Yauheniya N.

Java SE/EE: Java concurrency Spring, Guice Java EE servers Servlets/JSP JPA/Hibernate, JDBC Akka Actors, Akka Http module Hazelcast (some tools) Protobuf, Dozer NoSQL: OrientDB, Lucene, SOLR Databases: MySQL, HSQLDB, H2, PostgreSQL, SQLLite Application servers: Tomcat, Glassfish, JBOSS Web frameworks: Play framework (Java DSL), Ninja framework, Spring-Web, Jackson restful API. Web server: Jetty, Nginx, Apache. Caches: Ehcache, Memcached, Hazelcast cache Tools: Maven, Shell scripting(Bash), ImageMagick, FFMpeg, Protobuf