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Frontend Engineer – Mobile, React Native

Software EngineerSoftware EngineerFull TimeRemoteTeam 11-50Since 2023Company Site LinkedIn

Location

United States

Posted

19 days ago

Salary

$100K - $175K / year

Bachelor Degree4 yrs expEnglishAndroidFirebaseI OSJestReactReact Native

Job Description

• Build and maintain a high-quality React Native (Expo) mobile application for iOS and Android • Implement complex, stateful user experiences using Tamagui, expo-router, and TanStack Query • Integrate with REST APIs 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 • Integrate mobile-specific services including: • Push notifications (@react-native-firebase/messaging, Notifee) • Payments (@stripe/stripe-react-native) • Analytics (PostHog) • Error tracking (Sentry) • 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 GitHub Actions • Implement, maintain, and enhance behavior testing suites to identify and prevent product regression

Job Requirements

4+ years of professional frontend or mobile development experience
3+ years of iOS development experience
2+ years of hands-on React Native experience
Strong understanding of React hooks, async data flows, and state management
Experience integrating REST APIs and handling auth flows securely
Familiarity with mobile testing strategies (Jest, Detox, or equivalent)
Strong attention to UX quality, performance, and reliability
Familiarity with native iOS and Android SDKs
Experience implementing offline sync or background tasks

Benefits

100% employer-paid medical, vision, and dental insurance (multiple plans available).
100% employer-paid 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.
The opportunity to work at the forefront of health and longevity science with a team of world-class professionals dedicated to precision, mastery, and excellence.