Will Pickering contributed to security and build engineering across two repositories over a two-month period. For jetmore/pmd, he refactored the ApexSuggestUsingNamedCredRule to improve detection of credential usage in Apex code, introducing logic to distinguish between authorization and credential variables, which reduced false positives and enhanced vulnerability detection. In Shopify/nixpkgs, he delivered the Bitwarden Desktop 2025.5.0 release by updating Electron versions, adjusting build configurations, and patching platform triples for improved cross-platform compatibility. His work demonstrated proficiency in Java, Nix, and security analysis, focusing on code correctness, reproducible builds, and more reliable credential management within static analysis tools.