Senior Data Scientist (Marketing)

TL;DR

Senior Data Scientist (Marketing): Developing and productionizing advanced machine learning and statistical models that improve marketing performance and drive measurable company growth, with an accent on channel allocation, ad bidding, churn prediction, and revenue attribution. Focus on leading end-to-end model development from hypothesis to deployment, running experiments, and advancing MLOps practices.

Location: Hybrid in Munich, Germany, with two office days per week. Up to 8 weeks a year can be spent working from other inspiring locations.

Company

hirify.global is a fast-growing vacation rental technology company helping hosts generate more bookings and guests find enjoyable holiday homes.

What you will do

• Partner 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, and revenue attribution.
• Work end-to-end, from translating business questions into hypotheses to researching, building, validating, and deploying models.
• Design A/B tests, monitor model performance, and continuously improve based on measured impact.
• Advance 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.

Requirements

• 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).
• Experience working with modern data stacks, ideally including AWS (Redshift, Athena, S3), Airflow, dbt, and Git.

Culture & Benefits

• Shape the future of travel with products used by millions of guests and thousands of hosts, where ideas become products and data drives decisions.
• Grow professionally in a culture that thrives on curiosity and feedback, with mentorship, personal learning budgets, and a strong focus on AI.
• Join a team of smart, motivated, and international colleagues who challenge and support each other.
• Work in a modern tech environment combining the pace of a scale-up with the stability of a proven business model.
• Enjoy a hybrid setup with 50% in-office time for collaboration, and spend up to 8 weeks a year from other inspiring locations.
• Receive travel benefits, gym discounts, and other perks.

Hiring process

• Apply online on hirify.global's careers page.
• Your first contact will be Katharina from HR.