Blog
Thoughts on building products, AI-assisted development, and the founder journey.
Possibly the Biggest Solo AI-Built Project in Czechia
237K lines of custom code. 3,528 commits. 15 months. One developer. Here's the proof behind the claim.
Read moreThe 1.4 Million Line Delete
I just finished a complete backend rewrite of Kvalty.cz. Replaced Directus with a custom solution. Here's what that actually looked like.
Read moreHow I Used 20 AI Agents to Extract Data From 1,700 Driving School Websites
The story of the Ralph method — a fleet of parallel Claude Code sessions that autonomously crawled, extracted, and validated every driving school in the Czech Republic.
Read moreVibe Coding vs. Vibe Engineering
The difference isn't how fast you write. It's how hard you make AI think. Here's the methodology behind building Kvalty.cz.
Read moreSix Roles, One Founder: What Solo AI Development Actually Looks Like
When building Kvalty.cz, I'm not just a developer. I'm a tech lead, art director, PM, QA tester, brand manager, and copywriter. Here's how the split actually works.
Read moreA Year Ago, I Couldn't Build a Website
Today I operate the largest driving school comparator in Czech Republic. Possibly the biggest Czech project built with AI assistance.
Read more