Designed and built a responsive, full-stack web application tailored for seamless user management and workflow automation. Developed using Node.js, Express, and a lightweight relational database, featuring secure OAuth2 authentication and role-based access controls. Integrated custom REST APIs and third-party Webhooks to sync real-time activity, user permissions, and automated logging. Delivered an intuitive, fast-loading UI focused on performance, clean architecture, and practical administrative utility.