Remote Mobile Engineer, React Native for P2P Messenger

Tether; United Kingdom; Remote; GBP 70,000 - 110,000; Full time

Job summary

Tether is hiring a mobile engineer to develop and maintain Keet Mobile for iOS and Android. The app uses React Native, Expo, and a peer-to-peer core that runs on-device; you'll own features end-to-end from UI to core integration.

You will work with the P2P, design and product teams, implement chat, voice and video, notifications, and performance tuning on real devices, with a strong emphasis on code quality, testing, and remote collaboration.

Qualifications

• Significant experience with React Native, Redux for state management and Redux-Saga.
• Proficient in JavaScript and ES6+.
• Experience working with a remote team.

Responsibilities

• 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, bio-metrics 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.

Skills

JavaScript

React Native

Redux

Redux-Saga

Tools

Xcode

Android Studio

Job description

Tether is hiring a mobile engineer to develop and maintain Keet Mobile for iOS and Android. The app uses React Native, Expo, and a peer-to-peer core that runs on-device; you'll own features end-to-end from UI to core integration.

You will work with the P2P, design and product teams, implement chat, voice and video, notifications, and performance tuning on real devices, with a strong emphasis on code quality, testing, and remote collaboration.