Senior React Native Mobile Engineer — Remote, Offline-First

Coderio; Tandil; Remote; ARS 85,158,000 - 149,026,000; Full time

Benefits offered by this job

Fully remote

Job summary

Tether is seeking a Mobile Engineer to own Keet Mobile end-to-end, from initial project setup to public releases on iOS and Android. This fully remote role targets LATAM contractors, with core hours overlapping US-based teammates.

You will work with AI coding agents in a sprint-driven environment, owning features, tests and release decisions while collaborating with backend and design teams for quality and speed.

Qualifications

• 4+ years building mobile apps, with React Native deployed to App Store and Google Play.
• Offline-first architecture with local storage, write queues, retries, and conflict handling.
• Performance tuning on low-end Android devices, measuring startup time and memory.
• Daily use of AI coding tools (Cursor or Claude Code) with TypeScript, tests, and CI.
• Clear written and spoken English for client communications, PR notes, and risk tradeoffs.

Responsibilities

• Set up Apple and Google developer accounts, signing, CI builds and testing tracks.
• Build local storage, write queue, and retry logic for offline operation.
• Define sync and upload APIs with backend, resolving edits conflicts.
• Implement phone-number sign-in via SMS and push notifications with SMS fallback.
• Ensure app is ready for store submissions and monitor crash and sync health.

Skills

React Native

TypeScript

AI coding tools

CI/CD

Offline-first

English communication

Code review

Tools

Expo

Redux

Xcode

Android Studio

Job description

Tether is seeking a Mobile Engineer to own Keet Mobile end-to-end, from initial project setup to public releases on iOS and Android. This fully remote role targets LATAM contractors, with core hours overlapping US-based teammates.

You will work with AI coding agents in a sprint-driven environment, owning features, tests and release decisions while collaborating with backend and design teams for quality and speed.