>> Extensive expertise in Payment Gateway integration like as Recurring payments, credit card processing integration, Bitcoin, Braintree, shipping integration, auctions, Stripe, PayPal, PayPal Pro, SafePay, SagePay, To-Checkout, Authorize.net, Master Card etc. >> Complete expertise in Paypal, PayPal Express Checkout, PayPal Standard, PayPal Payment Pro, PayPal Payment Pro Hosted, PayPal Payment Pro UK, PayPal Payment Pro Payflow, PayPal Payment Pro, Payflow Link etc.