Senior Data Scientist, Growth Alliance (f/m/x)
Core
Design and ship statistical and machine learning models to optimize marketing spend, conversion funnels, and customer personalization for HelloFresh's subscription-based food delivery service.
Role type
Senior IC data scientist (marketing/growth)
Builds
Production ML models for media investment, channel optimization, and customer decisioning
Domain
E-commerce / Digital Marketing
Deliverable
production ML models
Required skills
Statistical modeling, Machine learning, Python, SQL, Experiment design, Data pipeline construction, Model monitoring
Preferred skills
Media mix modeling, Attribution modeling, Reinforcement learning, Contextual bandits, Bayesian forecasting, Gen AI tools
Technologies
Python, NumPy, Pandas, Scikit-learn, Matplotlib, SQL, Databricks, Spark, Git, Docker, AWS
Responsibilities
Design, build, and take ownership of statistical and machine learning models from data collection to production; Collaborate with engineering and marketing stakeholders to translate business objectives into data-driven strategies; Design experiments, define success metrics, and interpret results accounting for statistical uncertainty; Monitor model performance, data reliability, and drift in production; Build data pipelines for large, heterogeneous datasets; Coach junior data scientists
Seniority
Senior, hands-on IC
