Freelancer Product Listing Copywriter for eCommerce wanted

I am looking for a native English speaker to help create and manage retail product listings on multiple online channels including Amazon, eBay, Walmart.com, Toys R Us and others.

We sell Israeli retail products online in the USA in a number of sectors including cosmetics, baby toys, sunglasses and home/lifestyle and have a constant need to add and improve products to these channels.

Each channel has its own nuances and requirements in terms of keywords, texts, emphases, bullets and images.

Requirements
- Ability to write convincing product marketing copy for the purpose of online retail sales.
- Understanding of keywords and SEO and their influence on product listings; ability to do keyword searches.
- Ability to undertake competitor product research and regularly review and improve our listings to help them rank higher.
- Ability to work with multiple online systems for product management
- Knowledge of eCommerce systems and concepts
- Ability to do basic image management (cropping, resizing, converting, uploading etc)

Desirable
- Experience of online retail sales an advantage
- Familiarity with online portals such as Amazon, eBay and Rakuten
- Familiarity with product listings and management on Magento.
- Good level of experience in Excel (do you understand VLOOKUP?)

This will be part-time freelance work from home job with the potential to move to full time.