture ( AWS, Docker, ECS ) and CI/CD pipelines Working directly with the founders to set the product and technical roadmap 💡 What You’ll Bring 5+ years’ full-stack experience with Python + React/Next.js Proven hands-on AI engineering — RAG systems, embeddings, hybrid search Solid cloud & data skills (AWS, SQL/NoSQL, containerisation) Familiarity More ❯

Senior Full Stack Engineer | AI Start-up | London (Hybrid) | Up to £80k + Equity Ready to help shape the future of AI products? 🚀 Join a fully-funded, fast-growing AI start-up as a Senior Full Stack Engineer and work directly with the CEO to build, ship, and … architecture and product direction Keep production rock-solid and performant Drive code quality and collaborate with UX/UI designers What we’re looking for: 6+ years’ full-stack experience Strong in React, TypeScript, and Python (or PHP) A hands-on engineer who loves ownership and impact Bonus: experience with OpenAI, Claude, or AWS More ❯

Carbon Emission/Green Tech Start-up | Full Stack Engineer | LDN 2 Days Per Week | £50K - £110K + Healthy Equity Company: I'm looking for Full Stack Engineers who are excited about elegant systems as they are about real-world impact. Their mission is to reduce carbon emissions in the … React, TypeScript, Konva, Tailwind -> Node.js, PostGREST, Prisma -> PostgreSQL/PostGIS, Docker, Atlas -> (Sunsetting Python + FastAPI) Requirements for Carbon Emission/Green Tech Start-up | Full Stack Engineer | LDN 2 Days Per Week | £50K - £110K + Healthy Equity -> 2+ years commercial experience -> STEM Background -> React + TypeScript (you’re confident building fast, dynamic UIs … end-to-end, from shaping the product idea to shipping the code. Type of engineer for Carbon Emission/Green Tech Start-Up | Full Stack Engineer | LDN 2 Days Per Week | £50K - £110K + Healthy Equity ->You’re product-minded — you care about the user and the why behind every line of More ❯

Staff Engineer/Developer (Full Stack Python React) Cambridge to £70k Do you enjoy taking ownership and working with a range of technology across the full stack on greenfield projects? You could be progressing your career as a founding member of a growing "tech for good" start-up that is … using AI technology to ensure compliance and efficiencies within the NHS and Health sector, with plans to expand to other regulated industries. As a Staff Engineer you'll work closely with the founders and a small technology team to design and develop scalable end-to-end solutions working across the full software development lifecycle through to … discipline preferred What's in it for you: Salary to £70k Equity Impactful role with excellent career growth opportunities Apply now to find out more about this Staff Engineer/Developer (Full Stack Python React) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and More ❯

Staff Engineer/Developer (Full Stack Python React) Cambridge to £70k Do you enjoy taking ownership and working with a range of technology across the full stack on greenfield projects? You could be progressing your career as a founding member of a growing 'tech for good' start-up that is … using AI technology to ensure compliance and efficiencies within the NHS and Health sector, with plans to expand to other regulated industries. As a Staff Engineer you'll work closely with the founders and a small technology team to design and develop scalable end-to-end solutions working across the full software development lifecycle through to … discipline preferred What's in it for you: Salary to £70k Equity Impactful role with excellent career growth opportunities Apply now to find out more about this Staff Engineer/Developer (Full Stack Python React) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and More ❯

Founding Engineer – Stealth AI Startup | London | £100–140k Location : London (Onsite) Compensation : £100,000–£140,000 + meaningful equity Start date : Flexible, but ideally soon I'm hiring for a stealth-stage AI startup founded by two individuals who have worked at some of the biggest names in the space. Backed by deep technical roots and a bold … AI, by teaching systems directly through human decision-making. They are a small team with less than 10 heads, and they're now looking for a founding-level engineer to join the core London team. Tech stack: Frontend : React, Next.js, TypeScript Backend : Python, FastAPI Happy for candidates to lean towards to backend or the frontend Why … Deep product involvement : Ship fast, iterate constantly, and help define how AI will interface with the enterprise. If you're a Full Stack Product Engineer who thrives in fast-paced, early-stage environments and you're excited about the future of AI automation — Apply now!! 🌍 Founding Engineer – Stealth AI Startup | London More ❯

