Senior Data Scientist (f/m/x)

Senior Data Scientist role in HelloFresh's Growth Alliance within the HelloTech organisation in Warsaw, covering marketing measurement and attribution, channel and funnel optimisation, and decisioning on customer communications. The role owns statistical and machine learning models end to end, from data collection through to production, working with engineering, product and marketing stakeholders. It requires strong Python and SQL skills, marketing or growth domain knowledge, and comfort working with statistical uncertainty in a high-traffic consumer-facing environment.