Engineering leadership writing by Matt Kaszubski. Engineering Leader in Warsaw — building teams, shipping globally, enabling AI.https://mattkaszubski.com/en-ushttps://mattkaszubski.com/writing/which-goalkeeper-are-you/https://mattkaszubski.com/writing/which-goalkeeper-are-you/Kahn, Buffon, Dudek — three ways to lead. The real skill isn't locking into one style forever. It's knowing which one the moment requires.Sun, 29 Mar 2026 00:00:00 GMThttps://mattkaszubski.com/writing/the-goalkeepers-guide/https://mattkaszubski.com/writing/the-goalkeepers-guide/Every engineering manager faces penalty kicks. The question isn't whether you'll dive. It's whether you'll commit.Sun, 22 Feb 2026 00:00:00 GMThttps://mattkaszubski.com/writing/the-checklist-origin-story/https://mattkaszubski.com/writing/the-checklist-origin-story/From Boeing's 1935 crash to CrowdStrike — how aviation's greatest safety innovation became software engineering's most underused tool.Wed, 01 Jan 2025 00:00:00 GMThttps://mattkaszubski.com/writing/the-fishing-net-problem/https://mattkaszubski.com/writing/the-fishing-net-problem/What we get wrong about measuring engineering efficiency — Goodhart's Law, DORA metrics, and the survivorship bias baked into most dashboards.Wed, 01 Jan 2025 00:00:00 GMThttps://mattkaszubski.com/writing/future-proof-your-code/https://mattkaszubski.com/writing/future-proof-your-code/From forEach loops to Object.groupBy — a practical guide to data grouping in JavaScript with TypeScript-safe implementations.Mon, 01 Jan 2024 00:00:00 GMThttps://mattkaszubski.com/writing/unlock-the-craic/https://mattkaszubski.com/writing/unlock-the-craic/How to create a secret easter egg page triggered by the classic Konami Code — keyboard event detection in TypeScript from scratch.Mon, 01 Jan 2024 00:00:00 GMT