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Machine Learning Engineer (m/f/d)



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For almost 90 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, ROI, 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 8,000+ 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 will support your development within our international teams. We are proud of our heritage and our future, as we continue our evolution from Market Research provider to SaaS data solutions and consulting partner. We value 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


  • Develop, implement and standardize marketing science solutions in proofs-of-concept and prototypes

  • Improve the efficiency of the marketing science products (e.g. ensure quality by adherence to coding guidelines, documentation, and reproducibility)

  • Increase marketing science models using code optimization, high-performance computing, and real-time techniques

  • Build analytical pipelines at scale using cloud services, containerized applications, and distributed systems

  • Identify best practices and create continuous improvement of tools and methods in GfK Global Marketing Science

  • Participate in Communities of Practice; foster Marketing Science related knowledge exchange within GfK

  • When needed, serve as a necessary expert to assist regional marketing science teams in writing scalable code

  • Collaborate with the MCI Product Owners, Marketing Science Delivery Leads, Marketing Scientists, and Front End Software Engineers


  • 2+ years of relevant work experience

  • Solid knowledge of analytic programming languages (i.e. R and Python) and the respective Machine Learning / Statistical Modeling ecosystem

  • Solid knowledge of computer science fundamentals, software design principles and patterns, patterns and testing strategies

  • Experience with Dockerization and Kubernetes/docker-compose

  • Solid statistical skills of econometric techniques

Soft Skills

  • Mathematical thinking

  • Ensure all outputs are delivered and accurate

  • Be a good role model, help to build teamwork and team spirit

  • Good experience with Agile development practices

  • Ease of communication in an English-speaking business environment

Location: This job is located in Warsaw, Poland working within a Hybrid model. #LI-Hybrid

You will be reporting to Adam Kowalewski.

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 employment opportunity, focusing on all of our employees reaching their full potential. 

We respect and value every employee regardless of race, ethnicity, gender, sex, sexual orientation, age, personality, experience, culture, faith, socio-economic status, or physical or mental disabilities.

We endorse the core principles and rights set forth in the United Nations Declaration of Human Rights and the Social Charter of Fundamental Rights of the European Union, promoting the universal values of human dignity, freedom, equality, and solidarity.

Learn more about how we are driving diversity and inclusion in everything we do on:

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.

Don't meet every single requirement? Some people are less likely to apply unless they meet all the requirements listed in a job specification. GfK is looking for self-starters to join our innovative team keen to take on a new challenge. So, if you're excited about this role but your skills and experience don't align perfectly with every requirement we've listed, we still encourage you to apply. You may be just the right candidate for this or other roles.

Posted: 45 days ago

City: Warsaw

Work Area: Technology

Job Time: Full Time

Requisition ID: R00016986