Worked on the meshtastic/firmware repository, focusing on stability and reliability improvements in embedded systems and firmware development using C++. Addressed critical bugs over a two-month period, including strengthening string handling safety in user data paths to prevent buffer overflows by ensuring proper null-termination during UserLite and User conversions. Enhanced code hygiene and traceability through targeted commit messages and issue references. Improved telemetry robustness for battery voltage monitoring by preventing invalid sentinel values and updating data types to int32_t, which reduced false alerts and improved data integrity. Prioritized code safety, maintainability, and accurate device reporting throughout the development process.