Part Time/Full Time VA - Internet Researching, Shopify, Ecommerce, Order Fulfillment, Social Media Marketing

I'm the owner of an online company, we sell physical products online.
We're looking for a VA for a part time job that can be upgraded to a full time job after a certain time.

You should have a basic idea (preferred experience) on how to do these:

*Major in Sourcing/Order Products, Order Fulfillment on Shopify Stores.
* Researching online for top selling products in sites like: Ebay, Amazon, Aliexpress etc..
* Create new listings for products and fulfill orders inside a Shopify store.
* Giving top level customer service via email and FB pages.

*Facebook Fanpages - Create & Posting Viral Content
*Instragram - Create Instragram Profiles, Create & Posting Viral Content
* Advantage - if you have experience in ecommerce stores like Amazon, Ebay, Shopify