Frontend Specialization — Kathmandu, Nepal
React Developer in Kathmandu, Nepal
I am Sarthak Sharma — a senior React engineer based in Kathmandu, Nepal. I specialize in building reactive, accessible, and high-performance client web applications using React 19, TypeScript, TanStack Query, and Tailwind CSS.
React Engineering Standards
Clean code architecture, modular design primitives, and state management built for enterprise scale.
React 19 & Concurrent Features
Utilizing useTransition, useDeferredValue, and modern React hooks to eliminate UI freezing during complex state updates and real-time data streaming.
TypeScript & Strict Type Safety
100% strongly typed component interfaces, discriminated unions, and generic data transformers preventing runtime exceptions across complex client apps.
TanStack Query & State Caching
Optimistic UI mutations, automatic background refetching, query invalidation, and normalized cache management for seamless offline-first experiences.
Design Systems & Modular UI
Building reusable, themeable component libraries with Tailwind CSS, CSS variables, and Headless UI primitives for consistent brand execution.
Featured React Applications
Tracky — Real-Time Issue Management
Multi-tenant issue dashboard with 8 department portals, real-time status updates, and interactive audit trails.
Lumen — AI Generative UI Suite
Interactive generative UI components rendering AI model outputs in real time with prompt evaluation workflows.
Kung Fu Quiz — Interactive EdTech
Interactive video layer syncing timestamped questions with YouTube streams and real-time score calculation.
React Development FAQ
Why choose Sarthak Sharma for React development in Kathmandu?
Sarthak Sharma brings extensive production experience building enterprise-grade React applications, implementing strict TypeScript typing, designing scalable UI design systems, and optimizing client-side caching with TanStack Query and Zustand.
What tools and libraries does Sarthak use in the React ecosystem?
React 19, TypeScript, Tailwind CSS, TanStack Query, Zustand, Redux Toolkit, Framer Motion, Radix UI Primitives, Lucide Icons, and Jest/React Testing Library.
Does Sarthak build accessible and responsive React interfaces?
Yes. Every interface is built with semantic HTML5, keyboard navigation, WCAG 2.1 AA accessibility standards, responsive mobile-first layouts, and sub-100ms interaction latencies.