Prestashop Multistore Personalization

Avg Bid (EUR)
Project Budget (EUR)
€250 - €750

Project Description:
Hello, I'm searching a PHP developer with prestashop customization expirience.
I'm currently working on a multistore project.
I want to use prestashop in multistore configuration, but my problem is that i can't understand how can i see
all products of all shops in the main shop.
The obiective is to create a 'ebay stores' like shop.

I see this site
developed with prestashop.
Here customers can create a shop and their products are visibile on the main site
My idea is something like this.

thank you for your help.

If you know some ecommerce software more suitable for my project,
any suggestion is appreciated

Skills required:
Prestashop, Website Design
About the employer:
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