Webview App with Push Notifications

I'm looking for a developer to create a webview app for both Android and iOS platforms. The app will display an existing website and require user authentication using existing credentials.

Key Requirements:
- Webview display of an existing website
- User authentication integration (using existing credentials)
- Push notifications

Ideal Skills and Experience:
- Experience in developing webview apps for Android and iOS
- Proficiency in implementing push notifications
- Strong background in user authentication protocols

Please provide examples of similar work done.