Project summary: renewal version of government tax-processing system. (Registration/Withdrawal/Actualization info about taxpayers and linked cash register)Refactoring and optimization group of microservices in b2g service; Participation in code-review; Suggesting design solutions for better code supporting performance;

Designing and creating module of communication platform that using open data sources for collecting data about mobile carriers codes and information about transfering mobile number between carriers.Tech stack: Java 11, Spring(Boot), Postgres, Hibernate (Spring Data JPA), JDBC (for "hotswap" tables), Helm, Docker(file)

Creating and supporting analytics system that calculates different metrics by data from Jira.Consulting PM about current abilities and limitations of existing system. Designing solutions of business requests with minimal resources usage and minimal intervention in existing code base.Tech stack: Java 8, Spring/SpringBoot, Hibernate, Maven, Oracle DB, GitLab

Active participating in creation of TRACK & TRACE solution (Utrace HUB) for pharma segment.Participated in processes of migration from monolith to microservices architecture.Optimized processes of "translations" messages from 3PL and SAP to russian registry format using async processing and multithreadingTech stack: Java 8, Spring/SpringBoot, Hibernate, Maven, Liquibase, PostgreSQL, Docker, GitLab

Developing modules of capital medical ecosystem.Creating module that automatizate sick leave application usig OpenEHR format.Integration with multiple eGov systems with SOAP and MQTech stack: Java 8, Spring, Maven, PostgreSQL, Liquibase, Hibernate, WildFly, RegExp, Apache Kafka, OpenEHR, SOAP, Mercurial, Jenkins