Technology Experience

• Programming languages:
  Expert: Java, JVM and JDK (20+ years work experience, JDK certified), Unix Shell (bash), Sometimes: Scala, Clojure, Ruby, Perl, JavaScript, C++, Kotlin, Academic past: Lisp, Prolog
  
  
• Java Technologies:
  Java 5/6/7/8/11/17/21, JEE, Servlet API, Spring, JDBC, RMI, JMS, Swing, JavaMail, slf4j/logback, Apache FOP, Web Services (XFire/CXF, JAX-WS, JAXB), JPA, Hibernate, Hibernate Search, Lucene, Apache Camel, Ehcache, guppy4j, java.time, LibreOffice Java API
  
  
• Web Technologies:
  GWT, Vaadin, Spring Web Flow, JSF / Facelets, Struts/Tiles/JSP, XHTML, HTML5, CSS3, XML/XSL/XSLT, JQuery, Adobe Flex, SVG, Unicode / i18n, Applets / Servlets, HTTP/RESTful, Apache Wicket, Velocity, vue.js, ECMAscript modules
  
  
• Software Engineering Methods:
  Extreme Programming (XP), Agile and Iterative Development, Test-Driven Development, OOP/OOD, Design Patterns, UML, Dependency Injection, Refactoring, Continuous Build & Integration, Intention-Driven Development, Functional Programming, Requirement Engineering, Maintain/Plantain
  
  
• Software Development Tools:
  IntelliJ IDEA, Eclipse, Netbeans, Maven, Ant, ArgoUML, Git, draw.io, SVN (Subversion), Perforce, Emacs, GNU toolchain, Vim, bash
  
  
• Collaboration / Automation tools:
  JIRA, Bugzilla, JamWiki, Hudson/Jenkins CI, Ansible, MediaWiki, Confluence, Bamboo, TeamCity, Fisheye, Sonatype Nexus, Gitblit, github
  
  
• Software Testing Technologies:
  Spring Testing Support, TestNG, JUnit 4, JMock, Mockito, JUnitEE, Jemmy, HtmlUnit, Juxy, JPDFUnit, Selenium, Maven surefire/failsafe plugins, JMock, Mockito, SonarCube
  
  
• Java Application and Web Servers:
  JBoss, Weblogic, Apache Tomcat, Apache httpd (web server), Undertow, Wildfly, Netty, Jetty, vert.x, node.js
  
  
• Database Systems and Tools:
  Oracle, MariaDB / MySQL, Postgres, Apache Derby (Java DB), db4o, Toad for Oracle, DBeaver
  
  
• Operating Systems / Platforms:
  Debian GNU/Linux, CentOS, Windows 7/10, OpenSolaris, MacOS, Cygwin, Windows Subsystem for Linux (WSL), Virtualbox, Mobian