Bluetooth Controlled Raspberry Pi Office Lock

I'm looking for a Raspberry Pi based Bluetooth cabinet door lock for my office. The primary purpose of this lock is to control access in a shared space.

Ideal Skills:
- Proficiency in Raspberry Pi programming
- Experience in Bluetooth technology integration
- Mobile app development skills

Key Requirements:
- The lock should be secure and reliable
- It needs to be controlled via a mobile app
- The project includes both software and hardware components.

Please provide examples of previous similar projects you have completed.