Worked on the kubernetes/kube-state-metrics repository, delivering a targeted bug fix that improved the reliability of metrics reporting and Prometheus compatibility. Addressed a logic error in metrics header sanitization, refining the SanitizeHeaders function to accept a more specific format type for safer metric name handling. Enhanced the parsing of Prometheus histograms by aligning output with Prometheus expectations, which reduced the risk of incorrect metric interpretation in dashboards and alerting systems. Focused on backend development using Go, with an emphasis on metrics processing and observability. The work resulted in a more robust and maintainable metrics surface for monitoring infrastructure.