Java WebLogic WebSphere JBOSS Fuse ESB

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JDK Java API gateways microservices pub/sub

AWS CDK Python Ruby Go

JavaScript HTML CSS Node.js MongoDB

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Oracle Xstore RESTful services Java

Hadoop Python Java

Java/J2EE API automation Selenium web-driver concepts design patterns

Java Concurrency Netty Servlet NoSQL

Cassandra HBase Bigtable Spring Spring Boot

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SQL JIRA

C++/Java

JSP AJAX Struts Jquery HTMl/XHTML/CSS/JavaScript