Hello,
I am an expert with 8+ years of experience in creating & designing online store, Shopify/eCommerce websites, PHP, HTML/CSS simple to complex websites, and membership WordPress sites.
All payment method like PayPal, PayPal Pro, google checkout, Shipping method has been implemented.
So, I will suggest you come over chat so that I could consult you in details in order to provide value as this project needs.
Regards
Santosh Kumar