Wordpress Credit Card/ Paypal - International Payments Integration

We need an expert or team of experts who is well versed with Wordpress Credit Card/ Paypal - International Payments Integration for India Based Bank Account/ Company. #. The end level product must be able to allow Online Buying with facility to receive Worldwide Payments via credit cards/ paypal etc (with Indian Bank Account). It also must have Offline Buying (like Bank Transfer Option) allowing customer to enter the required details, which will then be followed up by our team over the top for further processing of Orders. #. Depending upon if customer chooses to Buy Now (instead of choosing to paying via Bank Transfer as mentioned above) > The Customer should be able to make the purchase from any page or post > Customer will click on 'Select Licence' and choose one of the 4 options: Single User Licence, Team User Licence, Corporate Licence, or Enterprise wide licence (with differential pricing) > Then Click Buy now > Enter Credit Card Details > and Through with 100% success rate. #. The end level ready product mustn't slow the site and be very lightweight and be simple & easy to operate by non-experts. #. The interested candidates/ teams must have extensive word press experience to ensure no disruption happens on the live site; and integration happens smoothly, with backend facility to create & price products customarily. #. Customer could make purchase without registering or after registration with verify link etc. as generally online shopping happens. #. Only serious people with extensive experience must come forward and apply with a committed deadline.