Data Scientist Leader

5 days ago


Copenhagen, Copenhagen, Denmark Kayak Full time

KAYAK, a leading travel search engine, is part of Booking Holdings (NASDAQ: BKNG). We process billions of queries across our platforms, helping people find their perfect flight, stay, rental car, and vacation package. Our focus is on building the best travel search engine to make it easier for everyone to experience the world.

The Marketing Measurement team's mission is to improve KAYAK's ability to measure the efficiency of marketing efforts. As a Senior Data Scientist on this team, you will:

  • Manage end-to-end experimentation from formulating hypotheses to collecting data, implementing, and analyzing experiment results.
  • Support initiatives towards building a robust framework for efficiently creating and evaluating creative, bidding, and landing page experiments.
  • Develop new models and advanced analytics techniques to measure and optimize marketing spend in a robust manner.
  • Support the development of less senior scientists and collaborate with team members to ensure timely delivery of high-quality work.
  • Build standardized and scalable solutions and lead best practices.

We're looking for candidates with:

  • Advanced degree (Masters, PhD) in Data Science, Statistics or a related field.
  • Extensive experience with data manipulation and extraction using relational databases (SQL).
  • Ability to write high-quality, scalable, maintainable code (Python, R).
  • Strong story-telling and presentation skills to communicate with business partners.
  • Strong foundation in experimentation methods and causal inference techniques.
  • Experience in marketing science measurement methodologies like Causal impact, geo-lift on Google, and Marketing mix models.
  • Proactive work style, good judgment, and keen sense of success criteria.
  • Passionate about large data sets in marketing, finance, and economics.

We offer:

  • Flexible work arrangement.
  • Focus on mental health and well-being.
  • Paid parental leave.
  • Generous paid vacation time.
  • Development opportunities.
  • Competitive benefits package.


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