Back to SearchLead Data Scientist
Remote in Argentina, & 4 others
Data Science& 10 others
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We are seeking a Lead Data Scientist to drive core modeling execution, including running competitive model bake-offs, selecting champion models, performing model evaluation, and implementing anomaly detection.
Responsibilities
- Conduct model experimentation and bake-offs across multiple algorithmic families (tree-based regressors, statistical forecasting, deep learning, optimization)
- Select and justify the champion model based on cross-validation and business-defined error metrics
- Implement anomaly detection algorithms to identify outliers and operational disruptions in historical demand data
- Track and log experiments using MLflow within the Microsoft Fabric environment
- Partner with Data Engineering and BI teams to ensure seamless feature delivery and prediction consumption
Requirements
- Advanced degree or equivalent experience in Data Science, Statistics, Operations Research, or Computer Science
- Expertise in Time Series Forecasting, Machine Learning, and mathematical optimization
- Proficiency in Python and modern ML libraries such as LightGBM, XGBoost, and Scikit-learn
- Familiarity with Prophet and Optuna
- Experience with experiment tracking using MLflow and validation methodologies such as walk-forward CV
- Professional English proficiency (B2+/C1)