JS specification: ES5/ES2015(ES6).
JS-framework: AngularJS 1.x , React/Redux, Backbone.
WebGl: WebGl-shaders, , Spine.
NodeJs: 0.12 – 6.10.
Database: MongoDB, Radis.
Version Control: Git.
Streaming build: Webpack, Gulp.
Other languages: Java, C#, Php.