Software Engineer - Personalization (Scala)

Zalando SE


As a software engineer in the area of “Personalized Content Selection” you work in a data science-heavy area on personalizing the customer experience of Zalando’s Fashion Store. You use state-of-the-art data science infrastructure and personalization techniques.

Your main challenges will include working with large amounts of data and at the same time providing a rock solid low-latency auto-scaling production system. You will be a part of an autonomous and highly ambitious team consisting of experienced software engineers and expert data scientists working on the cutting edge every day.


  • You are apart of an agile, cross-functional and experienced team consisting of engineers and data scientists
  • You develop software in short release cycles
  • You will implement highly scalable personalization solutions with state-of-the-art-technologies which embed the algorithms to learn to pick the right content for each individual customer
  • You work on the reliability, monitoring and create an operational understanding of a system on a large scale
  • You interact with many other teams with many different backgrounds - technology- and culture-wise
  • You will transfer algorithmic prototypes to enterprise level, highly scalable and fault-tolerant solutions using the right technology for the job
  • Design, develop, deploy, operate and improve software solutions that impact millions of Zalando customers


  • You have 4+ years of experience, working as a (Java or Scala) developer. Computer science or equivalent degree is a plus.
  • You have a strong understanding of the JVM.
  • You are an advocate of teamwork and agile methodologies
  • You have worked with data engineering technology, e.g. Spark, SQL, Airflow, AWS EMR, AWS Data Pipelines
  • You are experienced in building and deploying data-driven systems in a cloud environment (preferably AWS)
  • You are keen on collaborating closely with data scientists & data analysts
  • You have worked with NoSQL databases before (e.g. Cassandra, MongoDB)
  • You love to improve & optimize software and to use new technologies
  • Experience in Python is a plus


Our recipe for success: Think big and act fast. Your contribution today will influence millions of customers tomorrow. At Zalando, you have the opportunity to work for a fast-growing international company that wants to offer the world’s best fashion experience. Obviously, we offer you much more:

  • An exceptional opportunity to develop your skill set while learning from a team of top experts who will inspire and support you
  • Use of cutting-edge open source technologies and cloud services
  • Learning and growth opportunities: weekly tech talks, company-hosted tech meetups, rich team library (which you can expand with your book requests), a possibility of visiting conferences
  • We offer fruit baskets, beverages, table soccer, ping pong, gaming consoles and a band room
  • Employee discount for all Zalando shop products
  • Powerful laptops and other hardware provided
  • Through our mentoring program, you will get up to speed and become productive very quickly
  • You will never be bored! Zalando offers a very exciting and fun working environment


Zalando is Europe’s leading online fashion platform, doing business in 15 markets. Delivering first-class shopping experiences to our +15 million customers requires moving fast — with microservices, Agile processes, and autonomous teams  — and using cutting-edge, open source technologies. We are passionate about what we do and have fun while doing it. And we are willing to experiment and make mistakes: It’s how we grow.


If you need guidance or have any questions about our hiring processes, please contact Katarzyna Nowicka.

Job Facts





Job Category

Technology & UX/UI Design

Experience Level

Professional Level


Zalando SE



Katarzyna Nowicka

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Application Form

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