Lead the full backend team of 16 members of the company which dealt with 20 Million subscribers.Analysis of new technologies and frameworks along with implementation in backend.Requirement analysis and development of systems for to improve user experiences.Responsible for design and development of server sides of different java based projects.Debugging to improve the quality of code and improve application performance.Complete development of authentication server with the team.Complete development of heartbeat (which checks the cluster status) server with the team.Complete development of authentication controller server.Deployment and maintenance of backend DB of MySQL NDB Cluster.Responsible for log analysis of different projects.Cross Functional support for mobile platform app development.Developed customized billing system for “MVTS Pro” soft switch.Manage & implementation of SIP and SDP.Worked for developing IGW and ICX billing system by analysing their enormous (0.5 Million/Day) call logs.Develop customised, interactive user interfaces using JavaScript, HTML and CSS.Supervise the Java developer team along with necessary training.

Worked on some projects during this time. Using JavaEE and Web Front end technologies like Java Servlet, JSP, Struts 2, JQuery, JQuery UI.Worked on the backend and frontend parts of the projects, but mostly the backend part.

Worked on VoIP based projects using Java.Played a key role for the development of a J2ME based Mobile Dialer.Developed a Client Management System for mobile dialer clients.