Journey
Nine years across web development, and running.
Building software with curiosity, precision, and endurance.
Latest posts
Waypoints along the route
01
· 5 MIN
You Can't Undo a Command Sent to Mars
Practical idempotency: how to safely command a Mars rover and keep it out of a crater
- Python
- System design
02
· 1 MIN
Izera running
Last week, during a holiday in the mountains, I got to try real mountain running for the very first time.
- Running
- Trail
03
· 3 MIN
Wrocław Half-marathon
On 6 June 2026 I ran the Wrocław Half-marathon. If someone had told me just a few months earlier that it was possible, I'd probably have taken it for a joke. But let's start from the beginning — how did this whole thing even start?
- Running
- Street
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Basecamp
End of the trail. For now.
Open to conversations on architecture, Python, and the occasional mountain route.