Case Studies

Detailed write-ups of operational, engineering, and marketing work — pulled from the field, not from a deck.

AI engineering · 2026

Evaluation gates for a production multi-agent system serving 700,000+ students

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.

Read case study →

Infraestructura operativa · 2025

Simulación de flujo de tráfico para estacionamientos

Un simulador de eventos discretos para analizar flujo, filas y cuellos de botella en estacionamientos antes de tomar decisiones de obra u operación.

Read case study →

Healthcare operations · 2021 to 2022

Built a COVID-19 Testing Platform for 1M+ Users

Helped a Spanish laboratory scale from 1,000 to 100,000+ COVID-19 tests per month across Latin America during the pandemic.

Read case study →

Engineering · 2025

Built an Airtable MCP that lets you chat with your database

An open-source MCP server that lets you query, edit, and chat with any Airtable base from Claude or any MCP-aware client.

Read case study →

Open source infrastructure · 2026

Notion to Site: a Notion CMS engine for owned websites

An open-source Notion-as-CMS engine, starter, and real reference site that keep content in Notion while the website stays owned in code.

Read case study →

Product engineering · Dec 2025 to Mar 2026

A project-management module for accounting firms, built end to end

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.

Read case study →

AI product engineering · 2026

LeanManufacturing.mx: a consultancy platform that answers questions on its own

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.

Read case study →

Growth engineering · 2015 to 2026

Outbound as an engineering discipline: deliverability, prospecting engines, and funnels

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.

Read case study →

AI agents · 2026

MetaMCP as a Cloud Run MCP gateway

How a local MCP gateway becomes a cloud-facing tool surface for agents on Cloud Run.

Read case study →

AI agents · 2026

Cotizera Agents

How quoting, WhatsApp follow-up, and pipeline updates become agent-assisted sales work.

Read case study →

Operations · 2017 to 2018

Scaling a Remote Sales Team from 0-60

How two operators in Monterrey ran a 60-person distributed sales team for a US client by splitting the funnel into specialized roles.

Read case study →

Marketing · 2015

Over +1,876% ROI using Facebook Ads

A 2015 affiliate funnel that returned 1,876% on ad spend. The offer, the creatives, and the media-buying loop that made it work.

Read case study →

Data engineering · August 2025

From Sync Bridge to Data Warehouse

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.

Read case study →

Data engineering · August 2025

Building an Enterprise Analytics Platform

Migrating an enterprise customer from legacy MongoDB to a modern real-time analytics platform. Schema design, the dashboard layer, and the warehouse underneath.

Read case study →