Senior Data Scientist - Marketing (all genders)

Munich, Germany

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Holidu is one of the world’s fastest-growing vacation rental technology companies. Our mission is to make booking and hosting holiday homes free of doubt and full of joy, by helping hosts generate more bookings with less work and helping guests find a holiday home they truly enjoy. Our team of 700 colleagues from 60+ nations shares a passion for tech, an ambition for constant improvement, and a relentless drive to bring the best experience to more than 40k vacation rental hosts and 4 million annual guests.

Your future team

Join our Business Intelligence Department, a multidisciplinary group of Data Scientists, Analysts, and Data Engineers. Together, we build machine learning and analytics products that directly influence GMV, conversion, and retention.

Within the department, we’re building a new Marketing Analytics team and are looking for a Senior Data Scientist to drive its data science initiatives. In this role, you’ll work closely with Analysts, Engineers, and Marketing stakeholders to develop and productionize advanced machine learning, statistical, and predictive models that improve marketing performance and drive measurable company growth.

This role is based in Munich, with two office days per week.

Your role in this journey

As a Senior Data Scientist – Marketing, you’ll take strong ownership of data science initiatives that directly shape our marketing strategy and growth. You will:

Partner closely with Marketing, Marketing Analytics, and Marketing Technology to identify opportunities and translate business questions into scalable data science solutions.
Lead the development of high-impact machine learning and statistical models for marketing use cases such as channel allocation, ad bidding, churn prediction, lifetime value, revenue attribution, and business metrics forecasting.
Work end-to-end - from translating business questions into hypotheses to researching, building, validating, and deploying models.
Run experiments and iterate in production: design A/B tests, monitor model performance, and continuously improve based on measured impact.
Advance our MLOps practices with CI/CD pipelines, retraining workflows, lineage tracking, and documentation.
Help define the team's roadmap and ways of working as a founding member of Marketing Analytics - your input will help shape this function.
Act as a senior role model in the team, sharing best practices and helping raise the bar for data science at Holidu.

Your backpack is filled with

5+ years of experience as a Data Scientist, with clear ownership of projects that delivered measurable business impact.
A degree in Machine Learning, Computer Science, Mathematics, Physics, or a related field.
Strong expertise in machine learning, statistics, and predictive analytics, with hands-on experience using Python and SQL.
Experience with marketing data science use cases such as attribution modeling, customer lifetime value prediction, churn modeling, or bid optimization.
Solid understanding of marketing concepts across channels (e.g. Performance Marketing, SEO, CRM, Affiliate) and how data science can improve them.
Experience working with modern data stacks, ideally including AWS (Redshift, Athena, S3), Airflow, dbt, and Git.
A collaborative mindset paired with great communication skills: you enjoy working with diverse stakeholders and explaining complex topics in a simple way.
AI Proficiency: You are comfortable using AI to enhance coding, planning, and monitoring. This includes successfully integrating AI tools (such as Claude code, Codex, Copilot, etc.) into your workflow and teaching others to use them efficiently.

Our adventure includes

Impact: Shape the future of travel with products used by millions of guests and thousands of hosts. At Holidu ideas become products, data drives decisions, and iteration fuels fast learning. Your work matters—and you’ll see the impact.
Learning: Grow professionally in a culture that thrives on curiosity and feedback. You’ll learn from outstanding colleagues, collaborate across disciplines, and benefit from mentorship, and personal learning budgets—with a strong focus on AI.
Great People: Join a team of smart, motivated and international colleagues who challenge and support each other. We celebrate wins and keep our culture fun, ambitious and human. Our customers are guests and hosts—people we can all relate to—making work meaningful and energizing.
Technology: Work in a modern tech environment. You’ll experience the pace of a scale-up combined with the stability of a proven business model, enabling you to build, test, and improve continuously.
Flexibility: Work a hybrid setup with 50% in-office time for collaboration, and spend up to 8 weeks a year from other inspiring locations. You’ll stay connected through regular events and meet-ups across our almost 30 offices.
Perks on Top: Of course, we also offer travel benefits, gym discounts, and other perks to keep you energized—but what truly sets us apart is the chance to grow in a dynamic industry, alongside amazing people, while having fun along the way.

Need a sneak peek?
Check out the adventure that awaits you on Instagram @lifeatholidu and dive straight into the world of Tech at Holidu for more insight!

Want to travel with us?

Apply online on our careers page! Your first travel contact will be Katharina from HR.

We are committed to diversity in all aspects of our business. We encourage applications from all genders, all corners of the world and all individual backgrounds. You are welcome to submit your application without a photo and without stating your gender, date of birth, marital status, nationality or disability status (if applicable). If you require any special assistance when arranging interviews, office visits or the recruitment process in general, please contact the relevant HR person responsible for this job and we will do our best to accommodate your needs.