Senior Data Scientist, MarTech Alliance (f/m/x)

The Role

As a Senior Data Scientist on the AI Decisioning team in the Communications Tribe, you will be at the heart of optimizing the intelligence that transforms HelloFresh\’s customer engagement strategy. You will focus on complex feature engineering and optimization, developing critical data features and applying advanced analytical techniques to maximize the performance of our AI decisioning platform. Your work provides rich, predictive data and continuous optimization that enables this automated engine to deliver the right message to the right customer at the right time, on the right channel. This role offers a unique opportunity to drive impactful business outcomes through enhanced personalization and predictive analytics, while exploring how Generative AI can automate and scale content in collaboration with marketing stakeholders, directly influencing customer engagement globally.

What You\’ll Do

You will be a key contributor to our decisioning intelligence, taking ownership of analytical initiatives and collaborating across the business to drive impact.

Modeling & Optimization

• Lead Predictive Analysis: Develop and apply machine learning models to solve complex business problems, including churn prediction and large-scale personalization.
• Develop & Validate Data Features: Create, prepare, and validate critical data features for our models, ensuring robustness and predictive power.
• Champion Model Performance: Improve model quality and reliability through validation, monitoring, and A/B testing best practices.

Strategic Collaboration & Impact

• Enable Data-Driven Decisions: Work with Product and Marketing teams to translate findings into actionable insights that inform strategy.
• Act as a Strategic Analytics Partner: Collaborate with stakeholders to define business problems, develop analytical solutions, and explore Generative AI for content optimization.
• Guide and Mentor: Mentor other data scientists, promote best practices, and share insights to enhance team capabilities.

What You\’ll Bring

We value diverse experiences and encourage applications even if you don\’t meet every qualification.

Core Skillset:

• Data Science Background: Strong foundation in data science or related quantitative field, with success applying machine learning to solve business problems.
• Core Tech Stack Experience: Proficiency in Python (with pandas, scikit-learn) and SQL, with hands-on experience in machine learning methods (regression, classification) and experimentation (A/B testing).
• Ownership & Initiative: Proactive, accountable, and passionate about driving outcomes, with a knack for anticipating issues.

Nice to Haves:

• Domain & Tool Experience: Experience in MarTech or CRM domains is a plus.
• Platform Proficiency: Familiarity with data platforms like Databricks, PySpark, and cloud platforms (AWS, GCP, Azure).
• Generative AI Knowledge: Interest or experience with Generative AI models (e.g., LLMs) for content automation and prompt engineering.

What we offer

Join one of Europe\’s fastest-growing tech companies and enjoy:

• A diverse community of 90+ nationalities.
• Competitive compensation, pension scheme, relocation support, and hybrid work.
• Exclusive discounts on HelloFresh products and meals.
• Growth opportunities with language learning budgets and HelloFresh Academy.
• Well-being benefits including mental health support, gym access, wellbeing platforms, and parental benefits.

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