SEO expert for Google Search Engine

I am looking for an SEO expert to optimize the site, create back links in forums and blogs, write article, blogs to bring site on top in Google search engine. We are starting with just two keywords and will add more keywords once see the results. Our site is already on position 9 and 55 in search result. We want it on top (Top 2). Your past experience is very important. You must be a subject matter expert and you knowledge about SEO must be demonstrable. This is an ongoing work and please bid accordingly.