WooCommerce Integration on WordPress with Plugins

I need a WordPress expert with WooCommerce experience to help me integrate a custom WooCommerce store on my site.

Key Requirements:
- Design and implement custom product pages
- Develop a tailored checkout process
- Integration with BITPAY for cryptocurrency payments (optional).
- Implementation of a flutter - the management of the adapted application will be on DESKTOP.
- Direct credit card processing,

Payment Integration:
- Incorporate PayPal as the primary payment gateway

Ideal Skills:
- Proficiency in WordPress , WooCommerce , Php , Html , CSS
- Experience in designing custom product pages and checkout processes
- Expertise in integrating PayPal with WooCommerce

Looking forward to your proposals.