Hello, Mr.
We are a team having a lot of solutions now, very interesting your project.
We have rich experiences in shopping mall development such as Amazon, Ebay.
We are Web Designers, Wordpress Experts, Image Processing Experts, Network Expert, Android/iOS App Developers.
So we are good at your project.
We can reply your message or contact with you in day and night shifts every day, so don't worry timezone, of course English is good.
If you want us, I can make prototype in 3~4 days and show you.