Website SEO

I am a freelancer myself. One of my client wants to do the SEO of their website. They are into forex trading and its education. I want an expert SEO person who can do all of the SEO's of website like on page, off page, technical, white hat, backlinks etc everything. Its an ongoing project. It is a very comprehensive website. SEO has not been done before. This is the website nexttradeforex.com