Senior React Native Engineer — Remote Worldwide

Darwoft; La Pampa; Remote; ARS 139,086,000 - 185,448,000; Full time

Job summary

Tether is hiring a Mobile Engineer to develop Keet Mobile using React Native and Expo, focused on peer-to-peer chat and calling across iOS and Android. You will own UI/UX integrations, P2P core interactions, and performance optimizations in a remote, globally distributed team.

The role emphasizes end-to-end feature ownership, collaboration with design and product teams, and contributing to a fast-paced fintech platform with cutting-edge tech.

Qualifications

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

Responsibilities

• In this role, you will develop and maintain Keet Mobile, our peer-to-peer chat and calling app for iOS and Android.
• 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

Remote teamwork

Tools

Redux-Saga

Job description

Tether is hiring a Mobile Engineer to develop Keet Mobile using React Native and Expo, focused on peer-to-peer chat and calling across iOS and Android. You will own UI/UX integrations, P2P core interactions, and performance optimizations in a remote, globally distributed team.

The role emphasizes end-to-end feature ownership, collaboration with design and product teams, and contributing to a fast-paced fintech platform with cutting-edge tech.