(Senior) Data Engineer (f/m/d)

Permanent contract, full-time or part-time, Cologne / Darmstadt / Düsseldorf / Remote

Who we are


We operate Kaufland.de: Several thousand sellers and millions of products make us one of the fastest growing online marketplaces.  Our work is characterised by a dynamic corporate culture, with a start-up mentality and the opportunities offered by a large corporation in the background. We combine knowledge and many years of experience in e-commerce with flat hierarchies and a highly motivated team. Whether you are an intern or a team lead: We take every idea seriously, because we want to work together in shaping the future of e-commerce!

We love flexibility! We offer you the best environment to work in a flexible and focused way: You decide whether you want to work in our office in Cologne // Darmstadt // Düsseldorf while at the same time having the opportunity to work remotely (Germany). We want to offer you the most attractive workplace in e-commerce and a maximum of flexibility for your personal work-life balance.

Day-by-day, our development team of about 250 experts pursues the goal of creating the best-possible customer shopping experience for the Kaufland.de marketplace. We are here to inspire millions of customers, to help them find, purchase and get the things they love. To enrich the lives of our customers, we collaborate in cross-functional teams, in which product owners, product designers, frontend and backend engineers, data scientists and lean managers join forces. Details regarding the challenges of the respective product areas can be found here: https://kaufland-ecommerce.com/team/tech/


Your tasks – this is what awaits you in detail

  • As a Data Engineer (f/m/d) you act as an important interface between our DevOps, Data Science and software development divisions

  • You develop scalable applications and systems for processing structured and unstructured data

  • You use and administrate technologies like Kafka, Kubernetes, Debezium and BigQuery

  • You deal comprehensively with many different data-related topics and have the right ideas for every situation: Whether it's data exchange between microservices, processing huge amounts of data for recommender models, or lightning-fast, interactive business intelligence applications, we have the right solution

Your profile – this is what we expect from you

  • You have a university degree in (business) informatics or a comparable field of study
  • You have a very high capacity for abstraction, a sound algorithmic understanding and affinity for working with data
  • You have profound experience in Object Oriented Programming (OOP), preferably with Python 
  • You have experience in at least two of these technologies:
    • Relational and noSQL databases and data warehouses
    • Message queues such as Apache Kafka
    • Containers, preferably with Docker and Kubernetes
  • Ideally, you have experience in some of the following technologies and, as an autodidact, you are prepared to quickly familiarize yourself with the other technological forms:
    • Public Cloud & Infrastructure as Code
    • ETL or distributed task scheduling frameworks
    • CI/CD
    • Flask framework
    • Click or Confluent libraries
  • You have excellent communication skills, are willing to embrace our company culture and values and enjoy working in an international, english-speaking team

What we offer

  • Create your own work-life! We offer you the best possible flexibility in terms of working hours and location 
  • A highly-motivated and qualified team from different fields and numerous nations
  • The future is digital - Develop the e-commerce of the future with us and work on a product with millions of users with a broadly-based technology stack
  • Power meets dynamic - flat hierarchies and start-up mentality meet and the power of a big corporate group and offers you an agile and secure working environment at the same time
  • Free choice of hardware – we provide you with the development environment of your choice
  • Personal & team growth: We love to have flexibility in terms of working location, but we also believe that personal interactions are important. That’s why we organize company events, and cover the costs to bring you there and to other (approved) get togethers with your peers. The same applies to conferences and other learning opportunities. We want everybody to grow personally and professionally, as a team and as a company
  • Top conditions at the Urban Sports Club for fitness, team sports, yoga and more
 Check out our Principles & our blog for even more insights into our company culture!


Refer an Engineer Program

You want to work for us, but not without your dearest colleague? Join us as a team and earn money by referring your buddy for one of our open Tech positions! Depending on the level we offer a bonus up to 1.300,- € per referral, which will be paid after successful recruitment (the first part with your first salary, the second part after your buddy passes the trial period).

Why are you the perfect fit for this position? Don't bother with cover letters - we're interested in facts and figures!

Apply here
Your contact person: Kristina Heymann
Kaufland e-commerce
Kaufland e-commerce Services GmbH

Postal address:
Habsburgerring 2
50674 Köln

We are looking forward to your application!

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