Technical articles and case studies
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.