Worked on enhancing the reliability of Azure-backed repository locking in the apache/jackrabbit-oak project using Java, with a focus on concurrency and error handling. Addressed critical bugs by implementing a dedicated lease renewal thread for AzureRepositoryLock, ensuring continuous operation even under error conditions. Improved error propagation and recovery mechanisms to prevent silent thread termination, reducing the risk of unexpected repository lock failures and CI/CD outages. Further strengthened system stability by introducing null-safety checks for error codes, preventing potential NullPointerExceptions during lease renewals. These contributions improved repository uptime and business continuity, leveraging expertise in cloud storage and repository management.