I will build your saas web app as a full stack mern stack and next js developer

React.js, Next.js, Node.js, Express.js, MongoDB and PostgreSQL, with Tailwind CSS and Redux Toolkit for the frontend. I pick the stack that fits your project, and I'm happy to work with your existing one.

Yes. I plan the features with you, design the database, build the frontend and backend, and deliver a working, tested web app with full source code.

Both use React, Node.js and Express. MERN uses MongoDB (flexible documents), PERN uses PostgreSQL (structured, relational data). I'll recommend the right one for your app.

Yes. I build SaaS apps and MVPs with authentication, user roles, subscriptions, payments and an admin dashboard, structured so you can keep adding features after launch.

Yes. I build REST APIs and integrate services like Stripe, PayPal, email providers, Google/social login, and AI APIs such as OpenAI.

Yes. Every page is built mobile-first and tested on mobile, tablet and desktop.

Yes. All packages include the full source code, and you own it once the order is complete.

Yes. Share your code or repository access and a list of issues. I'll review it and confirm what's needed before starting.

Yes. I fix any bugs in the delivered work during the revision period. For ongoing maintenance or new features, message me for a custom offer.

It depends on features, pages and integrations. Send me your requirements and I'll reply with a custom offer that includes price and timeline.