(Senior) Data Scientist – AI Booster Team (f|m|d)
idealo internet GmbHBerlin, Germany
Posted June 21, 2025
Full Time
About the Company
idealo internet GmbH is a leading product and price comparison platform in Europe, offering a diverse range of services including metasearch, PPC marketing, SEO, and e-commerce solutions. Founded in 2000 with a focus on convenience and transparency, idealo connects millions of users daily to the best online buying decisions across thousands of shops. The company is known for its innovative approach to hybrid working, allowing employees flexibility in their work arrangements. With a commitment to diversity and inclusion, idealo fosters an environment where individual ideas drive business growth.
Job Description
We are looking for a Data Scientist to join our AI Booster Team, where you will translate ideas into evidence by designing experiments, measuring LLM quality, and unlocking the full value of idealo's data assets to guide today's and tomorrow's GenAI initiatives.
Requirements
- 3+ years in data science/analytics, including A/B testing or causal inference at scale
- Expert SQL and Python (pandas, StatsModels/SciPy, scikit-learn)
- Hands-on with LLM assessment - prompt/temperature sweeps, embedding similarity metrics, human-in-the-loop studies, and LLM-as-a-judge tools
- Familiar with Generative AI stacks (Hugging Face, LangChain/LlamaIndex, vector DBs like Pinecone/Qdrant)
- Proficiency in AWS analytics & MLOps: SageMaker Experiments/Pipelines, Bedrock, Athena, Lambda, Step Functions
Benefits
- Generous Paid Time Off
- 401k Matching
- Retirement Plan
- Free counseling and support in all areas of life
- Free fitness and sports options
- Job bike or Deutschlandticket
- Free organic breakfast, excellent free lunch, free coffee, lemonades and after-work beer
- Rooftop terrace with view of the whole of Berlin