During November 2024, Nixargh contributed to the ClickHouse/yet-another-cloudwatch-exporter repository by addressing a bug in Prometheus metric name sanitization. They enhanced the sanitize function in prometheus.go to handle parentheses, ensuring that metric names exported to Prometheus no longer contain invalid characters. This targeted fix improved the reliability of metric exports and the accuracy of downstream dashboards and alerts. Nixargh applied their skills in Go, cloud monitoring, and Prometheus to identify and resolve this edge case, demonstrating careful attention to production code quality. The work reduced alert noise and strengthened data integrity for consumers relying on CloudWatch exporter metrics.