Ashutosh contributed to both the Submitty/Submitty and laurent22/joplin repositories, focusing on security, performance, and user experience. He enhanced CI/CD pipelines by enforcing least-privilege GitHub token usage and introduced concurrency controls to optimize workflow efficiency. In Submitty, Ashutosh refactored database queries in PHP to eliminate N+1 issues, improving backend performance, and synchronized UI state for attachment toggles to ensure accurate feedback. For Joplin, he improved password entry UX in the React Native mobile app and added server URL validation to prevent misconfigurations. His work demonstrated depth in JavaScript, TypeScript, and DevOps, addressing both reliability and maintainability.