[HIRING] React Native Android Dev – Fix VoIP Calling (FCM + WebRTC)

Hey, I’m building an edtech app, where mentors call students via in-app VoIP.

We already have a working system using:

•	React Native (bare)

•	LiveKit (WebRTC)

•	FCM (data notifications)

•	Socket.IO

But on Android, it’s unreliable:

•	Incoming calls sometimes don’t show

•	Answer button doesn’t open call screen

•	FCM delay (5–10 sec)

•	Issues on OEM devices (OPPO, Vivo, Realme, etc.)

Looking for someone who has:

•	Strong React Native + Android native experience

•	Worked on VoIP / calling systems

•	Experience handling FCM + background/killed state

•	Familiar with Android battery optimization issues

Goal: Make it work as reliably as WhatsApp calling

⏱ Timeline: 2–3 days

💰 Budget: Flexible for the right person

If you’ve built something similar, comment or DM with:

•	Past work (VoIP / real-time apps)

•	Brief approach you’d take

I’ll share full technical details after shortlisting.