- PHP, CakePHP, Codeigniter, Yii, Symfony, Laravel, MYSQL, GraphQL, ElasticSearch

- REST API server for mobile applications (Android, iOS)

- OOP/OOD, Design patterns, microservices

- Experience with high-load projects

- Javascript, jQuery, Extjs 4, HTML, CSS, bootstrap

- Apache, Nginx, Tomcat

- Facebook API, Robokassa, PayPal