Mitesh K.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.

I’m Mitesh Kavar, a Senior Full-Stack JavaScript/TypeScript Developer with 8+ years of experience building secure, scalable, and high-performance applications using React.js, Next.js, Node.js, Express, Firebase, PostgreSQL, and MongoDB. I help companies design and deliver production-grade SaaS platforms, complex dashboards, multi-tenant systems, enterprise workflows, authentication modules, and reliable payment integrations (Stripe, Crypto/Web3, wallet-based flows). If you need a developer who can architect clean systems, write maintainable code, integrate secure APIs, and deliver fast, stable, user-friendly interfaces—I'm here to help. --- 🔥 What I Do Best **Frontend (Expert)** * React.js, Redux, Redux Toolkit, Next.js * TypeScript, Tailwind CSS, Material-UI, Ant Design, JavaScript (ES6+) * NX Monorepo, Building-Block architecture * Pixel-perfect UI + mobile-responsive layouts * TanStack Query (React Query) & performance optimization * Crypto/Web3 Payments, Ethers.js, MetaMask Integration, Stripe Integration **Backend (Full-Stack Capabilities)** * Node.js, Express.js * REST APIs, Firebase Functions * MongoDB, PostgreSQL, Drizzle ORM, Sequelize ORM * Authentication (JWT, Sessions, Firebase Auth) * Payment Integrations (Stripe, Crypto using Ethers.js/Metamask) --- 🧩 What Makes Me Different ✔ 8+ years building large-scale frontends & APIs ✔ Experience with subscription systems, POS integrations, SaaS dashboards ✔ Strong debugging & refactoring skills ✔ Clean architecture + reusable component systems ✔ Individual freelancer → direct communication & fast delivery ✔ Experienced with CI/CD, testing (Jest/RTL), production deployments --- 📌 Highlighted Projects **MintCad NFT Marketplace** – Ethers.js + MetaMask + Next.js, Solidity **iTypeSchool** – Firebase Authentication + scalable front-end **Aljbra Laundry System** – Stripe payments + admin dashboards **ICICI Lombard Platform** – Complex enterprise insurance management **MultipartBOM System** – Multi-tenant manufacturing platform, BOM hierarchy, advanced dashboards --- 🚀 Let’s Build Something Reliable, Scalable & High-Performing I can help you with: ✔ Full-stack development (React + Node) ✔ Authentication (Firebase, JWT, Sessions, OAuth) ✔ Payment Integration (Stripe, Crypto, Moyasar-equivalent) ✔ Multi-tenant SaaS architecture ✔ Dashboard / Admin panel development ✔ API integrations & backend logic ✔ System optimization, refactoring, and scalability improvements If you’re looking for a strong developer who can take ownership, communicate clearly, and deliver production-quality results — let’s work together.