Zdenek focused on improving telemetry hygiene in the signalfx/splunk-otel-android repository by refining how span attributes are managed within the codebase. Using Kotlin and leveraging expertise in mobile development and observability, Zdenek removed the event.name attribute from spans to better align with OpenTelemetry best practices. The work included introducing a centralized constant for the event.name attribute and updating the log record exporter to exclude this attribute when setting span attributes. These changes reduced telemetry noise and improved data consistency, resulting in cleaner traces and more reliable analytics for downstream processing. The work demonstrated thoughtful attention to maintainability and data quality.