Hi,
Hope you are doing good,
I read your job details and i can update the paypal version as per your requirements,
I am having 6+ year experience in eCommerce, HTML5, CSS3, PHP, Prestashop, Website Design
I ensure you that i will provide you my best services and work on time from my side. I also provide you security and prevent your work from other hackers.
Lets have a quick discussion to start your work now.
Hope to hear positive response.
Thanks