Senior Data Scientist, Growth (f/m/x)
Core
Design and ship statistical and machine learning models to optimize marketing spend, conversion funnels, and customer personalization for HelloFresh.
Role type
Senior IC data scientist (growth/marketing)
Builds
Production ML models for media investment, channel optimization, and customer communication decisioning
Domain
E-commerce marketing and growth
Deliverable
production ML models
Required skills
statistical modeling, machine learning, Python, SQL, experiment design, data pipeline construction, model monitoring
Preferred skills
media mix modeling, Bayesian forecasting, reinforcement learning, contextual bandits, Databricks/Spark, Gen AI tools
Technologies
Python, NumPy, Pandas, Scikit-learn, Matplotlib, SQL, Databricks, Spark, Git, Docker, AWS
Responsibilities
Design and build statistical/ML models from data collection to production; collaborate with engineering and marketing to translate business objectives; design experiments and interpret results; monitor model performance and data drift; build data pipelines; coach junior data scientists
Seniority
Senior, hands-on IC with mentorship
