Participation in the development of the School 21 platform on the stack: Java 8, Spring Framework, PostgreSQL, GraphQL, Maven, Git (Bitbucket), Docker, Jenkins - implementation and testing of REST /GraphQL - implementation of saving to PostgreSQL databases based on Spring JDBC- refactoring and optimization codeExperience in large projects, work on Agile.

- Creating a description of services in JSON format- Creating templates converting JSON -> XML using Apache Velocity- Creating xsd schemas

Intern Java-enterprise DeveloperParticipation in the development of Spring/JPA Enterprise applications with authorization and access rights based on roles on the Maven/Spring MVC/REST(Jackson)/ Java 8 Stream API:- implementation of saving to Postgres and HSQLDB databases based on Spring JDBC, JPA(sleep mode) and Spring-Data-JPA- implementation and testing of REST- implementation of the client on Bootstrap (css/js), datatables