Lead Full Stack Developer / Tech Lead - TypeScript, React, Node, Postgres, GCP/Firebase.£85-100k + discretionary bonusHybrid - 2 days per month in the London officeVery high growth (>200% CAGR) e-commerce startup/scale-up is seeking an experienced Lead Full Stack Developer, crucially technically hands-on, to own the technology stack and guide a small engineering team. Experience with a payment platform would be advantageous.You will be directly responsible for shipping critical code, while also mentoring other engineers, driving technical strategy, and ensuring the platform scales with rapid international growth. They deploy multiple times per day, so you’ll need experience in a similar startup environment.The lead full stack developer will be a key partner to the founders, translating business goals (eg US expansion) into a clear technical roadmap and high-quality, high-velocity execution.Requirements:Strong experience across the stack: TypeScript, React Native, React, Node, Postgres, GCP/FirebaseA genuine full-stack mindset: happy working in the mobile app, web apps, backend, and writing SQL when neededConfident writing efficient, production-ready code - fast, reliable, observable, and easy to maintainComfortable with a high-pace release cultureProduct-focused, enabling you to empathise with users and steer feature development6+ years of experience in software engineering, ideally in a fast-moving startup or product-led environmentStrong problem-solving skills, ownership mentality, and ability to work in GMT-friendly time zonesDeep practitioner of AI powered SWE tools (Cursor, Windsurf, v0, etc.) and excited to push productivity to the limitTech Stack:Mobile Apps: (TypeScript, React Native, Expo)Backend: (TypeScript, GCP/Firebase
