AWS Cloud: Lambda, Step Functions, SQS, SNS, API Gateway, DynamoDB, VPC, VPC Endpoints, CloudWatch & etc
Languages: Java 8, Python, Node JS, JavaScript, SQL, PL-SQL, HTML, CSS, JQuery
Java/Java EE: EJB, JDBC, JNDI, JMS, JSP, Servlets, Java Mail, RMI
Application Servers: WebLogic, WebSphere, Apache Tomcat, JBoss Application server
Frameworks: Spring MVC, Spring Boot, Spring Data JPA, Spring Web Service, Struts 11, JUnit, AJAX, JSF, Log4J, GWT and Node JS
Tools: Splunk, Eclipse, TOAD 72, Ant 15, Maven, Clear case, Clear Quest, and Shell Scripting
XML: Xerces, Xalan, JDOM, SAX, DOM, DTD, XML Schema, XPATH, JAXP, JAXB
Database: Oracle 11g, DB2 and MySQL
Messaging: Web sphere MQ Series and Kafka Streaming
Web service: SOAP, WSDL, SOA, Apache Axis, REST
UML Tools: Rational Rose and Vizio
Security: Business level security, form Based authentication, Web service security WSS4J
Methodologies: UML, OOAD, Agile programming, Junit
Version Control Systems: CVS Source control, Rational ClearCase, Rational ClearQuest, SVN and Git