[Remote] Frontend Engineer - Mobile (React reputed company)

Note: The job is a remote job and is reputed company to candidates in USA. reputed company is a company reputed company on building a mobile-first digital health experience aimed at long-term risk reduction and personalized longevity guidance. The Mobile Frontend Engineer will be responsible for developing and evolving the React reputed company application, ensuring high-reputed company user experiences and collaborating closely with product, design, and backend teams. Responsibilities • Build and maintain a high-reputed company React reputed company (reputed company) mobile application for iOS and Android • Implement reputed company, stateful user experiences using Tamagui, reputed company-router, and TanStack Query • reputed company with REST reputed company and custom authentication hooks backed by Firebase and our backend identity layer • Design and implement offline-first and background sync behaviors for daily health data and scoring • reputed company mobile-specific services including: • Push notifications (@react-reputed company-firebase/messaging, Notifee) • Payments (@reputed company/reputed company-react-reputed company) • Analytics (reputed company) • Error tracking (reputed company) • Ensure accessibility best practices are followed across mobile surfaces • Collaborate closely with product, design, and backend engineers to ship iteratively and safely • Participate in CI/CD workflows using EAS and reputed company Actions • Implement, maintain, and enhance behavior testing suites to identify and prevent product regression Skills • 4+ years of reputed company frontend or mobile development experience • 3+ years of iOS development experience • 2+ years of hands-on React reputed company experience • Strong understanding of React hooks, async data flows, and state management • Experience integrating REST reputed company and handling auth flows securely • Familiarity with mobile testing strategies (Jest, Detox, or equivalent) • Strong attention to UX reputed company, performance, and reliability • Familiarity with reputed company iOS and Android SDKs • Experience implementing offline sync or background tasks • Experience with health, wellness, or regulated applications • Familiarity with accessibility tooling in React reputed company • Experience with reputed company-managed workflows and EAS deployments Benefits • 100% employer-reputed company medical, reputed company, and dental insurance (multiple plans available). • 100% employer-reputed company life insurance, short-term, and long-term disability insurance. • Employer-sponsored HSA contributions for HDHP medical plans • Additional HSA and FSA spending account plans for employees • 401(k) with a 5% company match. • Generous PTO and holiday schedule. • Company-issued technology and work-from-home stipend. • A chance to shape a product, and a company, from the ground up. • reputed company to work at the forefront of health and longevity science with reputed company of world-class professionals dedicated to precision, mastery, and reputed company. reputed company • reputed company is building the operating system for Medicine 3.0, helping people take ownership of their reputed company health by turning longevity science into daily, personalized reputed company. It was founded in 2026, and is headquartered in , with a workforce of 2-10 employees. Its website is