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Thoughts on building products, AI-assisted development, and the founder journey.

startup

Kvalty Turns One. The Idea Is Almost a Decade Old

Kvalty turns one as a company. The idea sat in my head for years, AI helped me finally build it, and the project keeps growing.

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ai

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.

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engineering

The 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.

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ai

How 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.

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ai

Vibe 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.

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startup

Six 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.

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startup

A 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.

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