Olger Chotza

Olger Chotza

Software Engineer, AI Platforms

I take software that half-works and make it hold, usually a PoC that found real users before it found an architecture, or an app vibe-coded into existence that breaks every time someone touches it. Clean, hexagonal boundaries, mostly: the business logic in the middle, everything else replaceable at the edges. The rest of my time goes to AI platforms, models served in-house, agents wired to tools that do real work. Mostly Python, with Next.js when the thing needs a face.

Stuff I Made

  • PromptKit

    2025

    A prompt is a dependency. This gives it the tooling of one: YAML with typed inputs, a linter that finds the typo before your invoice does, eval suites that fail a build, and a price for the run before you press go. On PyPI as promptkit-core.

    • Python
    • Pydantic
    • Jinja2
    • Typer

Stuff I Wrote

See all

  • The Demo That Parks One Time In Five

    I built a car that parks itself by scoring a menu of seven sentences. Then I took away its map, gave it ultrasonic sensors, and watched it get four times worse.

  • The Normalisation That Picked The Worst Answer

    Scoring a fixed menu of options instead of generating text: the maths, the one-pass trick, what it guarantees, and the default that hands 99% to the worst reply.

  • The Value Of A Closed Feature Request

    My library has a page listing what it will never do. It's the most useful page in the docs, and it's the reason people can adopt it.

Say Hello

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  • Emailmeochotzas.com
  • GitHubochotzas
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  • PyPIpromptkit-core