During October 2024, Davi Arnaut focused on backend development for the acrylidata/datahub repository, delivering a targeted logging verbosity optimization feature. He implemented threshold-based controls for database transaction timing logs and migrated select informational logs to the debug level, using Java to refine the observability pipeline. This approach reduced unnecessary log noise during ingestion and consumer processes while maintaining essential traceability for issue triage. By tightening log output, Davi improved cost efficiency related to log storage and processing, aligning with maintainability goals. His work demonstrated depth in logging strategy and backend systems, though it was limited to a single feature.