Worked on the apache/iceberg repository to deliver a concurrency and thread-safety enhancement for Azure credential vending, addressing reliability issues in Azure storage access under concurrent workloads. The solution refactored credential retrieval logic to use non-blocking operations and ensured safe multi-threaded access, reducing blocking I/O and mitigating race conditions. By applying Java and leveraging Reactor for asynchronous patterns, the work improved throughput and stability in cloud deployments. The changes focused on thread safety and concurrency, enabling more robust credential refresh mechanisms. This engineering effort deepened the reliability of Azure integrations within the project, supporting higher performance in distributed environments.