Remote React Native Mobile Engineer – P2P Fintech

Agileengine, Llc.; Tandil; Remote; ARS 139,086,000 - 216,357,000; Full time

Job summary

Tether is hiring a Mobile Engineer to advance Keet Mobile built with React Native and Expo for iOS and Android in a 100% remote setup. You will own features end to end, from UI/UX to the P2P core integration, contributing to secure, scalable peer-to-peer communications.

Join a global team and help drive the next generation of fintech mobile experiences, with a strong emphasis on performance, reliability, and rapid iteration across platforms.

Qualifications

• Significant experience with React Native and Expo-based apps.
• Experience with Redux and Redux-Saga in mobile apps.
• Proficiency with WebSockets and RESTful APIs.
• Knowledge of native iOS/Android build tools (Swift/Kotlin, Xcode, Android Studio) is a plus.
• Experience working with remote teams and modernizing mobile/web apps.

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, 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

Redux-Saga

WebSockets

RESTful APIs

Swift/Kotlin

Expo

Tools

Expo

Xcode

Android Studio

Job description

Tether is hiring a Mobile Engineer to advance Keet Mobile built with React Native and Expo for iOS and Android in a 100% remote setup. You will own features end to end, from UI/UX to the P2P core integration, contributing to secure, scalable peer-to-peer communications.

Join a global team and help drive the next generation of fintech mobile experiences, with a strong emphasis on performance, reliability, and rapid iteration across platforms.