Hi,
I have review project details and have gone through your requirements and would like to discuss further regarding the project with you.
warm regards,
Syed Adnan Nasir
i have developed many website related to eCommerce along with cart function and payment gateway.
if needed i can help you to do needful . if interested can initiate a talk / skype with me.
As per reading your job description i understand what you are looking for and i am only sending this proposal on the behalf of required experience and skills.