Hello,
I can help you with the Prestashop module.
I'm waiting from you a more detailed document to understand better the complexion of this project and to establish together the steps of it.
I am PrestaShop Official Partner, with over 5 years experience in e-commerce process and I'm sure that I can successfully complete it.
If you have any question do not hesitate to ask me, I'm waiting your messge to start the project.
Best regard,
Marius.