Complex system to manage a hospital. Payment service, notification of the patient’s insurance company service, medical storage for patient’s records and template forms, appointments, medication shop, laboratory.■ Supporting and modifying of current functionality.■ Design and development of new application modules.■ Application and data integration.Environment: Java, Apache Tomcat, PostgreSQL, JDBC, Hibernate, JasperReport, Jersey, Jackson, JavaScript, HTML, CSS, AngularJS, Angular Material, SVN.

■ Developed programs and scripts for non-standard data retrieving.■ Developed printing reports.Environment: Firebird, PostgreSQL, Java

JavaRush is an online course to learn programming in Java.JavaRush ratings is a web application with GUI, based on GWT that represents user’s statistic. It aggregates user data from MySQL database, and unloads it through Hibernate & Spring Data.■ Designed and implemented main part of project's server­side architecture.■ Designed database structure, developed stored procedures, triggers, and views.■ Developed Entity, DAO and Service classes and REST controllers.Environment: Java, Apache Tomcat, MySQL, Spring MVC, Spring Data JPA, Hibernate, GWT,Bootstrap, Git.

■ Maintenance of ERP system IT-Enterprise.■ Developed programs and scripts for non-standard data retrieving.■ Developed printing reports.Environment: ERP system IT-Enterprise, MS Visual FoxPro, Java, MySQL, MSSQL