Alex Martin
Senior Machine Learning Engineer at River
Barcelona, Catalonia, Spain
Summary
👤
Senior🎓
Top SchoolAlex Martin is a Senior Data Scientist based in Barcelona with a decade of experience turning physics-trained intuition into product-focused ML solutions across e-commerce, logistics, and mobile analytics. He has led analytics and modeling efforts at companies like RevenueCat, Wallapop, and Stuart—building valuation, discovery, and delivery ETA systems that bridge research rigor and production impact. A former physics researcher with internships at ALBA Synchrotron and a master's in Complex Systems, he brings strong experimental design and causal thinking to commercial problems. Alex also teaches machine learning, signaling an ability to explain complex methods to practitioners and mentor teams. Outside work he foregrounds family, which he cites ahead of his professional identity — a reminder that his problem-solving is grounded in real-world priorities.
10 years of coding experience
8 years of employment as a software developer
Master’s Degree Physics of Complex Systems, Master’s Degree Physics of Complex Systems at Universitat de les Illes BalearsPhysics Degree Physics, Physics Degree Physics at Universitat Autònoma de Barcelona
Spanish, Catalan, English
Github Skills (50)
python10
data-science10
statistics10
machine-learning10
scikit-learn10
data-analysis10
cli9
react8
chess-engine8
chess8
computational-social-science8
tailwindcss8
jekyll8
javascript8
bootstrap8
Programming languages (6)
Github contributions (5)
alexmolas/ml-blogs
Nov 2022 - Feb 2023
A public repository of personal ML/DS blogs.
Contributions:1 review, 11 commits, 2 PRs in 2 months
machine-learning
alexmolas/alexmolas.github.io
Dec 2020 - Nov 2022
Personal web page.
Contributions:1 review, 164 commits, 2 PRs in 1 year 11 months
reacttailwindcssshowcasessoftware-developerjavascript
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