William Liu enhanced governance for job postings in the SimplifyJobs/Summer2025-Internships and SimplifyJobs/New-Grad-Positions repositories by updating contributor documentation. He introduced new requirements for ATS-based job submissions and enforced stricter verification processes, focusing on Markdown-based CONTRIBUTING.md files. This documentation-driven approach standardized hiring workflows, reduced unverified postings, and improved auditability across both repositories. William’s work centered on policy and process improvements rather than code changes, leveraging his skills in documentation and version control. The updates enabled faster moderation and better compliance, resulting in measurable improvements to posting quality and reducing the need for manual review within the hiring pipeline.