Hi, I’m Marcell 👋
I build things for the web.

Communication has always mattered in software development. But I'd argue it matters more today than at any point in my career — and the reason is AI.

• software development
• communication
• ai

A practical guide for developers at every level — from 'what even is a Set?' to 'here's the edge case that'll bite you in prod.'

• javascript
• sets
• iterator-helpers
• promise-try

Best practices for designing robust APIs

• api
• mcp
• developer-tools