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BackEnd: Node.js (framework: express), PHP (native, yii2) FrontEnd: JavaScript (es5/es6/es7, native, jquery), Vue.js/Vuex/Vue-router ( + Vue.js/Node.js - Server Side Rendering) Базы данных: MySQL, MongoDB, PostgreSQL Realtime: Socket.io, WSS VCS: Github, Bitbucket Настройка сервера: Nginx, Apache, Docker