Worked on the NVIDIA/dbus-sensors repository to improve the reliability of sensor data retrieval by addressing a critical bug in D-Bus return value unmarshalling. Focused on correcting the proxy call template to accurately capture the object path and ensure alignment with the D-Bus signature, which resolved a recurring 'No such device or address' exception during production use. Utilized C++, D-Bus, and Systemd to implement and validate the fix, contributing to greater runtime stability. The work emphasized careful debugging and targeted code changes rather than new feature development, reflecting a methodical approach to maintaining robust system-level communication in C++ environments.