Senior Data Scientist (Causal Analysis)



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For over 80 years, GfK has been a reliable and trusted insight partner for the world’s biggest companies and leading brands who make a difference in every consumer’s life - and we will continue to build on this. We connect data, science and innovative digital research solutions to provide answers for key business questions around consumers, markets, brands and media. With our headquarters in Germany and a presence in around 60 countries worldwide, you benefit from our global company with a diverse community of ~9,000 employees.

Harnessing the power of our workforce, the greatest asset we have is our people. As part of GfK, you can take your future into your own hands. We value talent, skills and responsibility and support your development within our international teams. We are proud of our heritage and our future: Currently we are in the latter stages of a transformational journey from a traditional market research company to a trusted provider of prescriptive data analytics powered by innovative technology. This is only possible with extraordinary people and this is why we are looking for YOU to help create our future. For our employees as well as for our clients we pursue one goal: Growth from Knowledge!

Job Description


  • Work with GfK's Point of Sale / Media / third-party data to develop Data Science solutions for implementation and standardization in Big Data environments
  • Screen the market for potential new / innovative Data Science approaches
  • Develop end-to-end analytical products
  • Actively share Data Science knowledge within Technology and Data network
  • Support the presentation of GfK’s Data Science capabilities in client-facing situations


  • Design, develop, and implement Data Science and machine learning solutions in proofs of concept and prototypes (e.g., notebooks, web applications)
  • Create product-driven Data Science solutions for our new prescriptive / AI flagship product by closely collaborating with product manager / owner 
  • Contribute to Data Science projects by developing and implementing Data Science and machine learning models that are reproducible and well documented, and that follow prescribed coding guidelines
  • Present GfK’s Data Science expertise at conferences and workshops
  • Create and improve methods and tools, extending the state of the art and contributing to best practices in the area of Data Science
  • Participate in Communities of Practice
  • Foster Data-Science-related knowledge exchange within GfK
  • Support development of talent and organization of required trainings


Essential skills

  • Master or PhD degree that reflects very strong statistical / mathematical / computer science skills
  • Typically 3+ years of work experience
  • Very strong knowledge of statistical modeling and Data Science techniques (e.g., causal analysis, predictive modeling)
  • Solid knowledge of optimization and / or machine learning algorithms and / or deep learning algorithms
  • Solid knowledge of Python and the respective development tools / IDEs (e.g., Jupyter, PyCharm)
  • Solid skills with regard to database handling, in particular SQL, NoSQL
  • Basic understanding of Big Data Architectures

Desirable skills

  • Solid experience and working knowledge of the constantly evolving Data Science ecosystem and popular machine learning frameworks
  • Experience with common software engineering practices and frameworks (version control, testing, agile development, Scrum)
  • Familiarity with cloud computing environments (e.g., GCP) and productionizing machine learning models (e.g., exposure as REST API, containerization, scalability, performance optimization)

About you

  • Ability to digest and implement approaches described in the latest literature, and to contribute to the state of the art by extending such approaches
  • Ability to work without supervision, help other team members with errors / tool setup and constantly strive to learn and improve
  • Ability to think creatively in addressing analytical objectives
  • Ability to estimate the complexity of a Data Science solution compared to value provided and to inform project planning
  • Ability to translate and clearly communicate sophisticated analytical information to non-expert stakeholders
  • Ability to fluidly communicate in an English business environment

We are an ethical and honest company that is wholly committed to its clients and employees. We are proud to be an inclusive workplace for all and are committed to equal opportunity in employment which focuses on all of our employees reaching their full potential. At GfK we work collaboratively with our colleagues but offer a flexible working approach, including dividing our time between office & remote working as well as the opportunity to flex our working hours around team core hours.

We offer an exciting work environment that brings people together. We encourage an entrepreneurial and innovative spirit. We make use of the latest digital technologies. We are looking for self-starters, who accept challenges and create solutions.

Can there be a better place to take center stage in the digital revolution? We are excited to get to know you!

Posted: 44 days ago

City: London, Nuremberg, Warsaw

Work Area: Technology

Job Time: Full Time

Requisition ID: R00013598