Mattia Fumagalli
Senior Engineering Manager - Machine Learning at Etsy
New York, New York, United States
Summary
👤
Senior🎓
Top SchoolMattia Fumagalli is a senior engineering manager specializing in machine learning with 11 years of experience building measurement-driven ML teams across ad tech and consumer platforms. He has led lift and causal inference efforts at Snap and Integral Ad Science and now focuses on trust & safety and content evaluation at Etsy, translating complex causal questions into production ML that informs business decisions. Trained as an astrophysicist (PhD, Leiden), he brings strong statistical rigor and experience handling massive scientific datasets to industry problems. Beyond product work, he volunteers data science for education, environment, and food-security nonprofits, often leading multi-person pro bono teams and deploying cloud data platforms. Colleagues rely on him to bridge research, engineering, and measurement to deliver robust, explainable models at scale.
11 years of coding experience
9 years of employment as a software developer
Doctor of Philosophy (PhD) Astronomy and Astrophysics, Doctor of Philosophy (PhD) Astronomy and Astrophysics at Leiden UniversityData Science, Data Science at The Data IncubatorMaster of Science (M.Sc.) Astrophysics, Master of Science (M.Sc.) Astrophysics at Università degli Studi di Milano-Bicocca
Italian, English, Dutch, Spanish
Github Skills (3)
react5
typescript3
wfp1
Programming languages (1)
Github contributions (5)
mattiaf/WFP
Mar 2016 - May 2016
Contributions:11 pushes, 2 branches in 1 month
mattiaf/Chb
Feb 2015 - Feb 2015
Contributions:15 pushes, 1 branch in 1 day
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.