JAVA :
JDBC, RMI, JNDI, WEB CONTAINER, TOMCAT & WEBLOGIC, JSP, SERVELET, JSPTL, MVC ARCHITECTURE, JAVA MAIL EJB, STRUCTS FRAMEWORK, JAVA MESSAGE SERVELETS, JAVA SCRIPT .

.NET :
VB .NET, ADO.NET, ASP, HTML, ASP .NET, XML
and
VC++ :
MFC, COM, D-COM, IMAGE PROCESSING PROGAMMINGS.

DATABASES :
ORACLE 9, MS Access, MySql and SQLServer2000.

PROTOCOLS :
SMPP, HTTP, PPP, POP3, and TCP/IP