Hi! My name is Paweł. I’m a web developer from Poland and welcome to my digital garden! I am an Elixir developer with a lot of Ruby history. Therefore a lot of my articles are about these technologies. I also occasionally write about PostgreSQL, testing and programming in general.

About me

• Location: Wrocław, Poland
• Github: katafrakt
• Social media: Twitter, LinkedIn, Fediverse
• Stack of choice: Elixir/Phoenix, PostgreSQL, LiveView or Vue
• Cats: 2

My favourite articles

• Understanding complex Ruby application with profiling tools
• Hidden jewels of Ruby stdlib
• There’s a gem for this or how we got spoiled by the ecosystem
• Snowflake method for software projects

Latest articles

• Events, events, events (06 Feb 2023)
• Long story short: I wrote a Ruby extension in Zig (25 Dec 2022)
• Write Migrations Last (22 Nov 2022)
• Purity injection in Elixir (19 Oct 2022)
• ActiveRecord, over-optimization and POLS (28 Jul 2022)