WooCommerce Subscription Plugin Development

I'm seeking an experienced developer to recreate a WooCommerce plugin focused on subscription management.

Essential Features:
- Recurring billing
- Free trial periods
- Subscription upgrades and downgrades

Ideal Skills and Experience:
- Proficiency in WooCommerce and WordPress development
- Strong background in subscription-based systems
- Experience with plugin development and customization
- Knowledge of secure payment processing and billing systems

Please provide examples of similar work done.