Harshit Keshari

• Developed and maintained full-stack web applications using React.js, Node.js, Express.js, MongoDB, and MySQL. • Built and integrated REST APIs for scalable frontend-backend communication. • Implemented JWT-based authentication and Role-Based Access Control (RBAC). • Optimized APIs and database queries to improve performance and scalability. • Created responsive user interfaces using React.js and Tailwind CSS. • Fixed bugs, enhanced existing features, and maintained production applications. • Participated in deployment, testing, and version control using Git and GitHub • Worked on SaaS, HRMS, e-commerce, and client portal applications from development to deployment.

Data visualisation using AI tool

Developed a GUI Quiz game with timer using Java Swing with JFrame and JLabel components, improving usability by 30%

Designed & implemented backend database using JDBC for real-time data handling, improving efficiency 25%