Grégoire David is a data engineer and former data science team lead with 12 years of experience building ML-driven products and end-to-end data platforms, currently working at Pennylane in Brittany. He combines hands-on skills in training and deploying machine learning models, building and maintaining big data pipelines (Spark/Oozie), and shipping back-end and front-end pieces to serve web apps. His background includes leading cross-functional teams at Booking.com to improve pricing algorithms and personalization systems, and translating experimental metrics into product strategy. Trained in econometrics at École Polytechnique and Sciences Po, he brings a strong quantitative foundation to pragmatic engineering and change management. As a freelance-ready polyvalent practitioner, he’s equally comfortable designing metrics and governance as he is coding production data services.
12 years of coding experience
7 years of employment as a software developer
Master's Degree Econometrics and Quantitative Economics, Master's Degree Econometrics and Quantitative Economics at École Polytechnique
Master's degree Economics, Master's degree Economics at Sciences Po
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