Remote React Native Engineer – P2P Mobile & Fintech

Darwoft; Buenos Aires; Remote; ARS 139,086,000 - 200,903,000; Full time

Benefits offered by this job

Global remote team

Job summary

Tether is hiring a Mobile Engineer on a 100% remote basis to build Keet Mobile (React Native + Expo) for iOS and Android. You will own end‑to‑end features, from UI/UX to integrating the P2P core, and work with a global remote team on a schedule that supports international collaboration.

Significant experience with React Native and Redux‑Saga, plus knowledge of native languages (Swift/Kotlin) and REST/WebSocket APIs, is valued. Join us to push the future of peer‑to‑peer digital tech.

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.
• 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 will 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, biometrics 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

Expo

Redux

Redux-Saga

WebSockets

REST APIs

Swift/Kotlin

Job description

Tether is hiring a Mobile Engineer on a 100% remote basis to build Keet Mobile (React Native + Expo) for iOS and Android. You will own end‑to‑end features, from UI/UX to integrating the P2P core, and work with a global remote team on a schedule that supports international collaboration.

Significant experience with React Native and Redux‑Saga, plus knowledge of native languages (Swift/Kotlin) and REST/WebSocket APIs, is valued. Join us to push the future of peer‑to‑peer digital tech.