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Misael Rosas Carballo — Full-stack developer

I buildthe softwarea businessruns on.

Order systems, AI sales agents and operations dashboards for real businesses. You can use them below: they are working demos, not screenshots.

OrderNo. 2026

M. Rosas · Development


  • 1×Order taking and kitchen display
  • 1×AI sales agent on WhatsApp
  • 6×Operations and metrics views

StatusLive
Try them below

Live demos

Use them, don't just look

Every project runs inside this page. Load the demo here or open it full screen to explore at your own pace.

Restaurant · Floor operations · 2026

Grill Perrón OS

Order taking and a kitchen display for a birria restaurant, synced in real time across devices.

  • Astro 7
  • React 19
  • TypeScript
  • Tailwind CSS 4
  • nanostores
  • BroadcastChannel API
Read the case study
grill-perron-os.pages.dev/presentacion/
Preview of Grill Perrón OS: Grill Perrón OS auto tour showing the waiter's tablet and the kitchen display.
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Industrial distribution · Sales and operations · 2026

AI Sales Agent

An AI agent that answers WhatsApp, qualifies every customer and hands ready-to-do work to Sales, the Workshop and Management.

  • n8n
  • OpenAI API
  • Evolution API
  • PostgreSQL
  • JavaScript
  • HTML and CSS
Read the case study
misaelrosas.pages.dev/demos/agente-comercial/metricas.html
Preview of AI Sales Agent: AI Sales Agent metrics dashboard with the conversion gauge.
Open full screen (opens in a new tab)

Stack

What I work with

Tools I use in production, grouped by the part of the problem they solve.

Interface
  • Astro
  • React
  • TypeScript
  • Tailwind CSS
  • nanostores
  • Accessible HTML and CSS
Automation and AI
  • n8n
  • OpenAI API
  • Evolution API (WhatsApp)
  • Conversational agent design
Data and services
  • PostgreSQL
  • SQL: views and migrations
  • Node.js
  • Webhooks and REST APIs
Infrastructure
  • Linux
  • nginx
  • Cloudflare Pages
  • Git
Practice
  • Clean and hexagonal architecture
  • Testing with Vitest
  • Mobile-first design
  • Accessibility

Contact

Is your operation still running on paper, phone calls or scattered chats?

Tell me how your team works today. I'll reply with a concrete proposal.