Joserenan worked on the microsoft/sbom-tool repository, delivering COSE file path support within the SbomConfig component. He introduced new properties for BSI COSE and Manifest COSE file paths, updating the SbomConfigFactory to ensure these paths are populated during configuration creation. This enhancement enables the SBOM tool to reference and manage COSE-related files throughout the configuration and operational lifecycle, improving both security and configuration fidelity. His work involved full stack development and API design, leveraging C# for implementation and focusing on configuration management. The feature addressed end-to-end COSE file management, reflecting a focused and technically sound engineering contribution.