Multi-Functional Business Management App

I'm seeking a skilled developer to create an Android app integrated with a software backend. The app should facilitate:

- Billing and GST calculation
- Attendance tracking
- Order placement
- Report viewing

Access control is essential, with three user levels: Admin, Manager, and Employee.

Ideal Skills and Experience:
- Experience in developing Android applications
- Proficiency in backend software integration
- Strong understanding of access control mechanisms
- Familiarity with billing and attendance tracking systems
- Ability to create user-friendly interfaces for all functionalities

I look forward to your expertise in bringing this project to life!