Platform / Infrastructure 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/en/team/tech/. 

Your tasks – this is what awaits you in detail

  • You will become an expert in understanding our traffic flow and infrastructure
  • You work closely with the product and development teams to enable them to get their frontends and assets into the browsers of our customers
  • You design the traffic flow of our Marketplace and orchestrate it across Load Balancers, CDNs, Caches, (Micro-)Services and static file stores.
  • You are responsible for our traffic flow and its process optimization to ensure we can scale to an Europe-wide marketplace
  • You maintain & develop our cloud infrastructure and develop new tools and systems that allow development teams to work as independently as possible
  • You work on optimizing our monitoring and alarming capacities to track how requests enter and leave our platform

Your profile – this is what we expect from you

  • You have some experience in web development, including frontends, backends, and databases
  • You are familiar with infrastructure tools like Ansible and Helm or similar, such as Chef, Puppet or Salt
  • You have experience with Cloud-based infrastructure and how to manage it effectively with Terraform
  • You already have experience in scaling to large traffic sizes through Load Balancers, Reverse Proxies (ex. Nginx), CDNs (ex. GCP), Caches (ex. Varnish, Redis, Memcached) and Kubernetes (pod & node autoscaling)
  • You ideally also bring a basic understanding of networking, including the TCP/IP stack, DNS, BGP, TLS/SSL, or similar technologies
  • You are also familiar with operational tasks in supporting a 24/7 production environment
  • You have a customer-oriented instead of a operations-focused mindset, and you are able to build platforms that are automated and self-service for development teams
  • 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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