Senior Data Scientist

5 days ago


Copenhagen, Copenhagen, Denmark Kayak Full time

KAYAK, part of Booking Holdings (NASDAQ: BKNG), is the world's leading travel search engine. With billions of queries across our platforms, we help people find their perfect flight, stay, rental car and vacation package. We're also transforming business travel with a new corporate travel solution, KAYAK for Business.

As an employee of KAYAK, you will be part of a travel company that operates a portfolio of global metasearch brands including momondo, Cheapflights and HotelsCombined, among others. From start-up to industry leader, innovation is in our DNA and every employee has an opportunity to make their mark. 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. This role works closely with marketing leaders to make better data-informed strategic marketing decisions.

As a Senior Data Scientist on this team, you will:

  • Manage end-to-end experimentation from formulating hypotheses, experiment design to collecting right data, doing power analysis to finally 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 the 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 from the front in setting up best practices.

Please apply if you have:

  • 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 in the language of business partners, mostly within Marketing.
  • 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, needing minimal guidance and demonstrating good judgment.
  • Keen sense of success criteria and demonstrates success through end-to-end QA, independently adhering to strong testing and validation principles.
  • Passionate about large data sets in marketing, finance, and economics. Skilled in paid marketing data, time-series analysis, econometrics, and regression models.

Benefits:

  • Work from (almost) anywhere for up to 20 days per year.
  • Focus on mental health and well-being:
    • Company-paid therapy sessions through SpringHealth.
    • Company-paid subscription to HeadSpace.
    • Company-wide week off a year - the whole team fully recharges (and returns without a pile-up of work).
    • No meeting Fridays.
  • Paid parental leave.
  • Generous paid vacation + time off for your birthday.
  • Paid volunteer time.
  • Focus on your career growth:
    • Development Dollars.
    • Leadership development.
    • Access to thousands of on-demand e-learnings.
  • Travel Discounts.
  • Employee Resource Groups.
  • 6 weeks paid vacation.
  • Pension plan contributions.
  • Private health & life insurance.
  • Lunch provided five days per week & breakfast once a week.
  • Professional espresso machine.
  • Awesome office in the city centre of Copenhagen.
  • Monthly social events, yoga, Thursday bars.

Diversity, Equity, and Inclusion

At OpenTable/KAYAK, we aspire to be a workplace that fosters inclusion and reflects the diverse communities we serve. Hiring people with different backgrounds and perspectives is critical to innovation and to how we deliver great experiences for our users, partners, and teams. We strive to be an open and welcoming environment so that no matter who you are, you can be yourself.

We ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform job responsibilities, and to receive other benefits and privileges of employment. Please contact us to request an accommodation(s).

#J-18808-Ljbffr

  • Copenhagen, Copenhagen, Denmark Amsterdam Data Collective Full time

    Amsterdam Data Collective is a leading data and AI consultancy, committed to responsible adoption of technology for real impact. We drive change in organizations across industries such as Healthcare & Life Sciences, Financial Services, Public & Society, and Agriculture.We are seeking a talented Data Scientist or Data Engineer to join our team. As a key...

  • Data Scientist

    17 hours ago


    Copenhagen, Copenhagen, Denmark 3 - Hi3G Denmark Aps Full time

    We are looking for an ambitious Data Scientist who is curious and driven by data science and mathematics. As our new Data Scientist, one of your main responsibilities will be to develop data models and analyze big data and deploy it on our Spatial Analytics platform and for bespoke customer deliverables. We are seeking an ambitious and curious Data Scientist...


  • 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...


  • Copenhagen, Copenhagen, Denmark Lundbeck AS, H Full time

    Your experience with data science might be just what we're looking for. You can be part of transformational initiatives that will impact the field of patient safety. Your enthusiasm for providing data-based insights will help us progress our understanding of the safety of our products for the benefit of patients. Your skillset and contributions will enable...


  • Copenhagen, Copenhagen, Denmark Amsterdam Data Collective Full time

    Ambitious individuals who want to shape the future with us should apply now. Amsterdam Data Collective is looking for a skilled Data Scientist or Data Engineer to join our dynamic team.We strive to create a better future by valuing diversity and promoting equality. No characteristics are discriminated against, as indicated in Directive 2000/78/EC. We...


  • Copenhagen, Copenhagen, Denmark H. Lundbeck AS Full time

    Your experience with data science might be just what we're looking for. You can be part of transformational initiatives that will impact the field of patient safety. Your enthusiasm for providing data-based insights will help us progress our understanding of the safety of our products for the benefit of patients. Your skillset and contributions will...

  • Data Scientist

    1 week ago


    Copenhagen, Copenhagen, Denmark Twoday AS Full time

    Vi er twoday, en international virksomhed med mere end 2.700 mennesker, der ønsker at gøre en forskel. Hver dag udvikler vi virkelig nyttige løsninger, der gør folks dagligdag lidt lettere. Apply here twoday er den førende digitale transformationspartner i Nordeuropa med en global tilstedeværelse. Med cirka 3.000 teknologer samarbejder vi med de mest...


