Technical articles and case studies
I built an AI-powered CRM for cold-calling companies. It works. But the hero turned out to be the most boring piece of code in it — and the AI layer I actually cared about was blind.
Should you give AI the whole personal.md — finances, fears, goals, writing style? I'd rather treat context as architecture, not a diary. On staying in control of which version of you the model amplifies.
From empty repo to a portfolio with AI consultant, Stripe payments, and bilingual content. The full build story of arturmrowicki.pl — decisions, mistakes, results.
Case study: sales funnel powered by Claude Haiku and Opus, integrated with Stripe, Supabase, and Resend. Architecture, prompt engineering, economics.
The iterative process of building a qualifying bot: from MVP through 15 rules, a failed Gemini experiment, a full revert, to an urgent form with Telegram. An honest story without success bias.
Case study: audit of a no-code system, fixing critical payment, OAuth, and Telegram webhook bugs. How Fixer IT rescues systems.