Staff / Principal Data Scientist

Salary up to €130,000
Location: Braunschweig

One of the largest clothing retailers in Europe is hiring a Staff / Principal Data Scientist to join their growing team. With 1,000+ stores across Europe and Asia and over €4 billion in annual revenue, this brand is combining fashion with cutting-edge data science — and they’re looking for someone to lead the way.
The Position:

• Drive high-impact machine learning use cases across assortment planning, demand forecasting, and markdown optimization
• Own complex, business-critical data science projects end-to-end ,from stakeholder discovery to deployment
• Build and deploy predictive models using Python, Spark, and modern ML frameworks (e.g., PyTorch, scikit-learn)
• Collaborate with data engineering and business teams to develop scalable , production-ready solutions
• Act as a role model and hands-on contributor, mentoring junior data scientists and reviewing code
• Present insights to senior stakeholders and influence strategic decision-making
• Help shape the long-term ML and AI strategy across the retail business

Experience:

• 7+ years of data science or ML experience, ideally in retail, fashion, or e-commerce
• Advanced knowledge of Python , SQL , and big data tech like Spark
• Experience with frameworks like scikit-learn, PyTorch, SparkML
• Strong communicator, confident presenting to large groups (50–100 stakeholders)
• Proven experience leading projects and collaborating with cross-functional teams
• Fluent in German (C1+) and English
• STEM degree (Master’s or PhD preferred)

Benefits & Details:

• Up to €130,000 salary
• Office-based role in modern Braunschweig HQ (relocation support available)
• 30 days of holiday
• Generous employee discount on products
• Structured progression plan and L&D budget
• Annual capital-forming contributions (e.g., pension, savings)
• 2-stage interview process

For more information, apply or contact Norman Cistovas .
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