Lead Software Engineer (TypeScript / React Native)

Our client, a growing company based in London is seeking an experienced Lead Software Engineer to take ownership of the technology stack and guide the engineering team through this next phase of growth. This is a hands-on leadership role, combining technical delivery with strategic oversight.

As Lead, you will act as a “player-coach”: shipping critical code yourself while mentoring engineers, driving technical strategy, and ensuring the platform scales with rapid international growth. You will work closely with the founders, translating business goals into a clear technical roadmap and high-quality execution.

• Mobile Apps: Core customer apps built with TypeScript, React Native, Expo.
• Backend: TypeScript, GCP/Firebase Cloud Functions, GCP Pub/Sub, Postgres, Prisma.
• Web Apps: Customer-facing portals for sign-up and account management (TypeScript, React, Vercel).
• Internal ERP: Mission control for stock, customers, and operations (TypeScript, Next.js, Vercel).
• A high-velocity release culture, deploying multiple times per day to tens of thousands of users.

• Lead end-to-end development and delivery of core features across mobile, backend, and internal tooling.
• Shape the technical roadmap and make high-impact architectural decisions in partnership with the founders.
• Own the quality, reliability, and performance of applications in production.
• Mentor engineers through code reviews, pairing, and establishing strong engineering practices.
• Drive AI-accelerated engineering productivity, leveraging modern tools to ship faster and smarter.
• Be hands-on: shipping code daily, unblocking the team, and taking responsibility for critical systems.

• Strong experience across the stack: TypeScript, React Native, React, Node, Postgres, GCP/Firebase.
• Full-stack mindset: comfortable working on mobile apps, web apps, backend, and SQL.
• Proven ability to write efficient, production-ready code that is reliable, observable, and maintainable.
• Comfortable with a fast-paced release culture (multiple deploys per day).
• Product-focused, with the ability to empathise with users and steer feature development.
• 5+ years of software engineering experience, ideally in a fast-moving startup or product-led environment.
• Strong problem-solving skills, ownership mentality, and ability to work in GMT-friendly time zones.
• Experience with AI-powered SWE tools (Cursor, Windsurf, v0, etc.) and enthusiasm for pushing productivity.
• Preferred: ability to work from the London office 3 days per week.

• Circa £100k per annum depending on experience & location
• Annual performance bonus of up to 15%
• Fully remote / hybrid working (GMT hours)