Android App Local DB Setup

I need an experienced developer to implement a local database for an Android mobile app. The app will store user data locally and sync with the server only when the app is opened.

Key Requirements:
- Local database to store user data
- Real-time data sync with server when app is opened
- Android platform compatibility

Ideal Skills & Experience:
- Proficiency in Android app development
- Experience with local databases (e.g., Room, SQLite)
- Knowledge in data synchronization techniques