Lead Data Scientist

Expedia Group

Geneva, Switzerland

Ref: R-33817

As a Lead Data Scientist with Expedia, you will contribute to the critical aim of helping the organization understand, shape and optimize its hotel and vacation rental portfolio across the world. You will apply advanced analytic techniques such as machine learning, data mining and statistical modeling to design and implement complex models and algorithms to drive key business initiatives. You are able to handle both planned and ad-hoc work, own important data products, prioritize workload effectively, and thrive in a dynamic environment. You are self-motivated, a fast learner and work well under pressure to meet tight deadlines. Communicating your findings and implications to your teammates and to business partners clearly and concisely is key. You are technically strong and possess excellent business acumen and communication skills.


  • Understand business challenges and transform them into advanced analytics / machine learning / data mining problems; use your analytics toolbox to effectively solve them
  • Build, assess, and iteratively improve predictive models using best-in-class machine learning methods and best practices
  • Gather and manipulate large volumes of data; create new and improved techniques and/or solutions for data collection, management, and usage
  • Communicate results in a comprehensible manner to all levels of the company (field teams up to Snr. Management)
  • Take ownership for important data products, understanding the business partners, prioritizing work, assessing their effectiveness and performance
  • Develop a deep understanding of the sales organization, their daily challenges, and what data can help them optimize their time
  • Understand the industry, the market, supply and demand economics, and the company’s value proposition for both travelers and suppliers
  • Illustrate key business trends through effective data interpretation and visualization
  • Establish and maintain accurate and robust senior management reporting
  • Fulfill ad-hoc requests for data and analysis



  • Master’s degree (PhD preferred) in Mathematics, Statistics, Computer Science, Operational Research or similar
  • Several years of experience in a data science / machine learning / predictive modeling role, preferably in an e-commerce or a technology company
  • Track record of data science publications (peer-reviewed papers, conference presentations, white papers, etc.) preferred
  • Experience managing projects with business partners based in multiple countries and time-zones preferred

Technical Knowledge

  • Hands-on analytics experience, with validated ability to extract and combine data from multiple sources (SQL databases, Teradata, Hadoop, AWS etc.), converting raw data into actionable insights and / or reports
  • Expertise with a statistical modelling tool such as R or Python (pandas)
  • Track record of contributions to open-source projects related to data science preferred
  • Applied experience in, and excellent understanding of, building machine learning / AI models in production environments to support essential business processes
  • Proficiency with C++, Scala, Rust, or other high-level programming language
  • Familiarity with software engineering methodologies, including version control, release management, unit testing etc.
  • Knowledge of data visualization tools (Tableau, Power BI etc.) preferred

Business sense and Communication

  • Top-class business acumen, analytical rigor, problem-solving mind-set, and attention to detail
  • High level of intellectual curiosity and focus on generating action-oriented business insights
  • Validated ability to handle the needs of a data product’s partners, and to effectively communicate with them
  • Proven track record of working with cross-functional teams
  • Excellent understanding of how to effectively visualize highly complex data
  • Strong written and oral communication skills

Why join us

Expedia Group recognizes our success is dependent on the success of our people. We are the world's travel platform, made up of the most knowledgeable, passionate, and creative people in our business. Our brands recognize the power of travel to break down barriers and make people's lives better – that responsibility inspires us to be the place where exceptional people want to do their best work, and to provide them to tools to do so.

Whether you're applying to work in engineering or customer support, marketing or lodging supply, at Expedia Group we act as one team, working towards a common goal; to bring the world within reach. We relentlessly strive for better, but not at the cost of the customer. We act with humility and optimism, respecting ideas big and small. We value diversity and voices of all volumes. We are a global organization but keep our feet on the ground, so we can act fast and stay simple. Our teams also have the chance to give back on a local level and make a difference through our corporate social responsibility program, Expedia Cares.

If you have a hunger to make a difference with one of the most loved consumer brands in the world and to work in the dynamic travel industry, this is the job for you.

Our family of travel brands includes: Brand Expedia®, Hotels.com®, Expedia® Partner Solutions, Egencia®, trivago®, HomeAway®, Orbitz®, Travelocity®, Wotif®, lastminute.com.au®, ebookers®, CheapTickets®, Hotwire®, Classic Vacations®, Expedia® Media Solutions, CarRentals.com™, Expedia Local Expert®, Expedia® CruiseShipCenters®, SilverRail Technologies, Inc., ALICE and Traveldoo®.

Expedia is committed to creating an inclusive work environment with a diverse workforce. All qualified applicants will receive consideration for employment without regard to race, religion, gender, sexual orientation, national origin, disability or age.

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