Java(OOPS, Collection, Multi-Threading, Exception Handling, String Handling), J2EE (JSP, Servlet,, JDBC, REST Web Services)
Microservices, Kibana, Elasticsearch, Redis, Spring (Core, MVC, Batch, Spring Integration, Security)-XML/Annotations, Hibernate (XML/Annotations), Servlet 3.0, Apache Shiro, MyBatis
Windows , Linux , CentOS
JSF, JSP, Java Script, JQuery
Waterfall, Agile
Jetty, Tomcat
Rabbit MQ, Kafka
Nginx (for web-proxy and load balancing), Ha-Proxy (For web-proxy and load balancing), Keepalived (for High Availability/vip assignment), Elasticsearch, Jenkins, Infinispan, JUnit (For Unit Testing), TestNG (for testing), JMeter (For Performace and Load Testing), Oracle Mission Control (to measure application performance), Memcache (No SQL access of DB),JSON, J-Profiler(Performance Tuning)
Eclipse IDE, GIT, Tomcat
Template, Facade, Factory, Singleton, adaptor, bridge , MVC, Decorative
Mysql (Cluster/Inno), Postgre
Redis, Infinispan.