codingnodejstypescript
Using GitHub Copilot To Migrate Cookiecutter from Python to Node.js
It’s the weekendand while my wife is busy playing on the Switch 2, taking turns with me on Pokopia, I decided to finally try something I…
8 Mar 2026
Hi đź‘‹
I'm Jonathan
A Principal Engineer at Legend, speaker about web technologies and software engineering blogger.
A Principal Engineer at Legend, speaker about web technologies
and software engineering blogger.
and software engineering blogger.
Jonathan Fielding
Principal Engineer
Legend
Principal Engineer
Building systems at Legend
Conference Speaker
Talks at LeadDev, CityJS & more
Engineering Blogger
Writing about software & leadership
From the blog
Thoughts on software engineering, leadership and technology.
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typescriptsoftware-developmentcoding
Typesafe, Validated Configuration in TypeScript (and why I built zodified-config)
If you’ve had a deployment succeed but act strangely, chances are an incorrect config was to blame. Config bugs are tricky because they usually pass code review (they’re seen as harmless config changes), they often will deploy successfully, and secrets in...
24 Jan 2026
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reflectionssharingsoftware-development
2024 in Review: Speaking, Building, and Growing
What a year 2024 turned out to be! It was a time of personal growth, meeting incredible people from all over the world in tech, and diving into some of the most rewarding experiences of my career.As 2025 kicks off, I thought...
7 Jan 2025