Hi, I'm

Tony Mowers

A software engineer in Switzerland, writing about code, craft, and whatever I'm learning now.

Read the blog About me

Illustration of Tony giving a thumbs-up beside a golden retriever, with a Swiss lake, mountains and a signpost reading Hike, Run, Explore, Learn, Good Food, Good Dogs

Featured Posts

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October 21, 2026

javascripttoolingnodetdd

Setting Up a Machine for JavaScript Development Again

It had been a while since I set up a machine for JavaScript. Here is the toolchain I chose (fnm, pnpm and Vitest) and how I used the Fibonacci kata to test it.

October 7, 2026

aillmclaude codeteaching

Same Model, Different Harness

What happens between your prompt and the reply, and why the code around an LLM matters as much as the model itself.

September 15, 2026

web developmentastrovercelclaude code

How I Build This Site (and Why It Isn't WordPress)

This site is built with Astro and hosted on Vercel. I change it by describing what I want to Claude, review a preview at its own address, and keep every past version. WordPress can't work this way.

On Writing Things Down

The habit of writing — not publishing, just writing — is one of the most underrated tools in a developer's toolkit.

March 2, 2026

side projectswriting

The Side Project Problem

Most side projects die in the gap between 'this would be cool' and 'this is actually useful.' Here's what I've learned about crossing it.