Russian (native), English (reading documentation)
Java – SE 8+
Spring IoC , Spring MVC, Spring Data
Maven (base knowledge), Gradle
JDBC, JPA(Hibernate)
Unit testing(JUnit, Mockito)
VCS – git
Docker
Front JavaSript – Vue.js with UI frameworks such quasar
Node.js – (ES5, ES6, little TypeScript) – Express, TypeORM, SequelizeJS, testing(mocha, chai, sinon)
PHP – Yii2
SQL – MySQL
REST, SOAP API and SPA
NoSQL – MongoDB
Linux – Debian->Ubuntu