Sofia Reyes

Data Scientist

Madrid, Spain

RemoteHybridOpen to offers

About

I work at the boundary of data science and engineering — models are only useful if they run in production under load. I've built fraud detection systems processing 40M events a day and I care a lot about interpretability for the humans downstream of my models.

Experience

Data Scientist · Cabra Risk
2021 — Present
Built the fraud model suite protecting $600M in annual transaction volume.
Data Analyst · Vento Retail
2019 — 2021
Built demand forecasting models that cut overstock by 14%.

Portfolio & work samples

Real-Time Fraud Scoring

Architecture writeup for a sub-100ms fraud scoring pipeline.