Big Commerce site needs on-site and off-site SEO

Big Commerce e-commerce website needs highly professional SEO. We will require freelancer to perform keyword research to identify the best keywords for our site, complete onsite SEO, produce high quality relevant inbound links and all other effective and relevant off site SEO to quickly get us to page one. You must be familiar with the Big Commerce platform and have a proven track record of successfully optimizing Big Commerce websites. This will be an ongoing project but freelancer must produce verifiable results within 90 days to continue with the project.