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

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

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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 the critical data features and applying advanced analytical techniques to maximize the performance of our state‑of‑the‑art AI decisioning platform. Your work provides the rich, predictive data and continuous optimization that allows this automated engine to determine the right message, for the right customer, at the right time, on the right channel. This is a unique opportunity to drive impactful business outcomes through enhanced personalization and predictive analytics, while also exploring how Generative AI can automate and scale content in an iterative process with marketing stakeholders, directly influencing how we engage with millions of customers globally.

What You’ll Do

In this role, you will be a key contributor to our decisioning intelligence. You will take ownership of critical analytical initiatives while applying advanced analytics and collaborating across the business to drive impact.

Modeling & Optimization

• Lead the development and application of machine learning models to solve complex business problems, from churn prediction to large‑scale personalization.
• Develop, prepare, and validate the critical data features that fuel our models, ensuring they are robust and predictive.
• Drive improvements in model quality and reliability by implementing best practices in validation, monitoring, and A/B testing.

Strategic Collaboration & Impact

• Partner with Product and Marketing teams, translating complex findings into actionable insights that guide strategy.
• Proactively collaborate with stakeholders to frame business problems, translate needs into analytical solutions, and explore the use of Generative AI for content optimization.
• Mentor other data scientists, helping to establish analytical best practices, and share your perspective to guide our methodologies.

What You’ll Bring

We are looking for a candidate who can grow with our team. We value the diverse experiences and paths that lead people to Data Science and encourage you to apply even if you don't meet every single qualification.

Core Skillset

• Data Science background: Strong background in data science or related quantitative field, with demonstrated success in applying machine learning techniques to solve business problems.
• Core tech stack experience: Comfortable working with Python (including libraries such as pandas and scikit-learn) and SQL; hands‑on experience with core machine learning methodologies (e.g., regression, classification) and experimentation (e.g., A/B testing).
• A mindset of ownership & initiative: Proactive and accountable, demonstrating full ownership of your work from ideation to impact; passion for driving measurable outcomes.

Nice To Haves

• Domain & tool experience: Previous experience in the MarTech or CRM domains.
• Modern platform proficiency: Experience with data platforms like Databricks or the PySpark ecosystem, and general familiarity with cloud platforms (AWS, GCP, or Azure).
• Generative AI knowledge: Familiarity or strong interest in leveraging Generative AI models (e.g., LLMs) for content automation, including prompt engineering.

What We Offer

• Immerse yourself in a diverse global community of 90+ nationalities.
• Enjoy a competitive compensation package that goes beyond the norm, with perks like a HelloFresh‑subsidized pension scheme, Berlin relocation support, and a hybrid working model.
• Elevate your lifestyle with exclusive discounts on your weekly HelloFresh box and office meals.
• Invest in your growth with a German language learning budget, and access to the HelloFresh Academy.
• Well‑being support covering mental health, transportation perks, and working‑parent‑friendly benefits. 24/7 gym access, wellbeing platforms like Headspace and Spill, sabbatical leave options.

Application Process

Please submit your complete application below including your salary expectations and earliest starting date. After submitting, our team will review this and get back to you within 5 business days.

EEO Statement

At HelloFresh we embrace and welcome diversity and we currently employ over 7,000 individuals globally who contribute to this. We employ individuals based on their ability to perform a job rather than on the basis of their race, national origin, color, caste, social origin or position, gender, gender expression, sexual orientation, religion, age, disability, political opinion, marital status or any other characteristic. We encourage everyone to apply and will give everyone equal consideration. We are an equal opportunity employer – everyone is welcome at our table.

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