Who I am and what I write about
I’m Andrej. I run Blueweb, a Slovak e-commerce agency. In 2026 I also started UNIT618, a CRO and data team that helps e-shops find where profit leaks.
I started as a frontend developer in 2016. Then UX, analytics, operations, and now running the company. I still build things myself, mostly tools that do the boring parts of my work.
What you’ll find here
Three topics. Every post comes from something I actually run.
- E-commerce experiments. How we test changes on e-shops and what the numbers really say. Example: The sample selection dilemma.
- AI agents that do real work. Tools my agents use every day, not demos. Examples: a CLI that buys things on Alza and how I process meeting transcripts.
- Personal automation. Small systems that save me time outside work. Example: bank emails into my budget.
When my setup changes, I add an update at the top of the post. The original text stays. You can see what held up and what didn’t.
How I write
The ideas and the experience are mine. AI helps with structure and language, because writing doesn’t come easy to me. If something is wrong or out of date, write me and I’ll fix it.
My current tools are on the homepage.
Rewritten in October 2026. The first version was a nervous note about starting a blog. A year and six posts later, this one is more useful.