Performance Engineer- E-Commerce (f/m/d)

Permanent contract, full-time, Cologne

Who we are

We are Several thousand dealers and millions of products make our multi-channel portal one of the largest marketplaces in Germany. 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 as an intern or an executive: We take every idea seriously, because we want to work together in shaping the future of e-commerce!

Day-by-day, our development team of about 100 experts pursues the goal of developing the best products and optimising the shopping experience. Our domains operate along the customer journey to ensure that we always keep an eye on the customers’ needs and can deal with new challenges promptly. Whether Marketech, After Sales, Checkout & Accounting, or Logistics, we drive developments forward and have great freedom regarding technical aspects. Details regarding the challenges of the respective domains can be found here

Nobody wants to wait long for the website to load. Are you passionate about understanding applications and their interaction with databases, and improving their performance? Then join us in our team!

Your tasks – this is what awaits you in detail

  • You are primarily responsible for vertical scaling – you uncover inefficiencies and work with developers and DevOps to improve the software
  • We expect highest proactivity. Not only solving the problems, counts among your tasks, but also finding and prioritising problems or potentials
  • In the projects, you are available to the teams for hands-on support and also as a consultant, or for measuring the performance / reviewing the written code
  • You call into question established approaches
  • You develop our internal processes further and improve the technical understanding in our team

Your profile – this is what we expect from you

  • You have a university degree in (business) informatics, mathematics, physics, (business) engineering or similar
  • With every formulated query you effectively go through the Query Optimizer in your head, even milliseconds are a long time for you
  • You can distinguish between meaningful and senseless optimization
  • You have strong abstract thinking abilities, an analytical approach and strong communication skills
  • Very good knowledge and experience in object-oriented programming (preferably PHP) and software architecture are a plus

What we offer

  • A highly-motivated and qualified team from different fields and numerous nations

  • A sophisticated product with millions of users and a broadly-based technology stack

  • A dynamic environment with a start-up mentality, no superfluous red tape and hierarchy, as well as plenty of courage and trust to break new ground

  • A central, modern office in the heart of Cologne

  • Free choice of hardware – we provide you with the development environment of your choice

  • Always up-to-date – you receive four days of special leave and a budget of €1,300 per year to attend relevant fairs and conferences

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


Your contact person: Marion Graßler
real,- Digital Payment & Technology Services GmbH
Habsburgerring 2
50674 Köln

Offene Stellen