experienced php Programmer - for integrating payment gateway and other programming tasks needed

We are looking for a programmer that is good in php programming and other programming language. We are integrating with payment gateway and our own system. You need to be good with integrating with payment gateway api.

We might need you to create a quiz too. It's not really a quiz but more details will be provided.

The end user can choose their answers, and based on their responses, there'll be responses.

It must also able to capture all the different responses the visitor made. We also want to know at which point the visitor usually drops out. Please include "phppro2" in your email.

More will be revealed. please let us know your experience and what you have done before. Have you integrate with payment gateway before?

How good are you in PHP?

What other programming language do you know?