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About

Chris Cook

Hi, I'm Chris.

I'm a software engineer from Mannheim, Germany and co-founder of flyweight.io. I build things with TypeScript and ship open source projects.

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Recent posts

Why pruning OpenAI reasoning models is so hard
2026-02-24
Flatten Array of Arrays using JSONata for AWS Step Functions
2025-06-17
TypeScript CLI: Automate Build and Deploy Scripts
2025-01-27
TypeScripts Unique Symbols for Type Safety
2025-01-15
Buffer Logs and Flush Automatically on Error with Powertools for Lambda
2024-12-18
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Chris Cook (@zirkelc)
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