I write about code, design, technology, and whatever else steals my attention. Most older posts started in Spanish; both versions now live side by side.
In his Rails World 2026 keynote, DHH said 37signals no longer writes code by hand and that HEY is being rebuilt without Rails. What he actually said, what he didn't, and why the whole talk is worth your time.
Behind a pension calculator there is a person with a much simpler question: how much money will I have to live on when I retire? On designing from that question rather than from how the system works, and why AI should let users understand less, not more.
The narrative of abandoning projects and organizing around products won, and it was right about almost everything. But several organizations confused eliminating the project manager with eliminating their responsibilities. About a job that was left without an explicit owner.
A username, a password, and the medical records of more than 156 thousand Panamanians exposed according to public reports. In parallel, three terabytes of data claimed by a ransomware group against CSS. On why we continue to be surprised when nothing about how we build, regulate and cover software in this country suggests it should be any different.
Why measuring production stopped making sense in the era of generated code, and what to measure instead.
Going fast doesn't mean going far. On why speed without structure is a half-understood fallacy and how good practices are the true accelerator.
In medium and large organizations, effective component reuse can make the difference between teams that move quickly and teams that constantly reinvent the wheel.
In the era dominated by AI and automatically generated code, are we sacrificing quality of deliverables for speed and simplicity?
Being engineers, we focus mostly on the technical components and not on those who use them. Accessibility is a forgotten topic
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33 more articles, since 2013.
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