Cross-Platform WebView App Development

I'm looking for a skilled developer to create a WebView-based cross-platform app that supports both iOS and Android. The app will display a web app and needs to have push notifications and offline capabilities.

Key requirements include:
- WebView integration to display a web app
- Push notifications
- Offline capabilities

Ideal skills and experience:
- Proficiency in building WebView apps for iOS and Android
- Experience with push notifications and implementing offline functionality
- Familiarity with web apps and ensuring smooth integration within a WebView

Looking for a reliable developer who can deliver a high-quality product within budget.