HARSH KUMAR

• Building and maintaing in house eCommerce product for dopshipper vendors ensuring scalability and optimisation.
• Implemented dynamic product pages, shopping cart functionality, and secure checkout flow with server-side rendering (SSR) for better SEO and faster page loads.
• Built reusable components and optimized rendering logic to improve Core Web Vitals, resulting in a 20% performance gain on product details page. Revamped the whole admin panel from scratch ensuring quick insights and data with visulation.

• Built a scalable SaaS LMS platform using Next.js (SSR) and React.js, allowing educators to manage courses, students, and lectures through a multi-tenant architecture. Implemented secure user authentication, course progress tracking, video streaming, and real-time updates using WebSockets.
• Built a PDF marketplace for educators and students from scratch to manage PDFs selling and purchasing securely. Handled the continuous deployment and development on AWS EC2 with auto scaling for high performance.

• Developed and redesigned the write portal and Course module, implementing features for course creation, enrollment, progress tracking, and user management. Written reusable components and ensured the minimum load time for the course platform.
• Worked on technical SEO with SSR which helped getting 30M organic users from SERP.

A full stack biodata maker tool to make marriage biodata. It includes an admin panel to manage templates and user data for marketing. Currently it is getting a monthly organic traffic of 15K. Used JS PDF library for client side PDF generation ensuring no auth biodata creation.

Developed a real-time Kanban task board with authentication, task management (CRUD), and drag-and-drop functionality. Implemented using Socket.IO for seamless collaboration.

A Saas model full-featured PDF-selling platform offering features like PDF purchasing, payments integration, and real-time notifications on email. The backend efficiently handles user authentication, PDF management, and transactions, while the frontend ensures a smooth UI.