Remote React Native Mobile Engineer – P2P & Calls

Tether Operations Limited; Rosario; Remote; ARS 139,086,000 - 200,903,000; Full time

Job summary

Tether Operations Limited is seeking a Mobile Engineer to maintain and enhance Keet Mobile, a React Native app for iOS and Android, built with Expo. You will own end-to-end features, collaborate with design and product teams, and contribute to real-time messaging and peer-to-peer capabilities.

Ideal candidates have strong React Native experience, Redux and Redux-Saga, knowledge of native iOS/Android tools, and a track record of delivering high-quality mobile experiences in a remote, global team.

Qualifications

• Strong React Native experience with production apps.
• Familiarity with Redux, Redux-Saga, and real-time features.
• Experience with WebSockets and RESTful APIs.
• Knowledge of native iOS/Android tooling (Xcode/Android Studio).
• Experience working with remote/global teams.

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, biometrics and background tasks on iOS and Android.
• Profile and optimize performance on real devices, focusing on startup time, long chats, media handling, battery and network use.
• Write unit and end-to-end tests and support releases with CI and crash reporting.
• Collaborate with core P2P, design and product teams and maintain high code quality.

Skills

React Native

Redux

Redux-Saga

WebSockets

REST APIs

Expo

Tools

Xcode

Android Studio

Expo

Job description

Tether Operations Limited is seeking a Mobile Engineer to maintain and enhance Keet Mobile, a React Native app for iOS and Android, built with Expo. You will own end-to-end features, collaborate with design and product teams, and contribute to real-time messaging and peer-to-peer capabilities.

Ideal candidates have strong React Native experience, Redux and Redux-Saga, knowledge of native iOS/Android tools, and a track record of delivering high-quality mobile experiences in a remote, global team.