During October 2024, this developer enhanced the apache/paimon repository by implementing a feature that propagates the partition.expiration-time property from Hive integration to the Hive Metastore. The solution involved adding a conditional check and property transfer within the HiveCatalog class, ensuring that expiration settings are consistently stored and accessible to other engines querying the metastore. Working primarily in Java, the developer demonstrated skills in data cataloging, Hive integration, and metastore management. This update improved cross-engine interoperability and data governance by making expiration policies visible across platforms, reflecting a focused and technically sound approach to catalog-level code changes.