Senior Mobile Engineer – Do Health

What You’ll Do

• Own major mobile features end-to-end in our Expo / React Native app, from concept to production.
• Collaborate closely with product and design to shape UX, technical architecture and delivery strategy.
• Make product and engineering decisions, not just implement predefined specs.
• Drive improvements in app performance, reliability and maintainability as we scale.
• Architect scalable patterns for state management, API integration and offline-first experiences.
• Champion high engineering standards: testing, observability, code quality and thoughtful reviews.
• Use AI tools responsibly to accelerate development while maintaining quality and correctness.
• Ship high-quality features independently, with minimal oversight, in a fast-moving environment.

Who You Are

• 5+ years of frontend engineering experience with strong software fundamentals.
• Deeply experienced with TypeScript, React Native and Expo.
• Takes full ownership of projects and sees them through to measurable impact.
• Product-minded: cares about UX, user outcomes and craft — not just code.
• Comfortable operating in ambiguity and making sound technical judgement calls.
• Pragmatic and execution-focused — you ship, iterate and improve.
• Experienced in fast-moving consumer startups, scaleups or design-focused teams.
• Confident using AI tools thoughtfully — accelerating output without compromising engineering quality.

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