Complete on and off page SEO

I need someone to do the complete running of on page and off page SEO for y web site. My web site is made with Weebly so prior knowledge of weebly would be handy! You will have to do everything SEO including finding the best keywords for my site and them targeting them! You will be able to start straight away. If you cant start now or dont understand everyhting I have written do not apply. Thanks, Johnathon