Staff / Principal Data Scientist

Salary up to €140,000

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 optimisation

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 €140,000 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.