Senior React Native Engineer — Remote P2P Mobile

Darwoft; Santa Fe Capital; Remote; ARS 138,361,000 - 199,855,000; Full time

Job summary

Tether seeks a Mobile Engineer React Native (100% Remote) to own and enhance Keet Mobile, a peer-to-peer chat and calling app for iOS and Android. You’ll work with React Native, Expo, and a device-resident P2P core, delivering features end to end from UI to core APIs.

You’ll collaborate with design, product and P2P teams, ensure performance, implement native enhancements, and contribute to testing and CI processes for stable releases.

Qualifications

• Significant experience with React Native, Redux for state management and Redux-Saga.
• Experienced with WebSockets and RESTful based APIs.
• Knowledge of native languages Swift/Kotlin and familiarity with native build tools (Xcode/Android Studio) is advantageous.
• Experience working with a remote team.
• Interested in modernizing and optimizing mobile or web applications.
• Bonus points if you have built something amazing on any p2p frameworks.

Responsibilities

• Develop and maintain Keet Mobile, our peer-to-peer chat and calling app for iOS and Android.
• Own features end to end, from UI/UX to using the P2P core APIs.
• Integrate with platform capabilities like push notifications, camera, biometrics, and background tasks on iOS and Android.
• Profile and optimize performance on real devices, including startup time, long chats, media handling, battery and network use.
• Write unit and end-to-end tests and ensure releases stay stable via CI and crash reporting.

Skills

React Native

Redux

Redux-Saga

WebSockets

RESTful APIs

Native Swift/Kotlin

Tools

Expo

Xcode

Android Studio

Job description

Tether seeks a Mobile Engineer React Native (100% Remote) to own and enhance Keet Mobile, a peer-to-peer chat and calling app for iOS and Android. You’ll work with React Native, Expo, and a device-resident P2P core, delivering features end to end from UI to core APIs.

You’ll collaborate with design, product and P2P teams, ensure performance, implement native enhancements, and contribute to testing and CI processes for stable releases.