virtual assistant (VA) to manage my online business at website, amazon etc

I am looking to hire a virtual assistant to help manage my online business at my website, Amazon, eBay etc. The VA should be equipped with specific skills and experiences in order to fulfill the task. The virtual assistant will need to work 10-20 hours per week to make sure that both the website and Amazon are well taken care of. This includes Experience with E-commerce Platforms, Product Listing and Optimization, Knowledge of Digital Marketing including social media, SEO, email marketing, and PPC advertising to promote products and drive traffic etc... Additionally, the VA will be responsible for any other tasks that may need to be done to ensure my online business runs smoothly.