Creation of a Dynamic Website, possibly using Wordpress or Php/MySQL/SQL framework

Need a highly qualified website creator/programmer to create a website with the following characteristics:

-Website will provide an offer on the first page for a product or service which visitors can purchase with their credit card. The offer will be available only for a limited time with countdown available for all to see.

-After clicking to purchase, payment must be accepted from credit card.

-The ability to then have a unique coupon printed and sent to the purchaser after the offer has expired.

-More details with specific example and full functionality will be given upon contact.

- See Groupon.com for similar site.