WooCommerce Backend Performance Optimization

My WooCommerce backend is experiencing significant slowdowns across various aspects, including product management, order processing, and dashboard loading. I need an experienced WooCommerce developer to investigate, identify, and resolve these issues.

Specific Requirements:
- Diagnose and resolve performance issues in the WooCommerce backend.
- Ensure the solution works seamlessly with the custom theme I'm currently using.

Ideal Skills and Experience:
- Proven experience with WooCommerce.
- Strong skills in diagnosing backend performance issues.
- Experience with custom themes.
- Ability to deliver a fast, efficient solution.