SMM Panel Script Editor

I need an expert to edit my SMM panel script, which is written in PHP.

Key Requirements:
- Add/modify functionalities like user management features, payment gateway integration, and service order management.
- Overhaul the user interface for a more modern and intuitive experience.

Ideal Skills and Experience:
- Proficiency in PHP and experience with SMM panels
- Strong UI/UX design skills
- Familiarity with payment gateway integration