rewards system

We want similar system as freelancer.com for rewards build in our website. The website is build with smarty framework, so before bidding make sure you understand smarty but also first have a good look at the script wiiki for building add-on in it. [login to view URL] is the developers section, where they explain how to build add-on The rewards module must be build as add-on, so that it possible to turn irt off , or update the module seperatly. The website is our base , and we look for a skilled programmer to do several tasks on that domain on a regularly base.