Web Development/Shopify Online Store

I would like to set-up an online store using Shopify so I need someone with experience using Shopify for the following:
* choose appropriate theme for the store
* design a logo for the store
* help maintain website/online store - banner creation, entering of testimonials, and/or contents that needs to be put up or edited in the online store
* promoting through social media via IG and Twitter by posting images, sales talk, upcoming events, etc
* Assist in maintaining Facebook Shop