Jay Kanjia contributed to the special-char/intern-pd-fe repository by overhauling the UI framework, implementing shadcn/ui integration, and establishing a scalable theming system with CSS variables and dark mode support. He redesigned the product card component to support variant selection and dynamic pricing, and improved the home page with new sections and a video-backed hero. In Max-Eee/E-commerce-recommender, Jay resolved authentication token issues during customer registration, ensuring secure session management and reducing onboarding errors. His work demonstrated depth in React, TypeScript, and Node.js, with a focus on maintainable architecture, responsive design, and robust error handling across both frontend and backend systems.