Facebook Ads Expert for Advertising Products on Amazon, Etsy & Website

I'm in need of assistance to optimize the performance of:

10 already created Etsy products
20 already created Amazon products
10 already created Shopify products

The sole objective of these ads is to boost product sales. The products in focus physical products (not digital).

Ideal Skills and Experience:
- Proven track record in advertisement optimization
- Specific experience with Etsy ads
- Understanding of physical product items market
- Demonstrable results in driving sales via ads

It will be a low budget to start so that we can see if any of these works better than the other.

The contractor will be expected to make data-informed decisions to enhance the ads performance and ultimately increase the sales.

Must be English speaking