Denus Khodzytsky worked on the Backbase/stream-services repository, focusing on backend stability and data integrity. He addressed two critical bugs by fixing missing mappings for external product IDs, which improved the consistency and accuracy of hierarchical product relationships. To maintain stable and backward-compatible behavior, Denus reverted previous import-cleanup changes in ProductMapper.java after validating their impact. His work centered on Java and backend development, with a strong emphasis on data mapping and API reliability. Although no new features were introduced during this period, his careful approach reduced the risk of regressions and ensured that downstream data consumers received accurate, consistent information.