Senior React Native Engineer — Remote, Own Keet Mobile

Bluelight; Ciudad de Mendoza; Remote; ARS 185,448,000 - 247,265,000; Full time

Benefits offered by this job

Fully remote LATAM

US time zone overlap

Own one app

Backend counterpart

AI coding agents workflow

Job summary

Tether is seeking a Mobile Engineer (React Native) to own Keet Mobile from UI to P2P core for iOS and Android. You will ship features in two‑week sprints, ensure offline reliability, and coordinate with a backend counterpart.

This is a fully remote contractor role from LATAM, ~40 hours per week, with core hours in US time zones. You’ll write tests, review code, and maintain releases via CI and crash monitoring.

Qualifications

• 4+ years building mobile applications with React Native.
• Offline-first architecture with local storage, queued writes, retries and conflict handling.
• Performance tuning on low-end Android devices, measuring startup time and memory impact.
• Daily use of AI coding tools on production mobile work with TypeScript, automated tests and CI.
• Clear written and spoken English for PR descriptions, risk notes and stakeholder explanations.
• Experience working from written acceptance criteria and ability to push back on merges that miss them.

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 both iOS and Android.
• Profile and optimise 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

Offline-first

Performance tuning

English proficiency

AI coding tools

Tools

Cursor

Claude Code

Job description

Tether is seeking a Mobile Engineer (React Native) to own Keet Mobile from UI to P2P core for iOS and Android. You will ship features in two‑week sprints, ensure offline reliability, and coordinate with a backend counterpart.

This is a fully remote contractor role from LATAM, ~40 hours per week, with core hours in US time zones. You’ll write tests, review code, and maintain releases via CI and crash monitoring.