Mobile Engineer - React Native (100% Remote)

Join Tether as a Mobile Engineer focused on React Native development. You will develop and maintain Keet Mobile, our peer-to-peer chat and calling app for iOS and Android. Keet Mobile is built with React Native and Expo, with its P2P core running on the device itself in a Bare worklet. You'll own features end to end, from UI/UX implementation to integrating the P2P core APIs.

What you'll do

• Build and polish features across chat, voice and video calls, media sharing, device pairing and identity backup
• Integrate native platform capabilities such as push notifications, camera, biometrics and background tasks on both iOS and Android
• Profile and optimise performance on real devices, including startup time, long chats, media handling, battery and network use
• Write unit and end-to-end tests, and help keep releases stable through CI and crash reporting
• Work closely with the core P2P, design and product teams, and review code with a high bar for quality

What we offer

• 100% remote work

About Tether

Tether is a global fintech platform that pioneered USDT, the world's most trusted stablecoin. The company develops reserve-backed digital asset solutions across multiple divisions, including Tether Finance (digital asset tokenization), Tether Power (sustainable Bitcoin mining), Tether Data (P2P technology and applications like KEET), Tether Education (digital learning), and Tether Evolution (emerging technology initiatives). Tether operates a globally distributed remote team.