IPTV Billing Panel Development -- 3

I'm seeking a skilled PHP developer to build an IPTV Billing Panel. You can take some inspiration from this website: https://beta.gpanel.me/login.

The panel should include:

Subscription Management
- Automated renewals
- Subscription tiering
- Free trials

Access Control
- Admin, reseller, and user panels

Ideal Skills and Experience:
- Strong proficiency in PHP
- Experience with building billing and subscription management systems
- Knowledge of access control mechanisms
- Familiarity with IPTV systems is a plus

Please provide your portfolio and relevant experience.