I build large systems by day and my own small useful things by night.

Computer engineer at Google in Zurich, working on large-scale systems and ML-powered products. I enjoy turning messy problems into reliable software — and shipping small tools that make life a bit easier.

See my projectsRead my writing
builds things
at Google
Radu Stochitoiu
…and builds his own
after hours
← keep me sane

Interactive Perceptron

(play with the sliders)
inputs (features) → weights
0.730.50
0.850.90
0.910.50

z = w₁x₁ + w₂x₂ + w₃x₃ + b

bias-0.95z = 0.64
activationf(z) = 1 / (1 + e⁻ᶻ)(sigmoid)
P(banana)0.96
predictionbanana!
MAY 20, 2026

I stopped starting projects from the UX. I start from the MCP.

Starting from the UX makes side effects propagate. Starting from the MCP contract makes them disappear.

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