Hello,
I am much comfortable to design and build E-commerce store. I understand the importance of simplicity in user experience for an e-commerce website, as well as your need for high-end design. I have developed many E-commerce websites using different E-commerce frameworks and builder like PHP, Shopify, WordPress Woocommerce.
I wanted to personally discuss about your project, which helps me to give you the right estimation.
Regards,
Vijendra
PS: I'll submit my best quote once SOW finalizes. No doubt, All payments will be payable by milestones. Please, keep in mind that payments happen ONLY after you are 110% satisfied with the project progress.