Share this Job

Data Scientist

Apply now »

Date: Jan 4, 2022

Location: Rotterdam, LI, NL

Company: Nielsen


Econometrician / mathematician - Media Planning

Data Science - Netherlands Rotterdam, South Holland 

Passionate about data and modeling? Join our data science team!


What is the role?


You work in a data science team that is responsible for the heart of Nielsen's cross media planning products. You develop new methodologies using techniques from the fields of econometrics and machine learning, such as regression- and classification models, dimension reduction, time series models, nearest neighbour type of algorithms and methodologies from Operations Research to solve (convex) optimization and discrete optimization problems. This position has an emphasis on R&D.


You comprehend complex problems quickly, are creative in finding solutions and are a critical thinker. You are part of a team that consists of people with similar quantitative backgrounds, and experts from the concerning work field. 


Our data science team collaborates cross functionally with product, data engineering, DevOps and other data science teams to develop joint solutions.


Being part of Nielsen, you will be able to work with media data collected through Nielsen panels and large anonymized census data sets from TV providers and digital measurement. In our small team, you have an opportunity to work alongside more experienced data scientists and explore new methodologies and tools.


What will I do?

  • Explore and analyze data;

  • Develop quantitative models to represent the business issues;

  • Apply statistical modeling, machine learning algorithms, develop approximations of complex functions to support mathematical optimization, apply other quantitative methodologies;


Is this for me?

  • Master’s degree in econometrics or mathematics;

  • Bachelor’s degree in a field that is heavy on maths such mathematics, econometrics or physics;

  • Team player, like to test ideas with colleagues and you like to participate in peer reviews;

  • Good understanding of modeling and machine learning methodologies (e.g. GBDT models);

  • Creative thinker;

  • Critical mindset, keen eye for detail;

  • Residing in The Netherlands or willing to relocate.

  • Experience, knowledgeable of preferably Python and SQL;

  • Residing in The Netherlands or willing to relocate.


Why do I want to work here?

As the arbiter of truth, Nielsen Global Media fuels the media industry with unbiased, reliable data about what people watch and listen to. To discover what’s true, we measure across all channels and platforms⁠—from podcasts to streaming TV to social media. And when companies and advertisers are armed with the truth, they have a deeper understanding of their audiences and can accelerate growth. 


Do you want to move the industry forward with Nielsen? Our people are the driving force. Your thoughts, ideas and expertise can propel us forward. Whether you have fresh thinking around maximizing a new technology or you see a gap in the market, we are here to listen and take action. Our team is made strong by a diversity of thoughts, experiences, skills, and backgrounds. You’ll enjoy working with smart, fun, curious colleagues, who are passionate about their work. Come be part of a team that motivates you to do your best work!



Data Scientist, Econometrician / mathematician - Media Planning