The Excel that became your operating system
I have nothing against Excel. What worries me is the file that gets updated every 8 hours, passes through five hands, and if someone misses it there is no daily close.
Engineer · Monterrey
I build B2B products that collect, invoice, or run a real business in Mexico. Software people use every day.
Software engineer, lover of coffee and cats. I work with marketing and artificial intelligence every day.
I write about business, technology, building teams, and a bit more.
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I have nothing against Excel. What worries me is the file that gets updated every 8 hours, passes through five hands, and if someone misses it there is no daily close.
The fear of putting structure in is real, and it has a point. But mess is not agility, and mixing them up costs you the good years of the business.
At Bolteam we generated the leads. Lots of them. And we still crashed into a wall. What I learned there is what I've been seeing in dozens of businesses ever since.
An angry client. A signup that was already done. An email that never went out. The time you lose jumping between apps hurts. What you can't see hurts more.
I had been following Daniel Marcos on YouTube. A year before the Tank I started applying Scaling Up with my teams. March 26, 2025 was just the day I saw him live.
Writing
A dark factory is like a pizzeria. Shipping code on autopilot feels the same: if your ingredients are bad, don't expect something delicious.
A fun way to represent the MVC on the real world it will be thinking on how a MUSICAL ORGANIZATION works.
Simple thumbs up rules and tools you can use for get the best performance on Ruby on Rails. Don't let your APP take control over you.
The epic journey of a request that travels from your browser to your Rails APP on a blink of an eye.