Senior React Native Engineer - Remote & Offline-First

Devconnectplatform; Ciudad de Mendoza; Remoto; ARS 108.178.000 - 185.448.000; Tempo pieno

Vantaggi offerti da questo lavoro

Fully remote LATAM contractor role

Core hours in US time zones

Own one app from file to store release

Backend counterpart for sync/storage

AI coding agents integrated into daily

Typed code, automated tests, CI

Descrizione del lavoro

Tether is hiring a Mobile Engineer to own Keet Mobile, a React Native app for iOS and Android. You’ll work remotely from LATAM with core hours aligned to US time zones and collaborate with a backend developer as your counterpart on sync and storage APIs.

From first project setup to public release, you’ll drive features end-to-end, including zero-downtime submissions and robust offline support. You’ll review every diff, add missing tests, and ensure the app runs smoothly on real devices while

Competenze

• 4+ years building mobile apps, including React Native apps released on App Store and Google Play.
• Offline-first architecture with local storage, queued writes, retries and conflict handling.
• Performance tuning on low-end Android devices with measurable impact.
• Daily use of AI coding tools (Cursor, Claude Code) on production mobile work with TypeScript, automated tests and CI.
• Clear written and spoken English for PR descriptions, risk notes, and tradeoff explanations to a client team.
• Experience working from written acceptance criteria and ability to push back when needed.

Mansioni

• Set up Apple and Google developer accounts, signing, CI builds and testing tracks.
• Build local storage, write queue and retry logic to keep the app functional offline.
• Agree on sync and upload APIs with the backend developer and resolve conflicts.
• Implement phone-number sign-in with SMS codes and push notifications fallback to SMS.
• Develop camera capture and e-signature flows, versioning each signed record.
• Measure startup time, memory usage and app size on low-end Android devices.
• Handle store submissions, privacy disclosures and review rejections; monitor crashes and sync.

Conoscenze

React Native

Offline-first

Performance tuning

CI/CD

English communication

Acceptance criteria

Strumenti

Redux

Redux-Saga

Expo

WebSockets

Descrizione del lavoro

Tether is hiring a Mobile Engineer to own Keet Mobile, a React Native app for iOS and Android. You’ll work remotely from LATAM with core hours aligned to US time zones and collaborate with a backend developer as your counterpart on sync and storage APIs.

From first project setup to public release, you’ll drive features end-to-end, including zero-downtime submissions and robust offline support. You’ll review every diff, add missing tests, and ensure the app runs smoothly on real devices while