Bluetooth Smart Bin Lock with Android App

I'm seeking an innovative developer to create a Bluetooth smart lock for a bin, accompanied by an Android app featuring locking/unlocking functionalities, user management capabilities, and PIN code authentication.

Key Components:
- A Bluetooth-based smart lock
- An Android app for control and management
- User management system within the app
- PIN code-based authentication for locking/unlocking

Ideal Skills:
- Experience in Bluetooth device integration
- Proficiency in Android app development
- Understanding of user management system design
- Knowledge of implementing PIN code security measures in apps

Please include your relevant past work in your bid.