Amazon virtual assistant

We introduce our first product on Amazon UK. We are looking for a person who has experience in running effective advertising campaigns (Amazon PPC), product promotion and increasing sales on Amazon. By the end of the year, we plan to launch 5 - 10 additional products for sale.
We are looking for a person who will work with us permanently.
The basic salary is $ 500. However, the wage will be increased regularly if we manage to achieve our goal.