Data Scientist - AI Search & Ranking

As a Data Scientist in our AI Search team, you'll shape how millions of travelers discover and compare hotels on our platform. Our team powers hotel search across 35+ languages and 55 countries, processing millions of queries daily.

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
• Master’s or PhD in Computer Science, Machine Learning, Information Retrieval, Natural Language Processing, Recommender Systems, or a closely related field.

Benefits

• Generous Paid Time Off
• Flexible working hours
• Up to 2 work from home days weekly
• Remote work option
• Free language classes
• Relocation package
• Visa support
• Interest-free newcomer loan
• Free access to the Heycare platform
• On-campus kids room
• Canteen budget
• Complimentary snacks and drinks
• On-site gym
• Sports classes
• Urban Sports Club membership
• Ergonomic desks and focused work areas