PHP MySQL Business App Developer

I'm looking for an experienced PHP and MySQL developer to help create and modify a web-based custom business application.

Key Functionalities:
- User Authentication
- Reporting and Analytics
- Inventory Management

You will need to modify an existing database schema.

Ideal Skills & Experience:
- Strong expertise in PHP and MySQL
- Experience with database schema modification
- Familiarity with building secure user authentication systems
- Skills in developing reporting and analytics tools
- Knowledge in inventory management systems

Please provide examples of similar projects you've completed.