I will develop a custom web application end to end


About this gig
Is your website nice to look at but doesn't actually do anything? I build the system behind it.
I build real web applications with React and Node.js database, user login, admin panel not templates or generic landing pages.
WHAT I BUILD
Custom web app with database (PostgreSQL / MongoDB)
Secure login with user roles and permissions
Admin dashboard to manage your content
REST APIs and third-party integrations
Responsive design (phone, tablet, desktop)
Deployment and source code included
WHY WORK WITH ME
I also build automations and AI integrations chatbots, smart search, automated workflows so your app can grow. One developer who understands the whole system, not just the interface.
HOW IT WORKS
Message me your idea I confirm scope, timeline, and price you order and I get started you review, I revise, we deliver.
Everything in writing, so requirements stay documented and your project moves forward without surprises.
Have an idea? Message me before ordering for an accurate quote
Get to know Diego J
Backend Developer
- FromArgentina
- Member sinceMay 2026
Languages
Spanish, English
FAQ
Do you provide the source code?
Yes, all packages include the complete source code. The project is 100% yours.
What technologies do you use?
React on the frontend, Node.js on the backend, and PostgreSQL or MongoDB for the database. If you need a specific stack, message me first.
Can you work on an existing project?
Yes. Send me the repository or a description of the current setup and I'll tell you what can be done.
Do you provide hosting?
I deploy to Vercel, Railway or your own hosting. Hosting costs are paid by you directly to the provider.
Can you add AI features later?
Yes. I build AI chatbots, smart search and automated workflows. We can add them as an extra or as a separate project

