Remote React Native Mobile Engineer — P2P & Chat Apps

Atomic Hr; Tandil; Remote; ARS 139,086,000 - 231,811,000; Full time

Job summary

Tether is hiring a Mobile Engineer specializing in React Native to own Keet Mobile on iOS and Android. You will contribute to a peer-to-peer chat and calling app, using Expo and a native bridge, with a focus on performance and reliability across remote teams.

The role emphasizes end-to-end feature ownership, collaboration with design/product teams, and delivering high-quality code with strong testing and CI practices.

Qualifications

• Significant experience with React Native, Redux for state management and Redux-Saga.
• Experience with WebSockets, RESTful based APIs.
• Knowledge in native languages (Swift/Kotlin) and familiarity with native build tools (Xcode/Android Studio) is advantageous.

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

React Native

Redux for state management

Redux-Saga

WebSockets

RESTful APIs

Expo

Tools

Expo

Xcode

Android Studio

Job description

Tether is hiring a Mobile Engineer specializing in React Native to own Keet Mobile on iOS and Android. You will contribute to a peer-to-peer chat and calling app, using Expo and a native bridge, with a focus on performance and reliability across remote teams.

The role emphasizes end-to-end feature ownership, collaboration with design/product teams, and delivering high-quality code with strong testing and CI practices.