Chatting Messenger program

my chat project is already run on internet but i leave the company i was work with it my project is done by 85% but i have few things need to fixed program is already run but the proplem with server stability program is not stable so i need profesional socket programmer and work will be through my remote desktop server cause i will not give source to any one cause i paid more than 7500$ on it so who interested im ready to work with them and contact him but should be profesional on socket programming