Remote React Native Mobile Engineer (Offline-First)

Coderio; Tandil; Remote; ARS 139,086,000 - 216,357,000; Full time

Benefits offered by this job

Fully remote contractor

Core hours in US time zones

Own a single app through launch

Job summary

Tether is hiring a Mobile Engineer for Keet Mobile, built with React Native and Expo, to ship a P2P messaging app on iOS and Android. You will own features end to end, from UI to the P2P core integration, in a fully remote environment.

Join a global team delivering secure, scalable fintech experiences with a focus on performance and reliability. Prior remote work and strong English communication are essential.

Qualifications

• 4+ years building mobile apps with React Native.
• Experience with Expo and offline-first patterns.
• Experience collaborating with remote teams and clear English communication.

Responsibilities

• Build and polish features across chat, voice and video calls, and media sharing.
• Integrate native capabilities such as push notifications, camera, biometrics on iOS and Android.
• Profile and optimize performance on real devices, focusing on startup time and network use.
• Write unit and end-to-end tests and maintain CI and crash reporting.
• Collaborate with core P2P, design and product teams and review code at a high quality.

Skills

React Native

Redux

Redux-Saga

WebSockets

REST APIs

TypeScript

CI/CD

English communication

Tools

Expo

Xcode

Android Studio

Job description

Tether is hiring a Mobile Engineer for Keet Mobile, built with React Native and Expo, to ship a P2P messaging app on iOS and Android. You will own features end to end, from UI to the P2P core integration, in a fully remote environment.

Join a global team delivering secure, scalable fintech experiences with a focus on performance and reliability. Prior remote work and strong English communication are essential.