Senior Full-Stack Developer | React.js, Next.js, Node.js, Crypto/Web3
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.
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🔥 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)
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🧩 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
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📌 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
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🚀 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.