Software Hamilton

I am seeking an individual who has experience in web developement. Specifically in the feild of payment processing. I require the ability to integrate a POS terminal with my web site and transact payments.
All design work complete.
The project i am working on is a start up and am at the demo stage of this venture. The successful candidate(s) will work with me to create; design, pilot and market test the new purchasing system.
Payment:
Upon selection, the successful candidate and I will negotiate the terms and conditions.