Senior Data Scientist
- Рівень:
- senior
- Джерело:
- djinni.co
Що робити
- Build and improve censored bid-landscape models to estimate clearing-price distributions from partially observed auction data
- Develop real-time win probability estimation models responsive to bid pricing dynamics
- Design and implement hierarchical lift estimation models with confidence-bound-based selection strategies
- Build conversion propensity models using sparse, delayed, and aggregate-only labels
- Develop look-alike audience modeling approaches using positive-unlabeled learning and embedding-based nearest-neighbor techniques
Що очікуємо
- 5+ years of experience in Machine Learning or Data Science with production-grade models measured against business KPIs
- Strong Python skills including numpy, pandas, and scikit-learn
- Strong SQL skills and experience working with large-scale datasets
- Deep practical experience with XGBoost, LightGBM, or CatBoost
- Strong understanding of regularization, calibration methods, and categorical feature handling
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