Jezai journalEssays, findings and experiments from Jezai, a two-person software company in the UK.https://jezai.co.uk/en-gbWe used to automate other people's work. Now we build our own products.https://jezai.co.uk/journal/from-agency-to-products/https://jezai.co.uk/journal/from-agency-to-products/Why Jezai stopped being an AI automation agency, what we build now, and why this website looks the way it does.Sun, 13 Sep 2026 00:00:00 GMTIgor & KarolWhy InkOnMe will never draw a tattoohttps://jezai.co.uk/journal/why-inkonme-will-never-draw-a-tattoo/https://jezai.co.uk/journal/why-inkonme-will-never-draw-a-tattoo/InkOnMe started as a consumer app for trying on tattoos. We rebuilt it for studios around two rules that sound like limitations. Here's the reasoning.Tue, 08 Sep 2026 00:00:00 GMTIgorOur flight alert app lost its data source. Here's what we'd do differently.https://jezai.co.uk/journal/when-your-data-source-closes/https://jezai.co.uk/journal/when-your-data-source-closes/FlightWatch worked, but the flight search API underneath it stopped taking new users. Lessons on building products on top of someone else's data.Fri, 28 Aug 2026 00:00:00 GMTIgorA carrier price is not insurance, and other things we learned building an art shipping calculatorhttps://jezai.co.uk/journal/art-shipping-calculator-lessons/https://jezai.co.uk/journal/art-shipping-calculator-lessons/Notes from rebuilding ArtCarli's shipping and import cost calculator around live carrier quotes, real delivery dates and landed cost.Thu, 20 Aug 2026 00:00:00 GMTKarol BugajskiWhat a day of building gets you, told through a weekend trip plannerhttps://jezai.co.uk/journal/building-a-trip-planner-in-a-day/https://jezai.co.uk/journal/building-a-trip-planner-in-a-day/We built a working AI trip planner for short European weekends in about a day. Here's how it's put together, and what a day doesn't get you.Sat, 30 May 2026 00:00:00 GMTIgor