Hej — I'm Jens.

I build apps, use them every day, and write about what breaks.

Platform engineer by trade, indie developer by obsession. This is where I keep field notes on shipping iOS and web products — the bugs I only find by being my own user, the features I talk myself out of, and the difference between code that's done and a product that's good.

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Engineering 17 June 2026 13 min read

The stack I reach for — and why it works for me, not for everyone

Google Cloud, Firebase, Cloudflare, Neon, Astro, React, Swift and Kotlin. The stack I build solo apps on, why I chose each piece, and why it suits my situation — not yours by default.

Product 10 June 2026 6 min read

An app can be an income without being a business

A clip about apps that print money — and the stop-vaping example in it — made me see the gap between an income and a business, and rethink where my hours go.

Building 10 June 2026 8 min read

I'm my own worst user

I build apps and platform tools because nothing else fits how I think — and the hard part was never the code. On necessity, restraint, and judging what to build by use, not by how fun it is to make.

Engineering 10 June 2026 11 min read

Why I rebuilt my app from React Native and Firebase to native and backendless

I built a workout app the way a backend engineer would — React Native, Firebase, anonymous auth, Cloud Functions. Then I deleted all of it. The migration to native and backendless, and what it taught me.