React Native Expo Developer for Live Social/Dating App — Feature Updates & AdMob IntegrationTruelancer · Remote (India)

PROJECT BRIEF:We run Gibido, a live social/dating app built with React Native + Expo (Expo Router), Node.js backend, MongoDB, and Socket.io. The Android app is live on Play Store. The app is stable and existing subscription flows are working. We need a skilled developer to implement 4 specific feature updates.KEY REQUIREMENTS:1. Simplified Signup Flow:- Mobile OTP-only registration for new users (Mobile -> OTP -> Username -> Age -> Profile Pic -> Done).- Retain existing email/password login for old users.- Add "Change mobile number" in account settings. (MSG91 SMS OTP is already configured).2. Ads & Rewarded Access (AdMob):- Rewarded Ad Pass: User watches 2 rewarded ads to unlock 1 hour of premium access. Limit: Max 3 passes/day, 10-min cooldown after expiry, no stacking while active. Must be validated SERVER-SIDE.- Interstitial Ads: 1/day on app open, 1/day on exiting chat screen to chat list (never inside active chat window, hidden for paid users).3. UX & Map Improvements:- Map-based location picker using lightweight PMTiles (India vector tiles) + MapLibre GL.- Pin drop sends lat/lng to backend for point-in-polygon community lookup with live preview.- 3 onboarding tooltip pointers for first-time users (Community, Chat, Profile) with a Skip option.4. UI Polish & Maintenance:- Minor alignment fixes on the subscription screen (layout only).- Bug fixes for any issues arising during the integration.TECH STACK:- Frontend: React Native, Expo (Expo Router), EAS Build- Backend: Node.js, MongoDB, Socket.io- Integrations: AdMob, Firebase, MSG91, MapLibre GL / PMTilesDEVELOPER REQUIREMENTS:- 2+ years React Native & Expo experience with published Play Store apps.- Proficient with EAS builds and production deployment.- Comfortable with Node.js backend adjustments.- NDA required before repo/code access.