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Javier Marin

Featured Book

La aventura de trabajar en equipo

La aventura de trabajar en equipo

A comprehensive book about the keys that define effective teamwork

2025

Stories

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Generative AI

by

Javier Marin

·

Sep 8, 2025

What is XML Prompting And Why You Should Care About It

The way you organize your prompt matters

What is XML Prompting And Why You Should Care About It

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Generative AI

by

Javier Marin

·

Jun 10, 2025

APE: How Biology Taught Me to Fine-Tune AI Models 33% Better

What if the secret to better AI wasn’t more computing power, but understanding how life itself learns and adapts?

APE: How Biology Taught Me to Fine-Tune AI Models 33% Better

Javier Marin

·

Jul 1

Do You Know What You Want?

Why Prompting Matters More Than Ever

Do You Know What You Want?

In

Data Science Collective

by

Javier Marin

·

Oct 21, 2025

I Failed to Build a Learned Hallucination Detector

Here’s the Rule-Based System That Actually Works

I Failed to Build a Learned Hallucination Detector

In

Generative AI

by

Javier Marin

·

Oct 8, 2025

What Happens When AI Agents Work Together?

Lessons from the Road

What Happens When AI Agents Work Together?

In

Data Science Collective

by

Javier Marin

·

Oct 1, 2025

Context Engineering vs. Prompt Engineering

The work matters more than the name

Context Engineering vs. Prompt Engineering

In

DataDrivenInvestor

by

Javier Marin

·

Sep 30, 2025

Testing AI Systems Against Business Reality

Deployment Patterns That Survive Contact with Customers

Testing AI Systems Against Business Reality

In

Generative AI

by

Javier Marin

·

Sep 24, 2025

How Prompting Helps You Comply with the EU AI Act (with examples)

Building systematic approaches to AI transparency, auditability, and risk management

How Prompting Helps You Comply with the EU AI Act (with examples)

In

Generative AI

by

Javier Marin

·

Sep 22, 2025

How to Build Advanced Logic Into Your XML Prompts

Decision Trees and Boolean Logic for Production AI

How to Build Advanced Logic Into Your XML Prompts

Javier Marin

·

Sep 4, 2025

About Me

Javier Marín

About Me

Javier Marin

Javier Marin

Book Author

Getting AI from prototype → production with systematic failure measurement + compliance. Schedule a 30-min strategy call: ✉️ javier@jmarin.info

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