Dileep Kumar

Frontend Developer with 2.5+ years of experience building scalable web applications using React.js, TypeScript, JavaScript, and modern frontend technologies. Experienced in responsive UI development, REST API integration, reusable component libraries, design systems, performance optimization, and enterprise SaaS applications.

Frontend Developer at Zensign Global (2023-10 – 2026-05)

• Owned frontend architecture for a production EPOS platform used by UK retail stores, built in React and TypeScript with Redux Toolkit, TanStack Query, and Zustand for state management and route-level code splitting.
• Designed and maintained a reusable component library and internal design system using React, TypeScript, and Material UI, improving consistency and developer productivity across the platform.
• Successfully integrated typed REST client across 300+ endpoints by TanStack Query, cutting average requests per page by 40% through de-duplication, debouncing, and request cancellation.
• Optimized high-volume data views (10,000+ records) with list virtualization (react-virtuoso), infinite scroll, and memoized rendering to eliminate unnecessary re-renders with advanced filtering and infinite scroll.
• Rebuilt dashboard pages with 20+ widgets and interactive charts using ApexChart, leveraging lazy loading and viewport-based fetching to reduce initial page load by 60%.
• Built backend modules (Node.js, Express, TypeScript) supporting the frontend, including JWT auth, RBAC, and validated, paginated REST APIs.

Full Stack Web Development in Web Development – Brototype (2022-12 – 2023-09)

Bachelor of Arts in Economics – University of Calicut (2016 – 2020)