Worked on the axoflow/axosyslog repository to address compatibility issues arising from the upgrade to protobuf 30.0 within the gRPC stack. Focused on stabilizing the OpenTelemetry filterX components, the developer adjusted string handling and type name retrieval to maintain data integrity and ensure reliable error reporting after the protocol update. Using C++ and leveraging expertise in Protocol Buffers and gRPC, the work emphasized robust data handling and observability throughout the log ingestion and telemetry pipeline. All changes were carefully scoped and documented to minimize regressions, supporting maintainability and traceability in the evolving codebase during the protobuf transition.