Remote Senior React Native Engineer - P2P Mobile Apps

Bluelight; Buenos Aires; Remote; ARS 139,086,000 - 185,448,000; Full time

Job summary

Tether is hiring a Mobile Engineer to build Keet Mobile with React Native and Expo, delivering peer‑to‑peer chat and calls on iOS and Android. You will own features end to end, from UI/UX to P2P core APIs, and optimize performance on real devices.

Significant React Native experience, Redux and Redux-Saga, plus WebSockets and RESTful APIs, are essential. Remote collaboration with a global team is encouraged, with opportunities to contribute to cutting‑edge fintech platforms.

Qualifications

• Significant experience with React Native, Redux for state management and Redux-Saga.
• Experience with WebSockets and RESTful APIs.
• Knowledge of Swift and Kotlin and native build tools is advantageous.
• Experience working with a remote team.
• Interested in modernizing mobile and web applications.
• Bonus for work on any peer-to-peer frameworks.

Responsibilities

• In this role, 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, and its P2P core runs on the device itself in a Bare worklet.
• You'll own features end to end, from UI/UX implementation to using the P2P core APIs.
• 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

WebSockets

RESTful APIs

Expo

Swift

Kotlin

Tools

Redux-Saga

Xcode

Android Studio

Job description

Tether is hiring a Mobile Engineer to build Keet Mobile with React Native and Expo, delivering peer‑to‑peer chat and calls on iOS and Android. You will own features end to end, from UI/UX to P2P core APIs, and optimize performance on real devices.

Significant React Native experience, Redux and Redux-Saga, plus WebSockets and RESTful APIs, are essential. Remote collaboration with a global team is encouraged, with opportunities to contribute to cutting‑edge fintech platforms.