Adding "strongbox" + db encription to chat app.

I am looking for a developer who can help me add the "strongbox" feature and implement database encryption to my Android chat app. This project is expected to take more than 2 weeks to complete.

https://developer.android.com/privacy-and-security/keystore



Requirements:
- Experience with Android app development
- Strong knowledge of database encryption techniques SQLite
- Familiarity with implementing security features like "strongbox" in mobile applications
- Database at rest

Skills:
- Android app development
- Database encryption
- Security feature implementation

Timeline:
- More than 2 weeks