During a two-month period, Toby H. enhanced vulnerability detection and testing workflows across the google/osv.dev and google/osv-scanner repositories. He expanded API test coverage and improved data validation by updating Python and Go-based test suites to reflect evolving vulnerability data models. Toby implemented transitive Python requirements scanning and unsafe plugin warnings in osv-scanner, strengthening dependency security. He also addressed CI/CD reliability by adjusting GitHub Actions workflows and aligning test data for production releases. His work demonstrated depth in backend development, integration testing, and vulnerability scanning, resulting in more robust, maintainable systems that reduce regression risk and improve release confidence.