Tomasz Wierzbicki
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A Staging Environment Nobody Trusts Is Theatre
I once spent three weeks at a logistics startup trying to build a “perfect” replica of our production cluster, complete with mirrored traffic and identical…
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Give Every Flag an Expiry Date
I remember sitting in a dark apartment three years ago, staring at a trace of a production outage that felt like a ghost in the…
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The Cron Job That Silently Never Fired
I’ve spent enough 2:00 AM sessions staring at empty logs to know that if your scheduled task didn’t fire, you aren’t looking for a complex…
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Chasing Money Without Burning the Bridge
I remember sitting in my kitchen at 1:00 AM, staring at a spreadsheet that refused to balance, feeling that specific, hollow pit in my stomach…
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Coverage Is a Hint, Not a Target
I once spent a week at a logistics startup chasing a 95% line coverage metric like it was some kind of holy grail. We had…
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Talk to Five Users and Stop Theorising
I’ve sat through enough “UX Research Workshops” to know they’re mostly just expensive ways to learn how to ask leading questions. Most of these polished,…
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Invoice the Day the Work Is Done
I once spent three weeks building a custom automated billing pipeline because I thought a “professional” setup required complex integrations and a suite of expensive…
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Let the Logs Choose the Roadmap
I spent three months at a logistics startup building a highly sophisticated analytics dashboard because the product manager had a “hunch” based on a single,…
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Baseline the Existing Mess, Block the New
I once sat through a three-hour “best practices” seminar where a consultant insisted that the only way to achieve code quality was to mandate a…
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The Queue Is Growing Faster Than You Drain It
I remember a Tuesday night at the insurance firm, sitting in a dark room with nothing but the blue light of my monitor and a…