Nicolas Lassaux
Co-Founder & Head Of Machine Learning at HelloData.ai
Amsterdam, North Holland, France
Summary
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Rockstar🎓
Top SchoolNicolas Lassaux is a machine learning and optimization leader with 11 years of experience applying ML to real estate problems, currently co-founding and heading ML at HelloData.ai to automate pricing, data extraction, and repetitive workflows. He moved from building predictive pricing and document-parsing models as one of the earliest hires at Enodo to leading data science at Walker & Dunlop, where his teams’ models helped source billions in loan volume and cut underwriting times by roughly 30%. Nicolas blends hands-on engineering across front-end, back-end, and MLOps with an operations-research mindset, enabling practical, production-ready solutions rather than research prototypes. Based in Amsterdam with engineering roots from École ENSEIRB-MATMECA and a US master’s stint, he’s particularly focused on cleaning and structuring messy real-estate data to unlock new decision-making signals.
10 years of coding experience
5 years of employment as a software developer
Master's degree Computer Science, Master's degree Computer Science at Illinois Institute of TechnologyMaster's degree Computer Science, Master's degree Computer Science at ENSEIRB-MATMECADEUG Mathematics / Physics, DEUG Mathematics / Physics at Classes Préparatoires de Bordeaux (CPBx)
French, English, Spanish
Stackoverflow
2,366reputation
204kreached
17answers
35questions
Github Skills (200)
excelreader10
annotations10
api-client10
testing10
bionic10
datasets10
excel10
spreadsheet10
pythonic10
gradient-boosting10
recommender10
xlsx10
shap10
semantic-segmentation10
vba10
Programming languages (10)
Github contributions (5)
nlassaux/map-reduced-ANN
Apr 2016 - Aug 2016
Contributions:3 commits, 1 push in 4 months
odutfoy/CS-555-Project
Dec 2015 - Dec 2015
Contributions:27 pushes in 1 day
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