I am writing in response to your post. I wanted to pass along some info that could help you find the expertise you are looking for. Here are 3 contractors on oDesk that I've hand-picked for you as examples:
And, here is a search of a few more, so you can browse around yourself. You can narrow your search by changing the keyword or selecting from the options in the right side column, such as location, feedback score and hourly rate.
Hope this helps. Feel free to reply to this if you have any questions.