Hello 👋 Welcome to my portfolio!

I'm Krzysztof Sordyl

Frontend developer passionate about React.js ecosystem, focused on creating modern web apps.

Based in Bielsko-Biała, Poland 🏔️

2025-08-23blog post

Design System Pitfalls: Lessons from Integrating at Scale

In large organizations, design systems promise consistency and lower cost—but they often fall into predictable traps. Here’s what to watch and measure.

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2025-04-06blog post

React 19 support for web components

React 19 introduces full support for the web-components and treats them as first class-citizen. The article discusses the previous version pain points by example.

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2025-03-16blog post

Measure package sizes effectively

A small guide to identifying npm packages bundle size. You will learn which tools are providing better insights than Bundlephobia.

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2024-12-22dev-bite

Vitest timing breakdown

Breakdown of each step of duration printed out after running the Vitest tests. Including some hints on how to improve each of the metrics

2024-08-03dev-bite

How to Measure ESLint Execution Time

Find out how to check which ESLint rules takes a lot of time to scan the project