Data Scientist

Job summary

Responsibilities

As a Data Scientist, you’ll join our Data Science team, distributed across Paris, Lyon, Barcelona, and Brussels.

• Design, train, and evaluate recommender system models using state-of-the-art ML techniques.
• Conduct in-depth data exploration and feature engineering to extract actionable insights.
• Perform offline experiments and A/B tests to validate model impact on key business metrics.
• Collaborate with ML Engineers to ensure smooth model deployment and monitoring.
• Present findings and new approaches during Data Science Demos.

What they're looking for

• Proficiency in Python (Pandas, NumPy, Scikit-Learn, etc.)Proficiency in SQL.
• Foundational knowledge of Machine Learning.
• Experience working with Machine Learning libraries (XGBoost, LightGBM, TensorFlow, PyTorch).
• Solid understanding of statistics, evaluation metrics, and experimentation design.
• Prior experience with recommender systems or e-commerce is a strong plus.

Tech stack

• Python
• Pandas
• NumPy
• scikit-learn
• SQL
• TensorFlow
• PyTorch