Raul worked on the minio/madmin-go repository, where he developed and delivered batch job bucket filtering to enhance API-driven batch operations. By introducing a Bucket field to both BatchJobResult and ListBatchJobsFilter, he enabled users to filter batch jobs by bucket, improving data retrieval precision and operational efficiency. Raul implemented these changes in Go, focusing on backend and API development while ensuring backward compatibility with existing queries. His work included end-to-end API support and thorough integration validation, addressing the need for better observability and control over large job datasets. The feature was delivered with clear traceability and robust technical depth.