Senior React Native Engineer
Senior React Native Engineer
Location: San Francisco, CA (5 days/week onsite)
Employment Type: Full-time
Compensation: Starting at $230K
We're looking for a Senior React Native Engineer to take ownership of the mobile applications that serve as the primary day-to-day interface for a rapidly scaling platform. This role is ideal for someone who enjoys building deeply interactive, data-rich mobile experiences and wants to drive end-to-end architecture in a high-impact environment.
You will operate as the mobile product specialist on a lean, high-talent engineering team. This includes everything from integrating device-level health and sensor data to architecting offline-first workflows and delivering a polished, high-performance cross‑platform experience. The work you do will directly shape how users track personal metrics, communicate with core services, and manage complex tasks from their devices.
Key Responsibilities
- Architect and build core mobile experiences used daily by a large and growing user base
- Integrate deeply with native health data APIs and device-level capabilities
- Leverage the modern React Native and Expo ecosystem to deliver a seamless, high-quality cross-platform experience
- Manage build pipelines through Expo tooling, including EAS and advanced configuration workflows
- Implement offline-first data synchronization strategies and local caching
- Develop secure, responsive communication and messaging interfaces
- Drive a premium mobile UX with attention to performance, accessibility, and native-feel interactions
- Incorporate AI-enabled development workflows and integrate AI features into mobile interfaces
- Establish architectural standards, promote code quality, and support strong engineering practices across the team
Qualifications
- 6+ years of frontend or mobile engineering experience, with deep specialization in React Native
- Strong proficiency with the modern Expo ecosystem, including EAS and advanced configuration patterns
- Experience building, shipping, and maintaining complex, data-heavy mobile applications in production
- Strong understanding of mobile performance optimization, render cycles, and asynchronous state management
- Experience integrating or working with native modules and device APIs
- Comfortable owning full lifecycle responsibilities, including deployments, reliability tracking, and release processes
- Familiarity with mobile CI/CD pipelines and crash monitoring tools
- Experience using AI coding tools while maintaining rigorous verification and engineering standards
- Excellent communication skills and ability to collaborate in a fast-moving, cross-functional environment
- Open to candidates targeting Staff-level scope and title
- Must be able to work onsite 5 days per week in San Francisco
Nice to Have
- Experience with native iOS (Swift/Objective‑C) or Android (Kotlin/Java)
- Background working in data-rich or regulated product environments
- Familiarity with large-scale mobile deployments and complex state management
- Experience improving app reliability, performance, or stability at scale
FAQs
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