Feature-Rich WebView Android App Development

I am looking for an experienced Android Developer who can build a feature-rich WebView-based mobile app. The ideal candidate should have hands-on experience working with WebView, deep integration of device features, and third-party SDKs.

Key Responsibilities:
Build and deploy a stable and performant WebView Android app.
Integrate system-level permissions (Camera, Location, etc.).
Implement custom Splash Screen, Onboarding flow, and App Settings UI.
Enable smart link handling and URL overrides.
Set up and integrate OneSignal for push notifications.
Integrate Google AdMob for monetization.
Add biometric authentication (Fingerprint/Face Unlock).
Implement UI components like Bottom Navigation, Floating Action Buttons, and Pull to Refresh.
Handle media with a custom media player and support file downloads/uploads.
Include a No Internet screen fallback.
Support barcode scanning and background location tracking.
Add In-App Review functionality.
Integrate Facebook App Events, Firebase Analytics, and AppsFlyer.
Add Haptic feedback, native calendar, and contacts integration.
Enable social login (Google, Facebook, etc.).
Support in-app purchases (IAP) and custom notification sounds.
Proficient in Kotlin and Android Jetpack components.
Strong experience in WebView-based Android apps.
Familiarity with Google Play policies and Play Store publishing.
Experience with Firebase, OneSignal, AppsFlyer, and Google AdMob.
Working knowledge of device hardware APIs (Camera, Location, Contacts etc).
Comfortable with third-party SDKs and integration testing.
Ability to write clean, modular, and maintainable code.