Senior Data Scientist (m/f/d) Evaluates the existing churn model and an agentic recommender. Defines features, labels, and evaluation for churn, CLV, and propensity. Designs the CLV methodology and measurement design for live waves. Develops models for personalization and engagement time windows per customer. 7+ years of data science experience with production models. Python, AWS, SageMaker. Churn - Survival Analysis - CLV, Propensity and Uplift Modeling. Explainability (SHAP) and Fairness. A/B