Building AI products, platforms, and AI-first systems at scale.

Hands-on engineering across AI tutors, adaptive assessments, browser runtimes, and conversational systems — from serverless LLM orchestration and on-device ML to APIs used by thousands of developers. Each project reflects work leading architecture, shipping at scale, and aligning systems with real user outcomes.

Projects

Platzi AI Chat

Scaled Platzi’s AI tutor (Ada) to 6,000+ concurrent learners on serverless Cloudflare Workers, with LangChain, GPT-4, and RAG for context-aware support.

Platzi Placement English Test

Adaptive English placement on FastAPI: CAT algorithm for precise leveling with fewer questions, plus Whisper-powered speaking assessment.

Platzi Coding Playground

In-browser coding environment running Python via Pyodide (WebAssembly), SQL, and JavaScript in secure sandboxes with automated challenge validation.

Lulla AI

On-device TensorFlow.js audio classification for baby sleep patterns — edge ML on Ionic/Angular with real-time inference and sleep insights for parents.

WhatsApp Chatbot

Healthcare WhatsApp agent with Microsoft Bot Framework and LUIS — appointment booking, conversation analytics, and NPS dashboards on Angular and Couchbase.

Real Estate Dashboard

Real estate lead capture plus seller dashboard with Kanban pipelines, property hub, and role-based access — Angular, Ionic, Flask, and Couchbase.

Duety

Couples rewards app for iOS and Android — custom Ionic/Angular UI, reactive forms, and a reusable component library across the experience.

Open source

Public APIs and tools maintained for the developer community — reliable contracts, documentation, and scalable delivery.

Platzi Fake Store API

High-availability REST and GraphQL fake store API used by developers worldwide for e-commerce prototypes, with NestJS, docs in Astro, and AI-generated catalog data.