I will build a full stack saas web application

A
al3x_cbn
A
al3x_cbn
Alexandru

About this gig

Are you looking to launch a SaaS product that actually works in production?


I build full stack web applications using React (TypeScript), FastAPI, PostgreSQL, and Supabase with real features like authentication, Stripe billing, REST APIs, and real-time WebSockets.


What I deliver:

Clean, scalable React frontend

FastAPI backend with full REST API

Supabase or PostgreSQL database

Stripe payment integration

User authentication and dashboards

AI/LLM integration (optional)

Deployed and production-ready


I've built and launched a live SaaS trading platform from scratch so I know what it takes to ship a real product, not just a demo.


Every project includes clean code, responsive design, and a handoff with documentation so you can keep building after delivery.


Message me before ordering I'll tell you exactly what's possible within your budget.

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 Alexandru

Alexandru

Full Stack Developer and SaaS Builder

  • FromRomania
  • Member sinceMay 2026
  • Avg. response time1 hour
  • Languages

    Romanian, English, German
I'm a full stack developer specializing in SaaS platforms, AI-powered web applications, and trading/fintech dashboards. I build end-to-end products using React (TypeScript), FastAPI, PostgreSQL, and Supabase. I've shipped production-grade SaaS projects, including a live trading signal platform with multi-strategy analysis and institutional-grade UX. I care deeply about clean architecture, performance, and delivering products that actually work at scale. If you need a developer who thinks like a founder and ships like an engineer, let's talk.