Deeply learned lots of new technologies and tools on practice. - Full stack development including server side and web UI. Domain model and technological stack: User friendly advertisement web application. Java, Tomcat, Hazecast, Angular, MongoDB.

Developed different components of back-end server: web-socket, akka, local cache, performance tuning. - Created and implemented complex solutions for load testing of scalable distributed system. - Took part in interviewing candidates to the company. Domain model and technological stack: Development the back-end for end-to-end encrypted messenger DefTalk. Java 8, Akka, Hazelcast, Ehcache, Spring AOP, Spring Data, Spring MVC, Spring Security, Spring Boot, Tomcat, AWS, Cassandra, ZooKeeper, WebSockets, REST, ActiveMQ.

* Combined development and leadership roles to be the real member of the team. * Full stack development including server side and web UI. * Introduced good engineering practices to the team: Continuous Integration and Static code analys. Installed and managed TeamCity CI and SonarQube (code quality) servers. Helped other team members with new practices. * Worked close with customers to gather requirements in Agile way. Domain model and technological stack: internal product for staff recruitment. Java, Spring MVC, Hibernate, MySQL, JUnit, Mockito, REST , FreeMarker, Angular

Administration of OS: Windows, Linux, MacOS X. Network Hardware Configuration. Administration of servers.Remote technical user support.Organization of the purchase and repair of equipment. Minor repairs of office and computer equipment.

* Network Hardware Configuration * Administration of OS Windows / Linux * Information and advisory users support