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Pieter Ouwerkerk

Pieter Ouwerkerk

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Joined January 2026

About

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San Francisco, California, United States
founding engineer at Happenstance. co-founder of RunKit (acquired by Stripe) and Anodize. UChicago ’12 & Y Combinator S2016 alumnus. former TC39 delegate for Stripe and RunKit (2016-2023).

Notes

XBXavier Bowsaid
POPieter Ouwerkerk
is one of the most impressive software engineers they've worked with.

Mar 5, 2026

DGDylan Gosssaid that if they needed a top-notch software engineer for a challenging project,
POPieter Ouwerkerk
would be a first choice.

Feb 23, 2026

DLDaria Lebedevasaid they would turn to
POPieter Ouwerkerk
for solving especially tough software engineering challenges.

Feb 6, 2026