I am an enthusiastic and dedicated professional in problem solving and software development. Currently Software Engineer at AnyConnect Private Limited in Singapore. My main focus is to solve the problem in efficient, elegant and modular way. I solved programming problems in on-site contest and various problem solving sites (Topcoder, Codeforces, Uva Online Judge, TJU ACM-ICPC Online Judge) during my undergraduate years. My expertise and interest in C/C++, SIP, XMPP, Video and Voice over IP, Server infrastructure.In my years of professional carrier I have achived experience on following topics,► C/C++, Multi-Threading, OOP.► Windows, UNIX.► Network Programming.► Microsoft Lync supported protocols MS-SIPRE, MS-SIPAE, MS-PRES, MS-RTP, MS-SRTP, MS-SIPCOMP, MS-SDPEXT.► Networking protocols TCP, UDP, TLS, RTP, RTCP, SRTP, STUN, TURN, ICE.► Signaling protocols SIP, XMPP.