WordPress WooCommerce E-commerce Site

I am looking to have an e-commerce website built on the WordPress platform. The e-commerce functionality should be implemented using the WooCommerce plugin. My website will be selling physical goods. Therefore, the freelancer will need to have extensive experience and relevant skills in both WordPress and WooCommerce. Understanding of payment gateway integration for selling physical goods is a must. The ideal freelancer needs to have:
- A strong portfolio of previously developed e-commerce sites using WordPress and WooCommerce
- Knowledge of best security practices for an e-commerce site
- Skills in optimizing the site for mobile and SEO.