SignalR Video Calling Application

We are looking for an expert in SignalR who can help us develop our video calling application. This is a proof of concept project and you will be working directly with our team of developers. We will do the work together. The objective is for the master application to be able to do initiate video calls with the client application. We will have a SignalR server to manage the signalling between applications.

You must have previous experience using SignalR for this. The application will be built in c# .net WPF.