During April 2025, groldan@multivers.io enhanced GeoParquet support across the geotools/geotools and geoserver/geoserver repositories, focusing on backend reliability, performance, and data accessibility. He introduced Hive-partitioning and PROJJSON v0.7 CRS enhancements, improved geometry handling, and optimized DuckDB connection management using Java and SQL. His work included a new GeoParquet datastore module for GeoServer, enabling seamless data access from local, HTTP, and S3 sources. By addressing bounding box and CRS computation bugs and refining build configuration, he ensured robust integration and test stability. The depth of these contributions reflects strong skills in data engineering, distributed systems, and geospatial data handling.