Principal Data Scientist (m/f/d)

As Principal Data Scientist, you will define and drive AutoScout24’s data science and AI strategy, with emphasis on AI, machine learning, and Generative AI. You will partner with product, engineering, and business leaders to translate data into scalable products that deliver measurable business impact. You will lead senior data scientists and serve as a technical role model across the company. This role offers the chance to shape AI initiatives at scale, leveraging AWS and modern ML platforms to transform the marketplace and fintech domains.

• Define and own the data science and AI strategy across the organization
• Lead development and scaling of predictive and generative AI models for marketplace and fintech use cases
• Partner with product and business leaders to align ML initiatives with company goals
• Design scalable ML systems and cloud-based workflows for training and deployment, with a strong focus on AWS
• Build and operate production-ready ML solutions using AWS services (e.g. SageMaker, S3, Lambda, EMR)
• Ensure model quality, monitoring, governance, and compliance in production
• Mentor and develop data scientists and act as a senior technical advisor

• 10+ years of experience in data science, machine learning, or applied AI
• Strong hands-on skills in Python, SQL, and common ML frameworks
• Proven experience with GenAI and LLMs in real products
• Strong experience with AWS and its ML/data ecosystem (e.g. SageMaker, S3, EKS, Lambda, IAM)
• Solid background in cloud platforms, MLOps, and model deployment
• Ability to translate complex topics into clear business decisions
• Experience leading senior teams and shaping technical strategy

• leadership and mentorship
• clear communication of complex topics
• strategic thinking
• Python
• SQL
• ML frameworks