SDE II – Mobile (React Native)

Role Overview:

We are hiring a Software Development Engineer II (Mobile) to build and ship FOXO's mobile apps across Android and iOS. You will work closely with product, design, AI and backend teams to deliver fast, reliable, AI-native mobile experiences. The ideal candidate has strong hands-on experience with React Native and the Expo ecosystem, a working understanding of native Android and iOS, and has shipped production-grade consumer apps.

Key Responsibilities:

Build and ship features end to end across Android and iOS using React Native, from spec to store release

Work closely with product, design, backend and AI teams to deliver AI-powered mobile experiences

Build native integrations such as Bluetooth, camera, maps and push notifications

Improve app performance, including startup time, rendering and responsiveness

Debug and resolve production issues, and ship fixes via EAS Update (OTA)

Contribute to CI/CD pipelines, automated testing and release workflows

Participate in code reviews and contribute to architecture discussions with the Lead Mobile Engineer

Requirements:

3–5 years of mobile engineering experience, with 3+ years in production React Native

Strong proficiency in JavaScript and TypeScript

Hands-on experience with Expo and EAS (Build, Submit, Update)

Working knowledge of Android and iOS internals and native modules (Kotlin or Swift)

Experience with mobile performance profiling and optimization

Has shipped and maintained a consumer app on the Play Store or App Store

Strong ownership and ability to work independently in a startup setting

Experience with BLE, maps or camera integrations

Mobile CI/CD experience (GitHub Actions, Fastlane)

Testing experience with Jest, Detox or Maestro

Experience building features on LLM or AI APIs