seo and internet marketing for website

Hello, We are looking for an experienced SEO for our MULTILINGUAL website. The market we are in is very competitive, keywords are very hard to be on top of the search engines, the freelancer team must have knowledge and experience on these kind of projects. We are in the middle of re-designing our site from scratch and will lunch new version in mid May. Ideally we are looking for direct seo on various portals and forums in different languages in order to drive ONLY relevant traffic to the new site. The SEO cannot conflict with any search engines guidelines like Google, Yahoo, Msn and no black hat or any such activities. . - experience in multi language seo tasks are a must for this project. . If you would are interested in this project please contact for further details. thanks!