Hello, World! My name is

Ariel Villarreal.

Tech Lead and AI Engineer: AI agents in production.

9 years building software and leading teams. Today I lead a SaaS platform with 170+ AI agents in production, from evals and model migrations to AWS and mobile apps. I turn complex ideas into products that create real business value.

Projects

Arturito AI sales agent
🟢 Active
⭐ Featured

Arturito

2026

WhatsApp AI sales agents for real-estate brokerages in LATAM. I lead the whole platform: 170+ agents in production, eval-driven model migration (−42–53% cost per conversation) and the move to AWS.

Technologies

AILangGraphTypeScriptNextJSAWSTerraformReact Native
Pulppo Real Estate CRM
✅ Completed
⭐ Featured

Pulppo

2022–2026

Real-estate CRM operating in Mexico, Colombia and Argentina. Built operations management, Meta/WhatsApp integrations and connectors that publish to 10+ property portals.

Technologies

Google CloudKubernetesNextJSNode.jsMongoDBAI
Hexagramia AI music
🚧 In Progress
⭐ Featured

Hexagramia

2026

Official AI voices for independent artists: voice conversion, track separation and fusions. Version 2 relaunch with billing, in closed beta.

Technologies

AIPythonNextJSStripe
TalkIA English learning cafe
🚧 In Progress

TalkIA

2026

A personal AI English teacher in a pixel-art café: conversation practice with characters, custom scenes and spaced-repetition vocabulary.

Technologies

AIOpenAINextJSTypeScript
Mota Comix store
🟢 Active

Mota Comix

2026

Online store for an independent comic publisher in Mexico City: catalog, checkout with Mercado Pago and PayPal, and content managed in Sanity.

Technologies

NextJSSanitySupabaseMercado PagoPayPal
Cabiriart jewelry store
🟢 Active

Cabiriart

2026

Handmade jewelry e-commerce with MercadoLibre sales tracking.

Technologies

NextJSTypeScriptMercadoLibre
Charly García VR
🚧 In Progress

Charly García VR

2026

VR recreation of Charly García's jump from a hotel balcony in Mendoza (March 3, 2000), with real terrain, OpenStreetMap buildings and the sun of that day. Also playable without a headset.

Technologies

UnityC#VR
Defensa de Tenochtitlan game
🚧 In Progress

Defensa de Tenochtitlan

2026

Browser strategy game: the Mexica hold the Iztapalapa causeway (1521) and must bring down the fort of Xoloc.

Technologies

PhaserTypeScript
Alta Previa party game app
🔧 Maintenance

Alta Previa

2022–2026

Party-game mobile app with 20k+ organic downloads: real-time mini-games, Google/Apple login and an AI cocktail generator.

Technologies

TypeScriptReact NativeNestJSWebSocketsAI
Utopicx
✅ Completed

Utopicx

2023

Centralized portfolio platform with modular architecture for technology project showcase.

Technologies

TypeScriptNextJSTailwindCSS
Aguas San Mateo
✅ Completed

Aguas San Mateo

2023

Corporate landing page frontend development for ABInBev with focus on performance and accessibility.

Technologies

Front-EndTailwindCSSDrupalTypeScript
RataBBoy
✅ Completed

RataBBoy

2021

Full-stack web portal for content creator with integrated management system and analytics.

Technologies

TypeScriptNextJSMongoDB
github.com/arielskap

About Me

Argentine based in Buenos Aires after five years in Mexico City, with multicultural experience that enriches my technical perspective. My passion for innovation and emerging technologies drives me to lead teams toward ambitious solutions. I firmly believe in mentoring and collective growth. When I'm not coding, I'm building games and VR experiences.

Making the impossible possible

Contact Me

Ariel Villarreal mirando al horizonte
arielvillagu@hotmail.com
+54 9 11 3586-2360
ariel-villarreal
arielskap

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