Tomasz Wierzbicki
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A Retry Without Idempotency Is a Duplicate
I remember sitting in my kitchen at 3 AM, watching a dashboard turn a violent shade of red while my service essentially performed a self-inflicted…
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Safe to Run Twice
I still remember the sound of my phone buzzing on the nightstand at 3:14 AM during my time at the logistics startup. It wasn’t a…
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It Passed Locally Is Not an Excuse
I once spent a full Tuesday chasing a phantom bug that only appeared in our Jenkins pipeline, despite my local test suite giving me a…
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One Feature Can Be Worth Money
I spent three weeks building a specialized log parser during a particularly brutal stint at a logistics startup, only to realize I had no idea…
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Green on My Machine, Red in the Pipeline
I was sitting in my kitchen at 3:14 AM, staring at a terminal window that felt like it was mocking me. My local tests were…
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When You Are the Whole Engineering Team
I spent three hours last Tuesday reading a blog post that suggested the secret to scaling a solo project is implementing a distributed microservices architecture…
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Docs Pay Off at User Number Two
I once spent three hours in a dark Slack thread trying to explain a simple API change to a DevOps engineer who just wanted to…
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Five Minutes Every Friday
I once spent an entire performance review cycle trying to remember why I’d spent three weeks refactoring a legacy payment gateway, only to realize I’d…
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The Default Argument That Remembers
I still remember the cold, stale air of the office at 3:14 AM during my time at that logistics startup. I wasn’t debugging a complex…
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Five Minutes Is the Attention Budget
I spent three years at a logistics startup where our CI pipeline was essentially a ritual of patience. You’d push a fix, go grab a…