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Fiverr Pro
English
$
USD
I will build a full stack web app with backend, user authentication and ai integration
Saúl Pérez
About this gig
Most web developers build you a landing page and call it a web app.
I build complete full-stack applications - real frontend, real backend, real database, ready to ship to real users.
WHAT YOU GET
- Custom frontend (React or JavaScript)
- Backend REST API (Node.js or FastAPI)
- JWT authentication system
- Admin dashboard and role-based access
- AI integrations (chatbots, automations)
- Database design with PostgreSQL or Supabase
- Stripe payment integration
- Deployment-ready setup
- Clean, scalable code you fully own
WHY IT WORKS
I built Vyndra (vyndra.pro) - a production platform with dashboards, auth, REST APIs and AI. You get real product-level development.
PERFECT FOR
- SaaS MVPs and startup founders
- Custom internal tools
- AI-powered web applications
- Businesses replacing manual processes
Stack: React - Node.js - FastAPI - PostgreSQL - Supabase - Stripe
Tell me what you are building. I will tell you if I can ship it.
Respect third-party rights
Please be aware that it is against Fiverr's policies for sellers to include themes, templates, or any other elements that infringe third-party rights or applicable laws in the delivered work. Read more about in our Guide to Responsible Digital Creation.
Get to know Saúl Pérez
Saúl Pérez
SaaS Backend Developer REST APIs Nodejs Python Automation
- FromSpain
- Member sinceDec 2024
Languages
English, Spanish
Backend developer specializing in SaaS, REST APIs, and automation.
I build with Node.js and Python:
- REST APIs and backend logic
- Payment systems (Stripe, PayPal)
- Auth and user management
- Webhooks, AI integrations, automation
- Database design (PostgreSQL, Supabase)
- Docker setup and deployment
Every project: clean code, API docs, production-ready.
Not sure if feasible? Message me first.
My Portfolio
FAQ
Do you use templates or page builders?
No. Everything is custom-built from scratch. No WordPress, no Webflow, no drag-and-drop tools. Clean code that you fully own.
Is hosting included?
A: Hosting is not included, but I offer a complete production setup (VPS configuration, SSL, security hardening and deployment) for just $40 + the VPS cost. Your site will be fully ready to go live.
Can you integrate AI into my website?
Yes. I can add chatbots, content generators or smart forms. You'll need your own API key (OpenAI, Anthropic, etc.)
What if I need more pages than the package includes?
You can add extra pages as an add-on ($15 per page).
Do you offer support after delivery?
Yes. Revisions are included in every package. After delivery I offer a bug-fix window. Additional revisions cost $25 each. Extended support available on request.
