Backend: Java 7-8, Spring core, MVC, auth, maven, sbt, Play framework 2, Jdbc, Ebean, Hibernate, MySql, Postgresql, MSSQL Server, ASP MVC, TFS, Entity Framework. Frontend: JS, JQuery, JQuery UI, AngularJS, RequireJS, Ractive, Bootstrap, CSS, Underscore. System version control: Git, SVN Native: Russian language, English: written OS: Windows, Linux