Worked on the datacommonsorg/mixer repository to prepare for the Data Release 20250904, focusing on configuration management and data engineering tasks. Updated configuration files using Go and YAML to ensure Bigtable and BigQuery pointed to the latest datasets, supporting accurate data resolution for downstream consumers. Adjusted geography-related test cases and refreshed golden data to maintain test reliability with the new release. Staged and validated the release candidate, executing scripts to update and verify golden data. The work emphasized careful alignment of storage, configuration, and testing, contributing to reliable deployment processes and robust data integration within a DevOps workflow.