Software engineer in NL
I build backend and AI systems, then write down what the architecture taught me.
Recent work: measured whether historical contribution concentration predicts later likely fixes across five JavaScript codebases, and built SaleSpotter, a retail data platform in Go and TypeScript.
After hours, the machines dream.
Creative experiments in the dark.
More creative projects coming soon
Selected
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Analysis · August 2026
Code Ownership, Measured: The Five-Percent Problem
Measured historical contribution concentration before a holdout across five repositories. Ownership added uneven signal beyond size and activity.
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Analysis · July 2026
Decoupling Level: How Replaceable Is Your Codebase?
I rebuilt a 2016 architecture metric from its papers and ran the approximation across eleven JavaScript projects.
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Project
SaleSpotter
Tracked prices across four Dutch retailers until anti-bot economics made the product impractical. The retrospective has the production numbers.