9 Tunnels

Notes on building, leading, and the journey between milestones. By Angelo Rodriguez.

All Engineering & AI Founder journal Making Craft & culture
Founder journal April 13, 2026

An AI agent is my entire IT department

I'm developing three businesses with no IT staff. An open-source AI agent handles my email, my servers, my DNS, my infrastructure, and half the decisions I used to lose sleep over. This is what that actually looks like.

Engineering & AI April 10, 2026

Control of your codebase is an illusion

Every engineering leader has said it: 'if we had more time to test, review, and define requirements, we wouldn't have these production issues.' AI doesn't change that problem. It changes the economics of solving it.

Engineering & AI March 22, 2026

AI should never be the reason you're laying off people

Over 100,000 employees were impacted by AI-attributed layoffs in 2025. In most cases, AI is either the excuse, the misunderstanding, or the tell that imagination ran out.

Founder journal March 22, 2026

9 Tunnels

When I was six years old, my father taught me to count tunnels on the drive from Yokohama to Yokosuka. It changed how I see every journey since.

Founder journal January 18, 2026

The secret of my success

Someone believed in me when I didn't believe in myself. Specific, genuine positive feedback changed the trajectory of my career.

Engineering & AI February 23, 2021

Working with global teams: top 10 rules

18 years of managing offshore teams distilled into ten rules. They apply to any team, but they matter most when distance amplifies every mistake.