Data Scientist

The role

A mid-level Data Scientist will build recommendation systems to improve how travelers discover and choose travel options. You will translate business questions into modeling problems and partner with cross-functional teams to bring solutions into production.

What you will do

• Translate product and business challenges into well-defined modeling problems, hypotheses, and measurable objectives.
• Ship production-ready, scalable Machine Learning solutions.
• Design and evaluate experiments, building rapid prototypes and assessing results.
• Collaborate across Data Science, Product, and Engineering.
• Communicate findings, recommendations, and trade-offs to technical and non-technical audiences.

Required qualifications

• Strong technical foundations in statistics, machine learning, and programming.
• Track record of solving complex, real-world data science problems.
• Hands-on experience developing ML models in business or production environments.
• Ability to explain problems addressed, specific contributions, and resulting impact.
• Ownership, sound judgment, and analytical thinking.
• Ability to navigate technical trade-offs and work independently.
• Fluency with AI-assisted workflows.

Nice to have

• Hands-on experience with PyTorch, Polars, CometML, Arize, Docker, Airflow, Trino and Git/Github.
• Familiarity with Agile ways of working, such as sprint planning and team ceremonies.

Benefits

• Work from (almost) anywhere for up to 20 days per year
• Company-paid therapy sessions through SpringHealth
• Company-paid subscription to HeadSpace
• Company-wide week off a year
• No meeting Fridays
• Paid parental leave
• Paid volunteer time
• Development Dollars
• Leadership development
• Access to thousands of on-demand e-learnings
• Travel Discounts
• Employee Resource Groups

About the company

KAYAK is a travel search engine and part of Booking Holdings. It operates a portfolio of global metasearch brands including momondo, Cheapflights and HotelsCombined.