Restaurant Android App Development

I need an Android app for my restaurant that includes:

- Menu display
- Online ordering (directly through the app)
- Table reservation

Additionally, I want to receive WhatsApp notifications for all orders.

Ideal Skills and Experience:
- Proven experience in Android app development
- Familiarity with integrating WhatsApp for notifications
- Experience with online ordering systems and UI/UX design for a restaurant app
- Ability to ensure app security and handle customer data responsibly

Please provide examples of similar work done. Thank you!