I need an experienced mobile developer to complete subscription payments with RevenueCat in an existing Expo (React Native) app and handle submission to both Apple App Store and Google Play. The app already exists. This project is focused on integration, testing, and release (not full app development). Scope of Work Finalize RevenueCat integration in Expo (using EAS builds, not Expo Go) Configure subscriptions, entitlements, and restore purchases Set up products correctly in App Store Connect and Google Play Console Run end-to-end purchase testing in sandbox/test environments Prepare production builds and submit to both stores Support store review process and fix submission-related issues if needed Deliverables Working subscription flow in production Successful submission to iOS and Android stores Short handover notes (what was configured and where) Required Skills React Native Expo / EAS Build RevenueCat In-App Purchases (iOS/Android) App Store Connect Google Play Console Mobile App Deployment Subscription Billing Contract duration of less than 1 month. with 30 hours per week. Mandatory skills: iOS, Android, Mobile App Development