Built a secure full-stack password manager featuring robust user authentication, AES-encrypted credential storage, and a cryptographically strong password generator. Implemented rate limiting to prevent brute-force and DDoS attacks, ensuring both high security and reliable performance for users managing sensitive credentials.

Developed a lightweight online code editor supporting JavaScript, TypeScript, Python, Java, C++, C#, and PHP. Enabled users to write and run basic programs directly in the browser, offering a streamlined platform for quick testing, learning, and practicing coding skills.

Built a full-stack Intern Management System (IMS) with role-based access for Admins, Mentors, and Interns. Key features include intern onboarding, mentor assignment, task review, feedback, and report generation. Implemented phone-based OTP login and token-based authentication to secure APIs, ensuring data integrity and reliable access control.