Founding Engineer – Stealth AI Startup | London | £100–140k Location : London (Onsite) Compensation : £100,000–£140,000 + meaningful equity Start date : Flexible, but ideally soon I'm hiring for a stealth-stage AI startup founded by two individuals who have worked at some of the biggest names in the space. Backed by deep technical roots and a bold … AI, by teaching systems directly through human decision-making. They are a small team with less than 10 heads, and they're now looking for a founding-level engineer to join the core London team. Tech stack: Frontend : React, Next.js, TypeScript Backend : Python, FastAPI Happy for candidates to lean towards to backend or the frontend Why … Deep product involvement : Ship fast, iterate constantly, and help define how AI will interface with the enterprise. If you're a Full Stack Product Engineer who thrives in fast-paced, early-stage environments and you're excited about the future of AI automation — Apply now!! 🌍 Founding Engineer – Stealth AI Startup | London More ❯

Fullstack Software Engineer Salary: £90k - £140k+ Stock Options + Exceptional Benefits Location: London based team We’re hiring on behalf of a cutting-edge tech company that’s reimagining how software gets built - combining full-code flexibility with the power of no-code tools and generative AI into a unified platform. You’ll work on a … is a rare chance to learn from elite engineers and contribute directly to a really useful platform as a Fullstack Engineer. If you’re a technically curious Fullstack engineer, ready to grow in a fast-paced AI environment, apply now More ❯

Fullstack Software Engineer Salary: £90k - £140k+ Stock Options + Exceptional Benefits Location: London based team We’re hiring on behalf of a cutting-edge tech company that’s reimagining how software gets built - combining full-code flexibility with the power of no-code tools and generative AI into a unified platform. You’ll work on a … is a rare chance to learn from elite engineers and contribute directly to a really useful platform as a Fullstack Engineer. If you’re a technically curious Fullstack engineer, ready to grow in a fast-paced AI environment, apply now More ❯

We8;re looking for a Senior Software Engineer to join our team of 10, working primarily on our web app and workplace platform. While youll be frontend-leaning, youll also act in a tech lead capacity; designing solutions that span our entire stack, including backend services, APIs, and database models. In this role, youll: Take ownership More ❯

Feller (previous company was UK’s largest bootstrapped exit of $300m), we're assembling an elite founding team that moves fast and gets things done. As a Software Engineer (Full Stack), you’ll work across the stack - shipping fast, shaping architecture, and integrating cutting-edge AI directly into the product. You’ll … Stay on the frontier of AI, keeping up to date with emerging tools and technologies to keep us at the edge of what’s possible. Requirements Deep full-stack Javascript expertise (ideally React & Node). Genuine care for customers, their experience and desire to wow them. Evidence of excellence at everything you do. Currently utilising AI More ❯

We are excited to be working with an AI-native VC-backed startup looking to hire a high-calibre contract Full Stack Engineer into their UK business, to play a pivotal role in building their next generation AI platform. Having closed a substantial seed round very recently and with several well known enterprise clients … engineer. This contractor could be based fully-remote anywhere in the UK or hybrid out of their London HQ - the choice is entirely yours. As Full Stack Engineer (AI) you will: Design and deliver personalised, AI-powered platform features using LLMs, recommender systems, and reinforcement learning. Ship production features in React (TypeScript/JavaScript More ❯

matters most. And as the challenges evolve, so do we - working on the technologies that will shape tomorrow, not just today. Full Stack Software Engineer National Security Business Be part of a growing and highly trusted supplier into the NS domain working to deliver mission critical solutions helping to keep the nation safe, secure … solutions in the following disciplines: AI & Data Science, Cyber, Cloud, Big Data, Software Development, DevOps, SRE, Platform Engineering. Role As a Full Stack Software Engineer , you'll enjoy delivering mission critical solutions to National Security customers. This isn't developing solutions that complete financial transactions faster, you'll develop cutting edge product that protects … people, platforms, missions and information against constantly changing threats. You're a Full Stack Software Engineer that enjoys developing novel products; leading, innovating and inventing by bringing the physical and digital together. It'll involve consulting with customers, defining strategy and understanding how to apply emerging technologies. Roke is a leading technology & engineering company More ❯

their Product Engineering function. The Role You’ll be joining a collaborative engineering team working across both customer-facing software and internal platforms. This is a true full-stack role, spanning everything from building slick, responsive UI components to developing robust backend services and APIs. If you enjoy working in a fast moving environment where you More ❯

week onsite). Hands-on experience in a real-world development environment. Competitive compensation package commensurate with experience This is an excellent opportunity for a technically adept Full-stack Developer to join a forward-thinking organisation within financial services. If you are interested please get in touch and apply. More ❯

week onsite). Hands-on experience in a real-world development environment. Competitive compensation package commensurate with experience This is an excellent opportunity for a technically adept Full-stack Developer to join a forward-thinking organisation within financial services. If you are interested please get in touch and apply. More ❯

becoming extraordinary products, services and customer experiences Siri is a technology that is used by millions of people every day across the world. As a Full Stack Engineer (Frontend & Design Focus) within Apple's Machine Learning and AI team you will have the opportunity to develop internal, web-based tools which will have a … ownership over the end to end delivery of impactful, new tools as well as maintenance of the existing ecosystem. As a frontend and design focussed full stack engineer within this team you will be expected to design and develop React based single-page applications with great user experiences. You will also be expected to … your colleagues from the Siri teams all over the world will help you identify and prioritise the right features to help our customers. You will be a product engineer, who actively cares that tools you create make a difference to your colleagues' success in the long run. We need people who are happy to take ownership over problems More ❯

