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Your tasks

  • You will work in our Personalization and Recommendations teams, which are dedicated to providing our users with the best personalized experience across our various products and content: Movies, Series, Podcasts, Magazines and more. At the heart of this is a scalable personalization infrastructure that leverages cutting-edge technologies and keeps pace with the growth of our customer base. We use a variety of techniques to generate content recommendations and re-evaluate them to personalize the user experience and ensure we deliver the right content at the right time
  • Implement stream and batch processing data pipelines that feed our article indexes and build our machine learning models 
  • Developing machine learning algorithms, from single recommendation algorithms to whole page optimization algorithms 
  • Designing and implementing data validation strategies to ensure model performance over time 
  • Enable measurable asset performance by implementing A/B testing and tracking key metrics 
  • Implement measures to improve the reliability, scalability, and performance of the recommendation infrastructure to deliver a personalized experience to millions of users. 
  • Work closely in an agile, international team with Data Scientists, infrastructure engineers, product owners, and other stakeholders to deliver a unique personalized experience to
  • You'll work with the Stack about Google Cloud Platform, Elasticsearch, Python, REST APIs


Your profile

  • You have at least B.Sc., M.Sc. or Ph.D. in computer science or a related field
  • You have Experience working as a Data Engineer or Software Engineer
  • You have solid skills in programming with Python or Java/Scala
  • You have the ability to write efficient, well-tested code with a keen eye on scalability and maintainability
  • You have Hands-on experience with Elasticsearch, Lucene or Solr
  • You have experience developing scalable data pipelines with Spark, Beam or related technologies is a plus
  • You enjoy working in an agile team, like to get involved, think "out of the box" and are keen to tackle new topics
  • Good English skills complete your profile

We welcome applications from people who contribute to the diversity & sustainability of our company.



  • At RTL Data you will work in a modern start-up atmosphere in agile teams and get the opportunity to implement your ideas - find out more about RTL Data at!
  • A complete package including mobile office, flexible working hours, vacation pay and 30 vacation days per year is waiting for you
  • We secure you - with very good social benefits such as pension plan, disability and accident insurance, value account and much more
  • Our locations are always centrally located and equipped with the latest technology. Whether you come by bike or by car - a free parking space is waiting for you at our broadcasting center in Cologne-Deutz
  • A dedicated team will take care of your regular training and development opportunities - both professionally and personally
  • Save money with a variety of employee discounts, including a free RTL+ subscription and Gruner+Jahr Plus products
  • We don't have a dress code - but we still leave the beach outfit at home
  • We're also very good at toasting and celebrating - preferably together at Christmas parties, summer parties, team events or carnivals


About us

Using content, tech and data to create sustainable success.

At RTL Deutschland, we entertain, inform and inspire millions of people every day across multiple platforms with our strong media brands, content and products. As part of RTL Group, we offer many possibilities: from TV and streaming to print, digital, radio and podcasts. Here, over 8,000 creatives, strategists, techies, numerical geniuses and organisational wizards work towards the same goal. 

Do you value team spirit and a hands-on mentality? Do you want to grow beyond yourself and be part of our diverse team? Do you value a trusting working atmosphere? Are you looking for the freedom to implement your ideas and develop your strengths?

Then join us in shaping the future of Germany's leading entertainment company.



Unternehmen: RTL Deutschland GmbH 

Land: Deutschland

Region: Nordrhein-Westfalen

Stadt: Köln

Postleitzahl: 50679

Job ID: 248997

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Jobsegment: Test Engineer, Cloud, Software Engineer, Testing, TV, Engineering, Technology, Creative

Jetzt bewerben »