(Senior) Full-Stack Engineer (A/B Testing) (all genders) - Team Frontend Foundation

Remote / Köln / Darmstadt / Düsseldorf
Contract type:
Professionally experienced

Who we are

We operate the international online marketplaces of Kaufland: Several thousand sellers and millions of products make us one of the fastest growing online marketplaces. Ours is a dynamic corporate culture that merges a start-up mentality with the opportunities offered by a large corporation. We combine knowledge and many years of experience in e-commerce with flat hierarchies and a highly motivated team. 

We love flexibility! We offer you the best environment to work in a flexible and focussed way: You get to decide whether you want to work in one of our offices in Cologne // Darmstadt // Düsseldorf, but also have the opportunity to work remotely (within Germany) and choose the best of both. We want to offer you the most attractive workplace in e-commerce and maximum flexibility for your personal work-life balance. 

Day by day, our development team of about 400 experts pursues the goal of creating the best possible customer shopping experience for our online marketplace. To enrich the lives of our customers, we collaborate in cross-functional teams. Learn about how they are structured and more details about our product areas here: https://kaufland-ecommerce.com/en/team/tech-en/

We are seeking an experienced Engineer (all genders) to join our Frontend Foundation Team and play a pivotal role in advancing our internal services further. The Frontend Foundation Team is part of our Developer Experience & Platform Area and responsible for our frontend architecture (company-wide), establishing and maintaining company-wide coding standards, driving technical enablement as well as acting as internal consultants. In order to achieve these goals, you will be working closely with product teams, and driving innovation in the developer experience. If you are passionate about frontend architecture, infrastructural topics and have an interest in A/B testing, we want to hear from you!

Your tasks – this is what awaits you in detail 
  • As (Senior) Full-Stack Engineer in our Frontend Foundation team you play a key role in educating and actively supporting our product teams as they implement A/B testing initiatives
  • Your responsibilities extend to maintaining our essential internal libraries, which serve as the backbone for various applications across the company
  • Additionally, you oversee our internal web tracking services, ensuring seamless ingestion and sharing of tracking events across our ecosystem - this complex task involves utilizing technologies like Node.js, Kafka, and Kubernetes
  • Your domain of ownership encompasses the establishment and management of company-wide processes for tracking contracts, ensuring consistency and efficiency in our tracking practices
  • Furthermore, you lead the development and upkeep of a robust testing and monitoring framework for our internal tracking setup - this vital framework guarantees the accuracy and reliability of our tracking mechanisms, contributing significantly to our overall operational excellence

Your profile – this is what we expect from you  
  • You have extensive experience as an Engineer and are used to solving different engineering problems with the tools and frameworks that make sense both for the problem domain and the engineering organization
  • You have profound knowledge of our full-stack tech stack which is JavaScript (Vue.js) and Node.js - hands-on PHP experience is a plus
  • While prior experience with A/B testing and web tracking tools is advantageous, it is not a prerequisite, as we are committed to providing comprehensive training - however, a keen willingness to engage with and master these tools is essential
  • You have excellent communication skills, are willing to embrace our company culture and values and enjoy working in an international, english-speaking team 
  • You are knowledgeable about testing, debugging, and deployment techniques for web applications
  • You have the drive to continuously develop both yourself and your team further in order to become a little bit better every day 
  • You have a very high capacity for abstraction, analytical thinking and your actions are always based on partnership 

What we offer

  • Create your own work-life balance: Work remotely or at one of our locations in Cologne, Darmstadt, Düsseldorf!
  • Diversity and variety: An international environment with talents from over 65 different nations creates innovative and exciting perspectives
  • Do you want to move to Germany? No problem – we offer you an attractive relocation package to give you a smooth start.
  • Power meets dynamic: Flat hierarchies and start-up mentality meet the power of a big corporate group, providing you an agile and secure working environment
  • Free choice of operating system: MacOS or Ubunutu Linux, it's up to you
  • We are team players: Our strong bond extends beyond our own team: we stay connected thanks to our many internal offerings, such as our digital onboarding program, our all-hands meetings and regular team and company events
  • Mental well-being: We support you with various initiatives on your personal and professional well-being journey!
  • Boost your growth: Benefit from our online language learning offersour various in-house training offers as well as our automated 360-degree feedback to boost your personal and professional growth
  • The future is digital: Develop the e-commerce of the future with us and work on a product with millions of users
  • Deutschlandticket’: We subsidise your train season ticket for more mobility
  • Urban Sports Club: Get top deals for fitness, team sports, yoga and more
  • Personal & team growth: We love flexibility in terms of working location, but we also believe that personal interactions are important. That’s why we organise 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
Check out our Principles & our blog for even more insights into our company culture!

Diversity at Kaufland e-commerce 

We welcome applications from everyone, regardless of skin colour, sexual orientation, gender identity, age, disability, ethnic origin, religion and ideology. We are signatories to the Charta der Vielfalt (German Diversity Charter) – because we know that extraordinary things can only be achieved with diversity.

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!

How would you like to be addressed?
Feel free to add the following pronouns "she/her", "him/he" or "they/them" optionally (e.g. after your name) in your CV.

As we have very international teams, we would highly appreciate it to receive your CV or profile link in English.
Your contact person: Alina Asmus 
Kaufland e-commerce Services GmbH & Co. KG

Postal address:
Habsburgerring 2
50674 Köln

We are looking forward to your application!

Our jobs