Senior Fullstack Engineer (TypeScript) £75,000-85,000 Hybrid – 2 days p/week in Birmingham Senior Fullstack Engineer – Would you like the opportunity to work for a leading organisation who are building complex digital applications across web, mobile? You’ll work across multiple product teams, giving you variety, breadth, and the chance to solve new … experience with modern web frameworks (e.g. React, Next.js) Solid grasp of cloud infrastructure React Native experience would be a huge bonus If you’re a Senior Fullstack TypeScript Engineer looking for an exciting challenge and are within a commutable distance from Birmingham, please apply. More ❯

Full Stack TypeScript Engineer - NextJS + NestJS We are a UK based company, and pay would be $500 a week for approximately 20 hours of work, and we would like to hire you for at least the next 3 months, with the view to continue, depending on performance. Role Overview We're seeking a … skilled Full Stack TypeScript Engineer to work on both the frontend and backend of our platform. You'll be working on a modern codebase. This role requires someone comfortable working across the entire stack - from designing intuitive user interfaces to implementing complex backend business logic and financial algorithms. Technology Stack More ❯

Senior Full Stack Engineer | High-Growth FinTech | £85–125k + Bonus We’re supporting a profitable, fast-scaling FinTech that is hiring Senior Full Stack Engineers for their Payments team. The company is building modern financial tooling and needs engineers who enjoy solving real-world product challenges and shaping systems … team time) • £85–125k salary + bonus • Modern engineering practices with strong focus on delivery and product impact • Friendly, collaborative environment with regular socials Senior Full Stack Engineer - 1 day per week onsite - £85–125k More ❯

Lead Full Stack Engineer | React & Node.js | SaaS House *Remote First*, Head Office based in Berkshire. Prism Digital have partnered with a super cool UK/US-based company that creates a suite of SaaS Data Visualisation tools which plug into various applications and cloud/infrastructure environments. Our client essentially provides a Data Visualisation … x5 days this year) Regularly paid for company trips This role does not accept applicants outside of the UK, nor does it offer sponsorship Lead Full Stack Engineer | React & Node | SaaS House More ❯

Full Stack Software Engineer | Up to £55k-65k | Hybrid - Manchester TypeScript, Node.js, React, AWS Serverless, FinTech G.Digital are partnered with a high-growth FinTech scale-up on a mission to redefine financial services through data-driven, modern engineering. If you’re passionate about clean architecture, modern tooling, and building products used by thousands every More ❯

Full Stack Engineer (Python, React, AI/ML/LLM/SDK) – Cutting-Edge Series B scale up Location : Remote UK Salary : £70K - £110K About: We are seeking a Full Stack Engineer with a proven track record in building and scaling applications powered by Large Language Models (LLMs … deep expertise in Python, React, and modern AI/ML development, including LLM frameworks, SDKs, and retrieval-augmented generation (RAG) systems. Key Responsibilities Design and develop scalable full-stack solutions involving both frontend (React/TypeScript) and backend (Python/Java). Build and optimize AI/ML pipelines leveraging LLMs and RAG architectures. Develop SDKs … development, and working in production-grade environments. Ability to work across the full stack and thrive in a fast-paced, collaborative environment. Product-focused engineer What We Offer : The chance to work with cutting-edge hardware technologies in a high-growth environment. A collaborative team culture that values innovation and technical excellence. Competitive salary More ❯

Senior Full Stack Engineer – AI Startup – Up to 150k 🚀🧠 💰 Salary: £80,000 - £150,000 + meaningful equity 🏙️ Location : London, hybrid 💻 Tech Stack : Python, Flask, FastAPI, React, TypeScript, GCP (Backend Leaning) 📈 Team size: 27 heads Our y-combinator backend client are building an elite engineering team within the AI space. The platform is … ✅ Understand the working dynamics of a fast paced start-up If this role sounds like it could be of interest, apply now! Senior Full Stack Engineer – AI Startup – Up to 150k More ❯