Languages: Python, JAVA (SE , EE), C/C++, C#.
Cloud Computing: Hadoop, Mahout for scientific computations
Workflow: BPEL on Apache ODE
Java Webservices (REST and SOAP), JAVA Socket Programming & Java Media Framework (JMF).
Tools and libraries: NetBeans, Eclipse, JBuilder, JDeveloper, MSVC6, MS Visual Studio.NET, Matlab 6 (Neural networks & Image Processing toolboxes), Zend Studio, Java card kit 2.2.1, Rockwell Arena 9.0, JIRA (Project Tracking Tool), OpenGL, EmguCV (.NET wrapper for OpenCV), ANTLR (ANother Tool for Language Recognition), RankLib, Solr and Lucene APIs.
Hardware Design and Simulation: Altera, ModelSim and VHDL as the description language.
Databases: Oracle9i, MSSQL Server and mySql.
Scripting Languages: JSP, PHP.
UML Design with Rational Rose & MS_Visio.
Control Versioning System: github, WinCVS, SVN.
Web Development: HTML, XHTML, DTD, XML, Javascript & AJAX.
Basics of Java Mobile Development and PIM APIs.
Basics of Android Development
Certified ISTQB Foundation Level Tester