9 Tunnels

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

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

How good are coding agents today? What do the benchmarks tell us?

A 93% on SWE-Bench Verified does not mean an agent does 93% of an engineer's job. It means something much more specific, and reading the specifics correctly is the whole game.

Engineering & AI April 27, 2026

Stop asking AI questions. Start having it do things for you.

Most people who use AI are stuck in transactional mode: type a question, read the answer, close the tab. The leverage is somewhere else, and almost nobody is there yet.

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.

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.