Looking for a React Native Android developer to fix VoIP calling issues in an edtech app. The app currently uses React Native (bare), LiveKit (WebRTC), FCM (data notifications), and Socket.IO, but Android reliability issues exist including incoming calls not showing, answer button not opening call screen, FCM delays, and problems on OEM devices (OPPO, Vivo, Realme, etc.).

• Job Location: Remote
• Salary: Flexible for the right person
• Employment Type: Contract (2–3 days timeline)
• Other relevant details: Goal is to make it work as reliably as WhatsApp calling

An edtech app builder whose app enables mentors to call students via in-app VoIP.

• Fix VoIP calling issues on Android platform
• Ensure incoming calls display reliably
• Fix answer button functionality
• Resolve FCM delay issues (5–10 sec)
• Address problems on OEM devices (OPPO, Vivo, Realme, etc.)

• Strong React Native + Android native experience
• Worked on VoIP / calling systems
• Experience handling FCM + background/killed state
• Familiar with Android battery optimization issues

How to Apply
Interested candidates should comment or DM with:

• Past work (VoIP / real-time apps)
• Brief approach you'd take

Full technical details will be shared after shortlisting.

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