Mid-Level Full Stack Engineer

Mid-Level Full Stack Engineer | Start-Up | London A genuinely exciting high-growth start-up is hiring a Mid-Level Full Stack Engineer to join a small, ambitious team building in a unique and highly underserved space. The company already has a strong established customer base, so you’ll be joining a product that’s gaining real traction, with a huge amount still left to build. This is a role for someone who wants more than just writing tickets. Engineers have real ownership over problems, working directly with customers and the wider business to decide what to build, then taking it from idea to production. What You’ll Do Build across TypeScript, React and PythonOwn features end-to-end from discovery through to launchWork closely with customers, founders and productUse AI to solve problems that previously weren’t possibleHelp shape the product and engineering direction as the company scales About You Mid-level Full Stack Engineer with strong commercial experienceConfident across frontend and backend developmentProduct-minded, proactive and comfortable with ambiguityEnjoys taking ownership rather than waiting for requirementsCurious about AI and modern engineering tools Small team. Real customers. Huge ownership. Very little red tape. 📍 London | 4–5 days in the office