AVAILABLE FOR NEW PROJECTS
Manthan Gajjar
Software Engineer
Building
Digital Products
that scale.
I'm Manthan, a freelance Full-Stack Dev based in India.
I specialize in turning complex ideas into high-performance web applications. My focus is on scalability, performance, and pixel-perfect UI. Whether you're a startup or an established business, I build tools that grow with you.
Skills & Technologies
Next.js
Node.js
React.js
Tailwind
Express.js
MongoDB
PostgreSQL
Firebase
JavaScript
TypeScript
Supabase
Socket.io
Redux
AWS
Vercel
HTML
CSS
How Can I Help You?
Full-Stack Web Apps
End-to-end development of scalable web applications using Next.js, Node.js, and modern databases.
- Performance Optimized
- SEO Friendly
- Secure Auth
SaaS Platforms
Building subscription-based products with multi-tenancy, payment integration (Stripe), and admin panels.
- Stripe Integration
- Analytics Dashboard
- Role-based Access
Mobile-First Design
Responsive and fluid user interfaces that look stunning on everything from iPhones to Ultra-wide monitors.
- PWA Support
- Touch Optimized
- Pixel-Perfect UI
API & Backend Architecture
Robusting backends using Express or Next.js API routes with MongoDB or PostgreSQL databases.
- REST/GraphQL
- Real-time WebSockets
- Cloud Deployment
Selected Works
EXPLORE CASE STUDY
BuildAI — AI-Powered App Builder
Built an AI-powered web app builder that turns simple prompts into live UI previews. Used Next.js for the frontend, Node.js/Express for the backend, and MongoDB for data storage. Integrated the Gemini API to generate app ideas, layouts, and structured content from user prompts. Designed a split-screen development experience with real-time preview and code workflow. Created a modern, responsive interface with AI chat assistance and project management features.
Details
EXPLORE CASE STUDY
Sizer - SaaS Billing App for Indian Carpenters
A full-stack SaaS platform built for Indian carpenters and contractors to auto-calculate sq.ft billing from dimensions, generate professional PDF bills, track clients and payments. Features include dynamic formula builder, Razorpay payment integration, earnings dashboard, and multi-plan subscription system. Built with Next.js, Tailwind CSS, Node.js, and MongoDB.
+6
Details
EXPLORE CASE STUDY
Artisan - Art Gallery Platform
A responsive art gallery website featuring a curated collection with category filters (Painting, Sculpture, Photography, Digital), artwork booking system, artist stories, and contact form. Built with Next.js and Tailwind CSS.
+3
Details
EXPLORE CASE STUDY
Kaarigar - Freelance Platform
A full-stack freelancing platform similar to Upwork/Fiverr. Features include project listings with search and filter, bidding system, user authentication, about page, and contact form. Built with Next.js, Tailwind CSS, Node.js, and MongoDB.
Details
EXPLORE CASE STUDY
Planastro - Astrology Web App
A full-stack astrology platform where users enter their date, time, and place of birth to get personalized astrological insights. Built with Next.js, Tailwind CSS, and Node.js backend with MongoDB database.
Details
Ready to Scale? Let's Talk
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© 2026 Manthan Gajjar | Building products that matter.