Worked on the thingsboard/thingsboard-gateway repository to enhance the reliability of the JSON REST uplink converter, focusing on backend stability and robust error handling. Addressed a potential crash scenario by updating the Python code to safely access the deviceNameExpression field in device_info using the dict.get() method, which prevents AttributeError exceptions when the key is missing. This targeted bug fix improved the resilience of edge data ingestion and contributed to smoother gateway operations. Leveraged skills in API integration and backend development to ensure that uplink processing now handles missing data gracefully, supporting operational reliability and reducing the risk of downtime.