Stun / turn ice protocol -- 2

I looking C Programmer who have good knowledge and experience in C Programming and c code compile in ubuntu. Here is work detail I want to make Tcp server and client in C where server and client send data to each other with socket. + Both server and client behind the Nat/router You have to make /compile stun/turn protocol for Nattraversal. if you know about socket programming and nattraversal or can done this work then apply for job. Skill Required C stun/turn server and client ubunt compilation If you dont have time or skill dont apply for job. Required work in 3 days