During February 2025, Gupsam contributed to the google/dwh-migration-tools repository by developing the GCS Data Transfer Robustness and Isolation feature set. He enhanced the reliability of GCS data transfers by implementing a sizeIfKnown method for GCS sources, enabling more efficient size checks. Gupsam also refactored Cloud Run job creation logic to generate random job IDs, improving isolation and supporting safer parallel processing. Additionally, he addressed inconsistencies in GCS bucket URI handling by ensuring proper trailing backslashes. His work, primarily using Java and leveraging Cloud Run and Google Cloud Storage, demonstrated thoughtful engineering depth in improving operational clarity and robustness.