Detailed write-ups of operational, engineering, and marketing work — pulled from the field, not from a deck.
AI engineering · 2026
How a probabilistic system serving 700,000+ students ships like ordinary software: golden cases as code, an LLM judge calibrated until its verdict can block a release, hermetic per-case state, and evaluation gates that scale with the environment — on Vertex AI, ADK, and Cloud Run.
Infraestructura operativa · 2025
Un simulador de eventos discretos para analizar flujo, filas y cuellos de botella en estacionamientos antes de tomar decisiones de obra u operación.
Healthcare operations · 2021 to 2022
Helped a Spanish laboratory scale from 1,000 to 100,000+ COVID-19 tests per month across Latin America during the pandemic.
Engineering · 2025
An open-source MCP server that lets you query, edit, and chat with any Airtable base from Claude or any MCP-aware client.
Open source infrastructure · 2026
An open-source Notion-as-CMS engine, starter, and real reference site that keep content in Notion while the website stays owned in code.
Product engineering · Dec 2025 to Mar 2026
A project-management module built from zero inside a Texas accounting platform: multi-view React frontend, Neo4j Lambda backend, a recurring scheduling engine, and a 90% lighter bug reporter.
AI product engineering · 2026
The platform for a Monterrey lean manufacturing practice: an open Spanish documentation corpus, a five-layer maturity self-assessment drawn from my own working paper, hybrid RAG over pgvector, and a public MCP server so agents can read it too.
Growth engineering · 2015 to 2026
Ten years of outbound, rebuilt as infrastructure: deliverability as a precondition (warming.email, mentu-email), prospecting engines with per-field provenance and scored dossiers, and quotation funnels that turn attention into structured leads.
AI agents · 2026
How a local MCP gateway becomes a cloud-facing tool surface for agents on Cloud Run.
AI agents · 2026
How quoting, WhatsApp follow-up, and pipeline updates become agent-assisted sales work.
Operations · 2017 to 2018
How two operators in Monterrey ran a 60-person distributed sales team for a US client by splitting the funnel into specialized roles.
Marketing · 2015
A 2015 affiliate funnel that returned 1,876% on ad spend. The offer, the creatives, and the media-buying loop that made it work.
Data engineering · August 2025
How an internal sync bridge evolved into a proper data warehouse. The architecture shifts that scaled past ad-hoc ETL and made business data queryable.
Data engineering · August 2025
Migrating an enterprise customer from legacy MongoDB to a modern real-time analytics platform. Schema design, the dashboard layer, and the warehouse underneath.