  • Copenhagen, Copenhagen, Denmark DAMVAD Analytics Full time

    At DAMVAD Analytics, we are a Data & AI Consultancy driving the responsible adoption of data and AI to create real impact for organisations that matter. We support our clients achieve their goals through data-driven solutions with deep industry expertise.We are currently operating in 3 countries, aiming to grow across Europe. This role requires you to be...


  • Copenhagen, Copenhagen, Denmark Københavns Universitet (KU) Full time

    We are seeking a senior scientist to join our team at the Department of Biology, Københavns Universitet (KU). As a senior scientist, you will lead research projects focused on volatile interactions between marine microorganisms.About the PositionThe position is available immediately and will be filled according to academic criteria. The successful candidate...


  • Copenhagen, Copenhagen, Denmark Nordea Bank Norge ASA Full time

    About NordeaNordea Bank Norge ASA is a leading financial institution in Scandinavia, committed to shaping the future of banking through innovative technologies.Our Applied Data Science team is at the forefront of this mission, leveraging AI and Generative AI to drive business growth and customer satisfaction.We are seeking an Expert Data Scientist to join...


  • Copenhagen, Copenhagen, Denmark Boston Consulting Group Full time

    Who We AreBoston Consulting Group partners with leaders in business and society to tackle their most important challenges and capture their greatest opportunities. BCG was the pioneer in business strategy when it was founded in 1963. Today, we help clients with total transformation-inspiring complex change, enabling organizations to grow, building...


  • Copenhagen, Copenhagen, Denmark Blackswansexist Full time

    Job Description: Senior Upstream Scientist – MSAT Position Summary We are seeking a skilled Senior Upstream Scientist to join our Process Science / Manufacturing Science and Technology (MSAT) team. In this critical role, you will act as a subject matter expert in cell culture processes, ensuring the successful introduction, transfer, and implementation...


  • Copenhagen, Copenhagen, Denmark DAMVAD Analytics Full time

    Data Innovation ExpertWe are seeking a highly skilled Cloud Native Data Scientist to join our team at ADC Consulting. As a Cloud Native Data Scientist, you will be responsible for designing and implementing innovative data-driven solutions that drive business value for our clients.This is an exciting opportunity to work with cutting-edge technologies,...

  • Senior QC Scientist

    1 week ago


    Copenhagen, Copenhagen, Denmark H. Lundbeck AS Full time

    Senior Quality Control Scientist, QC CMC Biologics Do you want to join our international CMC Biologics Quality Control team? And are you eager to work in an international setting where empowerment and cross functional collaboration skills are key? Then you might be our new Senior Quality Control Scientist Your new role – why is this a great opportunity? ...

  • Data Scientist

    17 hours ago


    Copenhagen, Copenhagen, Denmark Trustpilot AS Full time

    We're a leading online reviews platform, free and open to all. Our mission is to be a universal symbol of trust. We are well on our way — but there's still an exciting journey ahead of us. Do you want to join us at the heart of trust? From reviews to user behaviors to internal systems, at Trustpilot, we truly have big data. Every month, more than half a...


  • Copenhagen, Copenhagen, Denmark 3 - Hi3G Denmark Aps Full time

    Job Description:We are seeking an ambitious and curious data expert who is passionate about data science, mathematics, and statistics. As our new data scientist, one of your main responsibilities will be to develop data models and analyze large datasets for our Spatial Analytics platform and bespoke customer deliverables.The Key Responsibilities:Develop data...


  • Copenhagen, Copenhagen, Denmark LEO Pharma Full time

    Select how often (in days) to receive an alert: Senior Scientist Drug Product Analysis and Stability Field of work: Research Posting Date: 27 Jan 2025 Would you like to engage in complex projects that challenge your skills and expand your expertise in analytical chemistry and pharmaceutical science, and be part of a professional environment that values...


  • Copenhagen, Copenhagen, Denmark FUJIFILM Diosynth Biotechnologies Full time

    In this role as Senior AI Chatbot Engineer, you will play a crucial part in driving innovation and growth at FUJIFILM Diosynth Biotechnologies. With your expertise in AI and machine learning, you will contribute to the development of intelligent solutions that transform our products, services, and operations.About the RoleAs a Senior AI Engineer, you will be...

  • Senior Scientist

    2 days ago


    Copenhagen, Copenhagen, Denmark AGC Inc Full time

    At AGC Inc, we are seeking a Senior Scientist to join our QA Mammalian team. The ideal candidate will have a Master's degree in a relevant Science field and a minimum of 3-5 years of GMP experience.Key Responsibilities:Ensure resolution of significant quality issues with the client through coordination and collaboration of internal functional...


  • Copenhagen, Copenhagen, Denmark Schibsted Danmark Full time

    We are seeking an experienced Data Architect to lead the design, development, and optimization of ETL/ELT processes to support Sales' data needs. As a key member of our data engineering team, you will take ownership of the Sales Insights' data architecture, ensuring scalability, reliability, and performance.You will work closely with cross-functional teams...