Available for new projects

Antonio Aragón
Full-Stack Engineer

Building production-grade systems that bridge AI agents, real-time APIs, and fiscal automation — from WhatsApp bots to SAT CFDI 4.0 pipelines.

View Projects Tech Stack
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// tech stack

Tools I ship with

Every technology here is battle-tested in production across the Aragón ecosystem.

antonio@aragon:~/ecosystem ~ cat stack.json

Runtime & Backend

Node.js Express Python Flask PHP WordPress

AI & Cloud

🤖 Claude AI ✨ Gemini Cloud STT Cloud TTS 🧠 Agentic SDK

Frontend & Mobile

React Native 📦 Expo JavaScript 🎨 EAS Build

Infrastructure

Docker ⚙️ PM2 SQLite Win Server 🔄 node-cron

Integrations

💬 WhatsApp 📞 Twilio 🛒 Loyverse 🧾 Facturama 🏛️ SAT CFDI 📱 Telegram
9+
Production Repos
5
Languages
15+
Integrations
24/7
Automated Ops

// projects

What I've built

End-to-end systems running live in a restaurant ecosystem in Culiacán, Sinaloa.

🤖
tacos-aragon-bot
WhatsApp ordering bot with NLP, voice recognition, customer profiles, admin commands, and automated XLSX monthly reports.
Node.jswhatsapp-web.js GeminiGoogle STTPM2
⚡
tacos-aragon-api
RESTful API with an agentic loop — tools for Loyverse sales queries, WhatsApp stats, customer data, and CFDI invoice creation.
ExpressClaude AI GeminiLoyverseFacturama
📱
tacos-aragon-app
Internal mobile dashboard for restaurant staff: sales charts, order management, invoicing, bot controls. React Native + Expo.
React NativeExpo EAS Buildexpo-av
🌐
tacos-aragon-web
Production Flask site with CFDI 4.0 invoicing form, Loyverse POS integration, Twilio webhooks, CSRF/CSP/HSTS security headers.
FlaskFacturama TwilioGeminiWaitress
🏛️
tacos-aragon-fiscal
Automated SAT bulk CFDI downloader. Parses XML, generates Excel reports, runs AI fiscal analysis via intelligent agent.
Pythoncfdiclient SAT SOAPpandasGemini
📞
tacos-aragon-llamadas
Voice ordering pipeline: Twilio → Google STT → NLP agent → Loyverse POS → Google TTS → Twilio. Fully automated phone orders.
TwilioGoogle STT/TTS GeminiLoyverse
🔧
tacos-aragon-orchestrator
Self-healing Docker orchestrator. Health polling every 30s, auto-restart logic, reasoning engine, Telegram approval queue, SQLite state.
DockerClaude AI SQLitePM2Telegram
🔌
tacos-aragon-wp
WordPress plugin with REST endpoints, CFDI 4.0 builder, Facturama PAC integration, Loyverse sync, and rate-limited admin panel.
PHPWordPress FacturamaLoyverse
📨
telegram-dispatcher
Admin notification hub. Routes orchestrator alerts to Telegram with inline ✅ Approve / ❌ Reject buttons and persistent SQLite queue.
Node.jsTelegram Bot API SQLitebetter-sqlite3

// about

Who I am

A peek under the hood.

antonio@aragon — bash — 80×24
❯ python profile.py
{
  "name": "Antonio Aragón",
  "location": "Culiacán, Sinaloa, MX",
  "timezone": "GMT-7",
  "role": "Full-Stack & Systems Engineer",
  "focus": [
    "AI agent pipelines",
    "real-time automation",
    "fiscal & SAT integrations",
    "WhatsApp & voice systems"
  ],
  "status": AVAILABLE,
  "uptime": "24/7 production systems running"
}
❯

// contact

Let's build something

Open to freelance projects, consulting, and full-time roles in AI systems, backend engineering, or automation.

gumaro.gonzalez@tacosaragon.com.mx