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Technology, product and applied AI

Hi, I'm
Alex Sanz

I build products and systems where architecture, business needs, and AI become real, reliable, and maintainable capabilities.

cat stack.json

// Stack & tools

{
  "product": ["Product design", "Discovery", "UX"],
  "ai": ["LLMs", "RAG", "Agents", "Evals"],
  "platform": ["K8s", "GitOps", "AIOps"],
  "data": ["Dagster", "ETL", "PL/SQL"],
  "process": ["BPM", "Process mapping"],
  "build": ["iOS", "Web", "SDD"]
}

Latest articles

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013 min

A small model as the first stop

With Laya and Jev, something happened to me that hadn't happened with a model in a long time. I thought: this is exactly what I was trying to achieve. In our Gateway, we had set up…

024 min

ADRs: memory for humans and context for agents

A few years ago, during my time at Santander Bank, we started using Architecture Decision Records (ADRs) to keep track of certain architectural decisions: what had been decided, wh…

034 min

Four WWDCs and What They Left Me

A few days ago I found myself going through old photos and came across pictures from the four WWDCs I was lucky enough to attend between 2016 and 2019. I was surprised by how many …

About me

15+ years building software where product architecture, data and AI become real business capabilities. Started with Oracle SQL and front-end in critical systems, led iOS products at scale in international banking, and today work at the intersection of systems, LLMs and digital transformation.