Build in public
Real stories of building systems, products, and tools — decisions, mistakes, and what actually worked
Real stories of building systems, products, and tools — decisions, mistakes, and what actually worked
Restaurant owner, no IT dept — I built my own compliant clock-in system
A €4,500/year problem, two contradictory Spanish laws, and ten NFC stickers at €1.50 each. Here's how a restaurant owner replaced enterprise software with cryptography and common sense.
She reconciled with a ruler. Earning her trust was harder than the algorithm.
A ruler, a pencil, and a finger tracing each line—until an algorithm from 1955 turned daily reconciliation into a puzzle game that's 94% solved before she sits down.
The Exercise Was Correct. And Still Bad. Finding the Invisible Architecture I'd Missed.
A correct answer and a correct topic still produced a bad exercise—because nobody mapped the invisible staircase of micro-skills between theory and practice.
