9+ Years of experience in developing Web based applications using LAMP (Apache, PHP 5 and MYSQL) using MVC frameworks (Custom MVC and Standard frameworks like Zend and Yii). Experience with mysql replication, master-slave, master-master and federated engines.

5+ Years of experience in VOIP (Asterisk). Developed all kinds of application using core asterisk e.g. IVR system, Handling of conferences with 100+ participants. Extensive knowledge of Dialplan, AMI, AGI and SIP trunking.

Experience in WebRTC based applications such as voice calling using asterisk and sipML5, Video chat app using nodejs frameworks such as express, easyRTC and simpleRTC.

Experience in developing browser to browser calling using phono API.

Expertise in Solr. Indexing data, Creating request handlers and querying using Solr.

Expertise in creating standalone widgets which can be deployed on different websites. These widgets don't effect the current js and css of the websites on which they are deployed.

Experience with Amazon Web Services, setting up ec2 instances and handling the challenges while running a server on VPS.

Experience with NoSql DB such as mongoDB.

Experience in creating browser extension for chrome, safari and firefox.

Experience with Flex action script for video chat app in the earlier stages of my career.

Good hands on linux, setting up all kinds of things needed such as LAMP, asterisk, SOLR on different versions of Centos and Ubuntu.