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Antonin Januska in a black cap and glasses in front of a graffiti brick wall
Antonin, Boulder, Colorado100%

Welcome to AJ/OS

Did you know…

I build with AI and write about what I learn.

20+ years of software development, writing about AI workflows, technical leadership, and the craft of building things.

20+Years Building
600+GitHub Stars
2012Blogging Since

Start Here - 3 hand-picked articles

3 object(s)Featured

C:\Writing\AI - Explorer

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Latest AI and machine learning posts
NameModified
I Built an AI-Friendly UI Pattern LibraryEvery pattern ships the prompt that rebuilds it.
2026-08-14
The Future is Bespoke, Personalized SoftwareSeven apps that are 100% right for one person.
2026-07-09
The Local-First App SkillSo every app I build comes out the same shape.
2026-07-09
An Honest Opinion on the State of Code Gen AI, Spring 2026 EditionAgentic harnesses, multi-agent architectures, and what still needs to change.
2026-03-25
I, AI: The Weight of Equal Parts (Part 3)Short story. A lunar mining base's AI starts overassigning crews.
2026-02-27
The Claude Code DrawbacksSkipped tests, weakened assertions, scope creep, and context rot.
2026-02-27
6 object(s)Workflows, tools, and experiments

C:\Writing\Digital Garden

4 object(s)Engineering, opinions, and deep dives

AI Experiments - Control Panel

4 object(s)Projects, tools, and creative AI work

Dial-Up Networking

My Briefcase

Projects

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Work With Me

I help companies implement AI workflows and accelerate their development teams.