Contributed to backend reliability and observability by delivering targeted improvements in Go and Node.js across openbao/openbao and louislam/uptime-kuma. Addressed authentication correctness in openbao/openbao by implementing a helper to normalize identity IDs, ensuring only UUID segments were lowercased while preserving namespace accessors, and reinforced this logic with focused unit tests. Enhanced maintainability and tenant isolation in the OIDC provider through careful bug resolution. In louislam/uptime-kuma, introduced structured JSON logging to standardize log output, improving log readability and laying groundwork for advanced analytics. Collaborated with team members to integrate these changes, emphasizing API development, backend engineering, and identity management.