Worked on enhancing the data-integrations/google-cloud repository by delivering robust improvements to BigQuery integration workflows. Focused on implementing comprehensive error handling for the BigQuery Argument Setter and Execute plugins using Java, introducing granular error types and clearer, actionable messages. Leveraged skills in BigQuery, cloud integration, and error handling to ensure that operational failures are effectively surfaced to users, reducing triage time and improving overall pipeline reliability. The changes aligned with established commit practices for traceability and maintainability, resulting in fewer silent failures and enabling faster remediation for BigQuery operations within cloud-based data integration environments. No bugs were reported or fixed.