C# Asynchronous Proxy

We want to develop an asynchronous proxy used in a game server between the clients and the gameserver itself. *Info: Protocols used : TCP only. Capacity : up to 3,000 simultaneous users with moderate to heavy packet processing in real-time with minimum latency and cpu usage. Language prefered : C# Target framework : 4.5 or higher *Requirements: You are required to speak good English in addition to be having good knowledge in these fields: - C# programming -Multithreaded applications -Networking -Asynchronous I/O -Resource management *Description of the project: We have a game server(s) and we want to intercept and analyze all packets incoming or outgoing from the server to the players and apply our own methods to further "filter" these packets. The proxy must be asynchronous and able to hold thousands of connections along with packet processing with minimum delay. It also must be disposing un-used resources and performing garbage collection properly with no memory leaks. Typically, there is a main class, a listener class, a server class and a user class where the packet processing will occur. Send me a message if you have any questions.