Writing — Jorge Barrera
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Writing — in progress

Field notes on making agents work in the real world.

I'm starting to publish what I've learned building agentic systems inside mission-critical airline IT — on reliability, security, and the economics of going agent-native. Here's what's on the way. Follow along on LinkedIn while these land.

Writing now

Putting a price on tech debt: the model I built at Sabre

How we turned technical debt into a Tech Debt Score and Tech Debt Leverage that leadership can budget against — statistically weighted models tuned with Vertex AI. My first long-form piece, in draft.

Drafting · publishing soon
On the way
Reliability

Beyond the demo: what production-grade agents actually require

Evals, knowledge graphs, and grounding — the unglamorous work that decides whether an agent ships or stays a slide.

Coming soon
Security

Securing agents that act with real permissions

As agents gain tool access, the security surface changes. A Certified Ethical Hacker's view on governing autonomous systems.

Coming soon
Strategy

The economics of an agent-native SDLC

TCO modeling and the business case for moving an engineering org off a manual lifecycle — without hand-waving.

Coming soon
Agentic AI

Lessons from a first end-to-end agentic travel experience

What orchestrating itinerary, flights, hotel, and payment across GenAI platforms taught me about where agents break.

Coming soon

In the meantime, I post shorter notes on LinkedIn ↗ — follow to catch these essays as they publish.

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