Shopify Integration with Multiple Platforms

I need an expert who can set up my Shopify store to smoothly integrate with eBay and Facebook Marketplace, the sales platforms I currently use. Additionally, I'd like to expand my store's visibility on Amazon, Etsy, Pinterest, and Instagram. Knowledge in managing APIs and eCommerce integrations is a plus. Experience with Shopify in the context of selling physical products would be perfect.

Here's my detailed requirements:
- Setting up Shopify store to integrate with existing sales on eBay and Facebook Marketplace
- Expanding store visibility by creating links to Amazon, Etsy, Pinterest, and Instagram
- Ensuring smooth and efficient sales processes across all platforms

Ideal skills:
- Proficiency in Shopify
- Expertise in handling API and eCommerce integrations
- Familiarity with eBay, Facebook, Amazon, Etsy, Pinterest, Instagram
- Experience with selling physical products in the online market.