Yiduo Song developed and refined data management assets for the atomeocean/job-compass repository, focusing on JSON-based configuration files to support software engineer profiling and analytics. Over two months, Yiduo created and iteratively improved two structured data files, establishing a stable foundation for future data-driven features without altering application logic. The work emphasized disciplined version control, clear commit practices, and careful data modeling, ensuring traceability and maintainability. By enhancing data readiness and accessibility, Yiduo enabled more robust analytics pipelines and laid the groundwork for business intelligence initiatives. The contributions demonstrated depth in data management and proficiency with JSON and Git workflows.