Data Scientist / Advanced Data Analyst

  • Fulltime
  • Rotterdam
  • Master

As a Data Scientist / Advanced Data Analyst you use the data of millions of visitors to help Coolblue act smarter.

Apply now
Data analyse

Data Scientist / Advanced Data Analyst

  • Fulltime
  • Rotterdam
  • Master

How do I become a Data Scientist / Advanced Data Analyst at Coolblue?

You're going to be working as a true Data Scientist. One who understands why you get the results that you do and apply this information to other experiments. Your job starts with a problem and ends with you monitoring your own solution. Want to become a Data Scientist at Coolblue? Funda will explain how to do that.

You enjoy doing this

  • Making cross validation strategies.
  • Improving the forecast on how much we sell per display banner advertising.
  • Querying Data from our systems and processing them in a way that allows you to view the situation with clarity
  • Experimenting with a LightGBM, in addition to using a Linear Regression model with penalty (regularized). 
  • Sparring with your team lead for a second opinion on your analysis
  • Improving  the precision of the display banner advertising forecast.

This calendar makes you happy

You recognize yourself in the following

  • You have at least 4 years of experience in a similar role.
  • You have a MSc or PHD in Mathematics, Computer Science, or Statistics.
  • You have experience with Machine Learning and/or Operations Research techniques, such as Gradient Boosting, Neural Networks, Integer Programming, Metaheuristics, and you have proven experience with successfully applying these (or similar) techniques in a business environment.
  • You have some experience with Data mining, SQL, BigQuery, NoSQL, R, and monitoring.
  • You're highly knowledgeable about Python.


This is what you’re looking for in a job

  • Money.
  • Travel allowance and a retirement plan.
  • Relocation assistance: from A to Z (we only hire people with an European passport).
  • 25 leave days. As long as you promise to come back.
  • A discount on all our products.
  • A picture-perfect office at a great location. You could crawl to work from Rotterdam Central Station. Though we recommend just walking for 2 minutes.
  • An extraordinarily good work environment, with freshly made snacks, monthly drinks, legendary Coolblue parties, awesome team activities, and an informal, playful department.
  • Working together in an international environment with colleagues from the Netherlands, Belgium, Spain, Brazil, Mexico, and Italy, among others. 
  • Room for new initiatives and ideas. We’re always open to those, whether you’ve been with us for a week, a month, or a year.
Like what you see? You can become a Coolbluer, apply now!
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    Go for it

  • 2


    It's for you

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    Open and shut

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    Go for the fridge

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    I do

Just contact Funda Ozcelik Karaagac
Funda Ozcelik Karaagac