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Hi, I’m Piotr! 👋

I am a husband to a renowned philosopher, Karolina Krzyżanowska.
I work as a software engineer at HashiCorp.
I enjoy playing awful electronic jazz music and riding a bike in my free time.
I live in Warsaw Leuven Bergen Munich Amsterdam.

Recent

The Deceptive PR Behind Apple’s “Expanded Protections for Children”

Update Dec 7, 2022: Apple scrapped the plan of CSAM-scanning iCloud Photos libraries. My wife is pretty tech-savvy. While not a software engineer and not a computer scientist, she has a good understanding of computing technologies, statistics, formal methods, and an intuitive (but quickly growing) grasp of machine learning.

The LSP Revolution

Remember the days when you had to look for plugins for your editor to support your favourite programming language? Or even the language that isn’t your favourite, but which for some reason you need to write in?

Bargaining with my left-wing indulgence

Yesterday I read Rutger Bregman’s excellent opinion piece in The Correspondent, and today is Tuesday. Tuesday, in my household, is the recycling day.

The Four Stages of Staycation

Planning I’m gonna read a book a day. I’m gonna go through SICP (including all the exercises) and Kurt’s new Haskell book.

How not to interview software engineers

Don’t ask them to do an overly time-consuming assignment, unless you’re going to pay them. If they need to spend more than a couple of hours and you expect the solution to ship a full suite of tests, you’re doing it wrong.