Custom PHP MySQL Admin Dashboard

I need an experienced developer to build a custom admin dashboard using PHP and MySQL. The dashboard must be responsive and feature clean, maintainable code.

Key Requirements:
- User Management:
- Role assignment
- User approval system
- Reports and Analytics: System performance metrics

Ideal Skills and Experience:
- Proficiency in PHP and MySQL
- Experience in building responsive admin dashboards
- Strong understanding of user management functionalities
- Ability to write clean, maintainable code
- Experience with data reporting and analytics

Please include examples of similar work in your bid.