Le Van Vy enhanced observability in the datahub-project/datahub repository by implementing reliable OpenTelemetry context propagation for asynchronous requests. Using Java and the Spring Framework, Vy addressed trace fragmentation issues by introducing robust context-management mechanisms that preserve trace integrity across async boundaries. This work included developing new methods to maintain context throughout the request lifecycle and resolving a tracing propagation bug in asynchronous paths. The solution improved end-to-end trace data, log correlation, and monitoring for backend services. Vy’s focused contribution demonstrated a solid understanding of distributed tracing and backend development, delivering a targeted, well-integrated feature that strengthened datahub’s debuggability.