Article software

I am looking for a developer that can build a website similiar to this "iwriter dotcom." The site allows writers a simple way to write articles and make money. It also enable article buyers a streamlined way to submit and purchase articles. Please visit the site to look into the CMS. The CMS will have a login for writers, and a login for article submission. There is a commerce element that allows you to purchase credits as well. Please visit the site above and understand the complete scope of how this site works inside before placing quote.. My main focus is to get the admin and site functioning on the back-end. Please do not bid if you do not have the expertise or time to commit to see this project through. Do not bid if you cannot show me examples of proven expertise in this area. The ideal candidate would have successfully have built something similar. Reply with the keyword "Article CMS" in your response so I know you are not a robot responding. Please contact me and we will talk about the price.