Principal Applied Scientist

• Bring in your strong economics, experimentations, and scientific experience to develop and deploy advanced experimentation methods at scale
• Support high stakes experiments and problem solving focused on customer/business impact and ensure decisions are made from robust insights
• Set and own the processes to improve the quality of experimentation across Zalando experimentation domains
• Design and implement state-of-the-art work needed for accurately measuring the business impact of AI-driven customer-facing products across various markets, customer segments, and fashion assortment
• Work closely with applied science leaders, product managers and other business stakeholders to leverage state-of-the-art experimentations and data driven economics / experimentation approaches for the challenging domain of Size&Fit in online fashion
• Mentor senior and junior applied scientists on best experimentation practices

• PhD in Econometrics, Statistics, Mathematics, Physics, Operations Research or related field with at least 4 years of industry experience in Applied Experimentation or Statistics
• Strong fundamentals of Statistical Analysis
• Deep understanding of the theory behind the state-of-the-art methods in your domain as well as a broad overview of data science best practices in your field
• Proven industry experience in designing, executing, and analyzing A/B tests, including expertise in defining relevant metrics and a deep understanding of statistical power calculations
• Experience in driving business / customer impact analysis and decision making in AI-driven customer-facing products
• Data intuition: extensive experience of working with large online datasets, ability to identify appropriate statistical modeling assumptions and approaches
• Strong coding skills in Python and/or R as well as experience with common big data processing and manipulation tools such as Spark and SQL

experience with Cloud Computing frameworks (e.g., AWS), other programming languages such as Scala

• Employee shares program
• 40% off fashion and beauty products sold and shipped by Zalando, 30% off Lounge by Zalando, discounts from external partners
• 2 paid volunteering days a year
• Hybrid working model with up to 60% remote per week
• Work from abroad for up to 30 working days a year
• 25 days of vacation a year for full-time employees
• Health and wellbeing options (SportAbo in Zurich)
• Swiss SBB Halbtax (half-fare card)
• Mental health support and coaching available
• Drive your development through our training platform and biannual peer-to-peer review