À propos de Nicolas
Français
Bilingue ou natif
Anglais
Bilingue ou natif
Portugais
Capacité professionnelle complète
Expériences
- RappiData Scientist for Product CategorizationE-COMMERCEjuillet 2020 - décembre 2020 (5 mois)- Developed a product categorization model from scratch using machine learning and Python to automatically classify products from the ecommerce application on three levels of granularity (the level two and three give a more detailed categorization than level one).- Assigned the model to automatically classify four million products sold in the company’s eCommerce application in eight different countries in Latin America in 400 different categories (from fresh food like fruits or meats to beauty products).- Put into production this model to be run automatically when onboarding new products.- Developed a matching tool using natural language processing to match new onboarding products to products already existing in the catalog of the eCommerce application (to use standard information from products already verified from the catalog).
- WavestoneData ScientistCONSEIL & AUDITmars 2017 - août 2017 (6 mois)- Created a Predicitive Maintenance model for a transport company using Machine Learning (data cleaning, Gradient Boosting Trees and detecting very rare events).- Created a benchmark of text classification methods with the purpose to develop a chatbot for the company.- Crunched and analysed data for a French national social organism to detect loss of money in allowances distribution.
- CDISCOUNTData Scientist specialized in Credit Risk ScoringE-COMMERCEoctobre 2017 - décembre 2018 (1 an et 2 mois)Bordeaux, France- Designed and developed an accurate, useful, and stable credit risk model for payment in four installments on the company's selling platform.- Initiated the production of new, improved credit scoring models every three months.- Optimized credit scoring models to score in real-time every customer buying on the website (1 million visits per day, implied building a very fast computing model).- Integrated new data sources and solutions into credit risk strategies.- Interpreted data science models and gave business recommendations to senior leaders.
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Formations
- Master of Science in Engineering (speciality Data Science)Telecom Paristech2017Courses of Machine Learning, Deep Learning, Statistics and Programming.