Gurdeep Singh focused on improving code quality and maintainability across the PublicisSapient/knowhow-common and knowhow-api repositories. He introduced Prettier-based code formatting, establishing consistent standards for print width, tab width, and bracket spacing in both Java and JSON files. Gurdeep also performed targeted codebase cleanup, removing commented-out code to address SonarQube smells and streamline future development. By temporarily disabling specific features in knowhow-common, he enabled more efficient debugging and iterative testing. His work emphasized code refactoring, configuration management, and developer tooling, resulting in cleaner codebases that facilitate easier onboarding, faster code reviews, and reduced long-term maintenance overhead for the team.