Yifei Zhuang enhanced observability in the grpc/grpc-java repository by standardizing telemetry event naming for distributed tracing. Focusing on OpenTelemetry integration, Yifei refactored span names for outbound and inbound messages, replacing verbose labels with concise terms to improve trace readability and data quality. This targeted change in Java code enables faster debugging and more reliable cross-service correlation by ensuring consistent event naming across messaging paths. Although no customer-reported bugs were addressed during this period, the work strengthened the foundation for monitoring and root-cause analysis. Yifei’s efforts demonstrate depth in distributed tracing, gRPC, and OpenTelemetry within a production Java environment.