• Programming languages
    Java, C++, C, Embedded C, Perl, Python, C#, JavaScript

 

  • Telecommunication technologies
    – radio access and basic networks; fixed networks PSTN, IMS; mobile: EDGE, 2G, 3G, LTE
    – service level: CS IN, IMS, next generation networks (convergence CS and PS)
    – services: JCA/JEE, JAIN SIP, JAIN SLEE (JSLEE), OSA Parlay, Рarlay-X, IVR/DTFM
    – interfaces and protocols: SS7, ISDN, TUP/DUP, CAMEL, ISUP, TCAP, MAP, INAP, LDAP, SIGTRAN, SIP, TCP/IP, UDP, RTP, RTSP, Radius/ Diameter and other

 

  • IT and web-technologies
    JEE, Spring Framework, Apache, Camel, Hibernate, Node.js, JQuery, Swagger, Backbone.js, AngularJS 1.x / Angular 2, PrimeFaces, Bootstrap, Oracle Application Express (APEX), GWT, .NET, PHP, HTML5, CSS3, XML, Liferay, React.js, Webpack

 

  • Application servers
    WebLogic (OCCAS), JBoss/WildFly, Jetty, Glassfish, Tomcat

 

  • Virtualization
    VMWare, OpenStack, Docker, AWS
  • Databases and servers
    RDBMS (MySQL, SQLServer, PostgreSQL, SQLite,
    Sybase, Oracle, FireBird), MongoDB

 

  • Operating systems
    Linux, Unix, Android, Solaris, Windows

 

  • Software engineering environment
    Enterprise Architect/UML, patent SCE: SMAS, APSTools, AIDE, RoseRT, Eclipse, IntelliJ IDE, Netbeans, Visual Studio, Oracle Designer

 

  • Software versioning systems and build automation
    Git, IBM Rational ClearCase, SVN, Gulp, Grunt, Maven, Ant

 

  • Testing, quality check, continuous integration
    TTCN, Junit, Hudson / Jenkins, Selenium, JMeter, PowerMock, Mockito, Sonar, VerumASD, SoapUI