Senior Data Scientist, Growth Alliance (m/f/d)

HelloFresh operates HelloTech, a global technology backbone with over 1000 people, building digital products that power their end-to-end food experience including meal kits, ready-to-eat meals, pet food, and premium meat & seafood. The company uses a subscription-based, direct-to-consumer model relying heavily on technology for customer-facing apps, personalization, pricing, forecasting, supply chain optimization, and food waste reduction. The Conversions Tech area, part of the Growth Alliance, focuses on driving growth through marketing technology and product innovation to optimize (re)acquisition and conversion funnels.

• 5+ years of professional experience in data science or related quantitative fields.
• Strong foundation in machine learning concepts relevant to personalization and marketing communications.
• Hands-on experience with regression, classification, clustering, recommendation systems, and experimentation.
• Practical experience designing and analyzing A/B tests and controlled experiments.
• Experience with customer behavior data and segmentation.
• Extensive experience working in production environments and collaborating closely with engineers.
• Clear, structured communication skills and a collaborative mindset.

• Build and iterate machine learning models powering personalization in production for conversion pages.
• Execute decisioning models determining optimal next steps for users in conversion funnels.
• Coordinate with Engineering to integrate data science solutions into overall funnel architecture.
• Collaborate with Product and Engineering to embed ML-driven decisions and handle failures.
• Design and direct experiments for decisioning models, defining success metrics and interpreting results.
• Monitor and maintain model safety and performance in production, addressing data reliability and latency issues.