Vitalii Kyrychenko worked on stabilizing and modernizing two Java-based repositories, xm-commons and xm-ms-entity, focusing on dependency management and runtime diagnostics. He addressed a critical interceptor registration bug in xm-commons by refactoring the configuration to use HibernateInterceptorConfig and adding runtime probes for visibility, leveraging his expertise in Hibernate and Spring Boot. In xm-ms-entity, he aligned core dependencies, including Commons and Hibernate, to ensure compatibility and long-term maintainability, resolving conflicts such as the introduction and removal of zjsonpatch. His disciplined approach to build automation and Java configuration contributed to improved platform stability and reduced technical risk.