I will build your web app with react typescript fastapi and postgresql

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Fausto Chirino

About this gig

Need a real web app, not a template? I build production-ready web applications with a modern, typed stack: React + TypeScript on the frontend, Python FastAPI on the backend and PostgreSQL as the database. Clean architecture, REST API, authentication and a responsive UI included.


What you get

Custom React + TypeScript frontend (Vite or Next.js)

FastAPI backend with typed REST endpoints and automatic docs

PostgreSQL schema, migrations and secure auth (JWT or Supabase)

Responsive design, deploy on Vercel or Railway, full source code


Ideal for

MVPs to validate a business idea fast

Internal tools and dashboards for small companies

SaaS products that need a solid, scalable base


How we work

  1. You share your idea, features and references
  2. I send a scope and a short plan, we agree on it
  3. I build in short iterations and show you progress
  4. Delivery with deploy, documentation and a handover call

I am a University Programming Technician (UTN, Argentina) and full-stack developer. I explain technical decisions in plain language and answer within a few hours.


Check the packages or message me first so I can confirm the scope and timeline for your project.

Get to know Fausto Chirino

Fausto Chirino

Full Stack Developer for React, FastAPI and AI Automations

  • FromArgentina
  • Member sinceNov 2023
  • Avg. response time1 hour
  • Languages

    Spanish
I help small businesses save hours of manual work with custom software: web apps, WhatsApp integrations and AI automations. Stack: React + TypeScript frontend, Python/FastAPI + PostgreSQL backend, Supabase, REST APIs, web scraping. Recent work: 15+ business websites live in production (unique design per client), a CRM for freelancers (React 19, TS, Supabase) and a lead-prospecting pipeline on Google Places API. University Technician in Programming (UTN, 2026). Same-day replies, clean Git delivery, documented code. Native Spanish, working English.

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