Tarun developed and refined backend workflows for the projectdiscovery/nuclei-templates and projectdiscovery/utils repositories, focusing on automation, reliability, and maintainability. He unified Windows template signing in CI/CD, centralizing signing logic and enabling on-demand resigning using GitHub Actions and Shell scripting, which streamlined release processes and improved compliance. In projectdiscovery/utils, Tarun modernized error handling APIs and enhanced URL path encoding, leveraging Go for robust backend improvements. He also increased test reliability for network read timeouts, ensuring accurate behavior under deadline conditions. His work demonstrated depth in backend development, code refactoring, and CI/CD, resulting in cleaner, more maintainable, and secure codebases.