Programming languages: Java, C/C++, C#(basic), Python(basic), Pascal/Delphi (basic), Assembler (basic) Technologies: Java 8: • Java Standard Edition (OOP, Patterns, Collections, Streams, Optional, Regex, Lambda, multithreading, etc.) • Java Enterprise Edition (Servlet, Filter, JSP, JSTL) Build tools: • Maven • Gradle Testing: • JUnit • Mockito Logging: Apache log4J VCS: Git C/C++: • STL • Data structures • Algorithms • Multithreading Database Management Systems: MySQL, PostgreSQL Internet programming: HTML5, CSS3 OS: DOS, Windows 7, 10, Linux Ubuntu.