ASP.NET/VB.NET Expert required

we are in need of a .net developer with knowledge in ASP.NET and VB.NET for our couple of big projects that is supposed to continue for more than 6 months. We need the developer to work in our environment. The developer will be paid for his time and we will explain the task to the developer very well before we give him any task. The developer will have full time work and will be paid bonus if the work is satisfactory. We are also looking for small companies who offer dedicated developers. If you are already working in an MNC, please do not bother to bid. The freelancer will need to have good knowledge in ajax, jquery. Knowledge of wcf,MVC will be a [login to view URL] will interview the developer on Freelancer before we accept him.