Enterprise architecture, Design and Integration Patterns...
Java, Groovy, Python, JavaScript, Php...
SQL and NoSQL, ORM...
SOA and MicroService Architecture, Rest, Soap, WebSockets...
Maven, Gradle, Ant, Jenkins...Git, Mercurial, Svn, Cvs, Rtc...
WebSphere, OpenLiberty, Payara, Tomcat, Jetty, Nginx...
Xml, Json, Xsd, Xslt...
Html, Css, WebComponents, React, Angular, jQuery, Jsp, Jsf...
Jms, NIO and Event Driven architecture...
Caching, replicated and distributed Systems...
Spring Framework, SpringBoot, JakartaEE, MicroProfile