Senior Data Scientist

World-class senior data scientist skill for production-grade AI/ML/Data systems.

Purpose

Design and analyze controlled experiments, build and evaluate prediction models, perform causal inference, engineer features for tabular datasets, and translate statistical findings into data-driven business decisions.

Trigger

Apply when the user requests:

• "design A/B test", "analyze experiment", "sample size calculation", "statistical significance"
• "build prediction model", "feature engineering", "cross-validation", "model evaluation"
• "causal inference", "difference-in-differences", "DiD analysis", "propensity score matching"
• "AUC-ROC", "SHAP values", "MLflow experiment tracking", "XGBoost", "Scikit-learn pipeline"
• "translate data findings to business decisions", "data science", "statistical modeling"