React Native Developer — Background GPS + Safety Alert App
Posted 3 weeks ago
Worldwide
Summary
Required • Proven experience with React Native (Expo or bare workflow) • Has implemented background GPS in mobile apps — this is the most critical requirement • Experience with external APIs (OAuth, REST) • Clear communication in English (Portuguese is a plus) Nice to Have • Experience with Strava API or Garmin API • Experience with Twilio for automated calls • Experience with Supabase or Firebase • Knowledge of Bluetooth BLE in React Native • Background in health, safety, or fitness apps Not Required • Designer — the design is already done • No-code / Bolt.new experience
$500.00
Fixed-price- IntermediateExperience Level
- Remote Job
- Ongoing projectProject Type
Skills and Expertise
Mandatory skills
React Native
Location-Based Service
Activity on this job
- Proposals:20 to 50
- Last viewed by client:3 weeks ago
- Interviewing:5
- Invites sent:0
- Unanswered invites:0
About the client
Member since Jun 8, 2026
- Portugal8:14 PM
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