Data Scientist - AI Search & Ranking

Join trivago as a Data Scientist in the AI Search team to shape how millions of travelers discover and compare hotels on the platform. Work at the intersection of search ranking, natural language processing, and AI to enhance query understanding, relevance, and personalization.

Requirements

• 5+ years of experience in search, information retrieval, NLP, machine learning, or deep learning with demonstrated product impact
• Deep expertise in semantic search technologies including query understanding, embedding-based retrieval with vector databases, and Learning-to-Rank methodologies
• Proficiency with LLMs and transformer architectures (BERT, T5, GPT) including fine-tuning, prompt engineering, and application to search use cases
• Strong Python and SQL skills with hands-on experience using ML frameworks such as PyTorch, TensorFlow, or HuggingFace
• Solid foundation in statistics with proven ability to design, execute, and analyze large-scale A/B tests and apply causal inference methods
• Excellent communication and collaboration skills with the ability to explain complex ideas to non-technical stakeholders and mentor junior team members

Benefits

• Self-determined vacation (with a minimum of 25 vacation days)
• Flexible working hours
• Up to 2 work from home days weekly
• Free access to the Heycare platform for personalized nanny assistance
• On-campus kids room
• Complimentary snacks and drinks in our kitchens
• On-site gym, sports classes, and Urban Sports Club membership
• Ergonomic desks and focused work areas