In June 2025, Darksawa enhanced billing data handling for the neondatabase/autoscaling and neondatabase/neon repositories by transitioning event storage to NDJSON with gzip compression, enabling more efficient downstream analytics and regional S3 storage. They restructured S3 key generation, shifting from daily to hourly partitioning and standardizing hierarchical formats to support granular, scalable analytics. Using Go and Python, Darksawa implemented per-event billing records and resolved key format inconsistencies, improving data serialization and file handling. Their work reduced processing latency and storage costs while aligning cross-repository data formats, demonstrating a strong grasp of backend development, cloud storage integration, and configuration management.