Principal Product Engineer, React Native

In this role, you will own the mobile experience end-to-end for iOS, Android, and web, shaping a world-class quick‑commerce app. You’ll combine React Native expertise with AI-enabled workflows to deliver delightful, fast experiences at scale. You’ll lead architectural decisions, guide the team on AI-driven product patterns, and ensure production health. This is a hands-on leadership role at a fast-growing, AI‑driven company focused on customer obsession and rapid delivery.

• base salary 135,000 – 175,000
• equity package
• 25 days holiday per year + bank holidays
• private health insurance
• extended sick pay and parental leave
• cycle to work scheme

• Develop mobile and web experiences using React Native and Expo for iOS, Android, and web
• Incorporate AI into daily development and share reusable patterns
• Set the direction for AI-enabled product value and prototype key bets
• Own end-to-end delivery of features, including design, implementation, and production rollout
• Own on-call responsibilities and maintain production health
• Profile performance, stabilize releases, and enforce mobile security
• Define architectural direction and standards across the mobile stack
• Mentor and uplift other engineers through patterns, reviews, and collaboration

• 10+ years of production software experience across mobile, backend, frontend, or full-stack
• Deep React Native and Expo experience; proven iOS/Android run‑rate for B2C apps
• Strong TypeScript fundamentals
• Experience with AI-assisted development or AI-driven patterns
• Product-minded with measurable customer impact
• Production-minded with focus on performance, stability, and security
• Strong testing discipline and ability to ship reliable code
• Excellent written and verbal communication; ability to influence and collaborate

• Excellent communicator
• Execution-focused with curiosity and energy
• Comfortable in uncertainty and ambiguity
• React Native
• Expo
• TypeScript