Data Engineer

Engineering Copenhagen, Denmark


Position at momondo


We are looking for a Data Engineer to join momondo & KAYAK’s Business Analytics team in our Copenhagen office. This person should love working on data parsing, analyzing, investigating, interpreting, modeling, and extracting knowledge from large volumes of data. Good candidates would have a passion for processing data to help drive better business decisions in a fast-paced environment. The role will be based in Copenhagen and report to the Analytics Manager in KAYAK Zürich.


  • Build ETL pipelines in Python to extract data from various data sources including external APIs, parse, clean, and load into optimized database tables
  • Design high-performance database schemas and optimize SQL queries
  • Create dashboards and visualizations of data sets, identify trends, anomalies
  • Investigate data problems and identify patterns
  • Draw inferences and conclusions, communicate results through reports, charts, or tables
  • Work closely with business stakeholders for reporting, data analysis, and ad-hoc data investigations

 Required Skills

  • University degree in Computer Science
  • Masters or PhD degree is a plus
  • SQL and database design experience is a must
  • Experience with Vertica, Redshift, or Hive/Hadoop is a plus
  • Python programming experience required
  • Experience building ETL pipelines is a strong plus
  • Good knowledge of data structures, algorithms, and statistics
  • Knowledge of Unix shell scripting
  • Fluent in English (both spoken and written), additional languages are a plus
  • 5+ years relevant experience

Soft Skills

Team player who likes to engage with colleagues at a professional and personal level. Someone who can handle a high volume of requests with frequent interruptions and prioritize their own work while taking infrastructure and business needs into account. Must have excellent technical communication skills.


Our mission at KAYAK is to provide the world’s favorite travel planning tools. With every query, KAYAK searches other sites to show travelers the information they need to find the right flights, hotels, rental cars and vacation packages.

And because our team is always on the lookout looking for ways to make travel planning and trip management even easier, we offer a variety of tools and features such as KAYAK Trips, Explore and Price Forecast and are constantly evolving our app, Facebook Messenger and Slack bots, Alexa skill and related A.I. innovations.

In addition to KAYAK, we manage a portfolio of metasearch brands including: momondo, Cheapflights, SWOODOO, checkfelix and Mundi that together process more than two billion consumer queries a year.  

KAYAK is an independently managed subsidiary of The Priceline Group.