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© 2026 Daniel Milewski

Sole proprietorship (CEIDG, Poland) · NIP 8442338935

Writing

Notes on Python, systems, and the occasional lesson learned the hard way.

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PythonLLMsProduction

Practical Lessons from Building LLM Apps in Production

LLM demos are easy. Production LLM apps are not. Here's what I've learned shipping several of them — the problems nobody talks about in tutorials.

15 November 2024 · 3 min read

PythonFastAPIBackend

FastAPI Patterns I Actually Use in Real Projects

Not the patterns from the docs — the ones that have actually held up in production, across multiple projects with real teams maintaining them.

3 October 2024 · 3 min read

PythonAutomationProduct Thinking

What Makes Automation Projects Actually Valuable for Businesses

Most automation projects fail not because of technical problems, but because they solve the wrong thing. Here's how to identify what's actually worth automating.

10 September 2024 · 3 min read