3 min read
My UX personas don't have stock photos (and that's why they work)
A persona with a made-up name and a stock-photo smile is report decoration. How I build personas that actually change a design decision.
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Notes on development, design, and the decisions behind them.
4 min read
Building and running a SaaS: what changes once customers are paying
There's a huge difference between building a product and keeping it running on a Tuesday at 3am when a payment webhook fails. What I learned taking GymSmartAccess from idea to a real business.
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4 min read
Atomic components that actually get reused (not just in theory)
Atomic design is easy to explain and often applied badly: components that are technically atomic but that nobody reuses because they were born coupled to a single screen.
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4 min read
Server Components vs Client Components in Next.js: when I use each
The question isn't which one is better. It's what needs interactivity and what doesn't, and that distinction changes how much JavaScript gets shipped to every visitor's browser.
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4 min read
The decisions behind a SaaS that have nothing to do with code
The framework you pick matters less than you think. The decisions that actually determine whether a product survives happen earlier, and they're business decisions, not architecture ones.
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4 min read
Tree testing: how I found out an entire category made no sense
Testing the structure before designing on top of it costs an afternoon and saves redesigning a menu twice. How to run one and how to read the numbers it returns.
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4 min read
How to write survey questions that don't tell you what you want to hear
A badly written survey is worse than no survey: it hands you numbers that confirm what you already believed. The most common mistakes and how I avoid them.
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6 min read
How I design an interface from scratch: my complete UX/UI process
The five stages I work through before calling an interface finished, with real numbers from the redesign I did for Argentina's largest tech retailer.
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4 min read
From Figma to production: my process for not losing anything in translation
Designing and coding the same product changes the order of decisions. How I organize the path from a Figma file to real components, without the friction of two people passing a file back and forth.
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