Remote React Native Mobile Dev — End-to-End App Ownership

Alpha Efficiency; Ciudad de Mendoza; Remote; ARS 138,361,000 - 184,482,000; Full time

Benefits offered by this job

Fully remote

US time-zone overlap

Own one app end-to-end

Backend collaboration

AI coding tools

Job summary

Alpha Efficiency is seeking a senior mobile developer to own an offline-first React Native app from the first project setup to public launch on App Store and Google Play. You’ll work remotely from LATAM, signing accounts, configuring CI, and building the local storage, write queue, and retry logic to keep the app functional offline.

You’ll define sync APIs with the backend, implement SMS sign-in with push fallbacks, add camera capture and e-signature flows, and optimize performance on low-end

Qualifications

• 4+ years building mobile applications, including React Native apps released on both the App Store and Google Play
• Offline-first work with local storage, queued writes, retries and conflict handling
• Performance tuning on lower-end Android devices, tracking startup time and memory impact
• Daily use of AI coding tools on production work, with TypeScript, automated tests and CI around it
• Clear written and spoken English for client communications and PR descriptions

Responsibilities

• Set up Apple and Google developer accounts, signing, CI builds and testing tracks
• Build local storage, write queue and retry logic for offline reliability
• Define sync and upload APIs with backend, resolve conflicts
• Implement phone-number sign-in with SMS and push notifications fallbacks
• Build camera capture and e-signature flows with versioned records
• Optimize startup time, memory, and app size on low-end Android devices
• Handle store submissions, privacy disclosures and monitoring of crashes/sync

Skills

React Native

Offline-first

CI/CD

TypeScript

English communication

Tools

CI tooling

AI coding tools (Cursor/Claude Code)

Job description

Alpha Efficiency is seeking a senior mobile developer to own an offline-first React Native app from the first project setup to public launch on App Store and Google Play. You’ll work remotely from LATAM, signing accounts, configuring CI, and building the local storage, write queue, and retry logic to keep the app functional offline.

You’ll define sync APIs with the backend, implement SMS sign-in with push fallbacks, add camera capture and e-signature flows, and optimize performance on low-end