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Job Description

XING is the social network for business professionals with millions of members all over the world.
Help us shape the future - for a better working live!

The Data Science Team at XING offers an open position for a

Data Engineer & Software Developer (m/f)

focused on the development of data intensive and highly concurrent services, including the use of technologies such as Elastic Search or HBase.

Our crossfunctional Data Science team is responsible for turning data into services within the company. 15 Data scientists, architects and developers work together to create highly scalable solutions to serve our more than 13 million users. We work with the latest technologies in an international environment (our team has people from 9 different nationalities) and with challenging goals, that we pursue with passion and a lot of fun.

A challenging task:

  • a 100% development position
  • the development of high-performance services dealing with massive amounts of data (both on-line and off-line)
  • serving a high number of concurrent users with extremely low response time

Skills & Requirements

A convincing background:


  • Deep knowledge of the JVM internals (garbage collector, memory model, tuning, etc.)
  • At least 2 years experience as 100% developer (not as a user or researcher) in one of the following technologies:
    • Elastic Search (or Lucene or Solr otherwise)
    • Hadoop (or other Big Data technologies i.e. HBase, Cassandra, etc.)
  • Proficient English speaking in a working environment (German language not required)


  • Scala knowledge
  • Scalable and distributed algorithms
  • Data mining and machine learning (text mining is a plus)
  • Excellent SQL Knowledge
  • Contribution to open source projects


An environment that inspires: XING offers a dynamic environment located in the centre of Hamburg. As well as flexible working hours, you’ll have an opportunity to unleash your skills and acquire new ones. We offer a wide range of training courses in addition to German, English and Spanish lessons, regular team and offsite events, and lots of fun. We also provide free drinks and organic fruit as well as a Proficard public transport ticket, restaurant vouchers and travel insurance. And let’s not forget the smartphone or iPad that you can use privately. You’ll also be provided with a high-end Macbook Pro, and our offices have table football tables. If you’re feeling really sporty, we also have great gym deals, and various other benefits…


Learn more about XING

We have great benefits

Flexible working hoursPersonal developmentTime for innovationSubsidized restaurant ticketsA mobile device of your choiceGreat people to work withGym discountsSubsidized public transport ticket

Who you’ll work with

Alexander Greim - Director Mobile Engineering
Johannes Plunien - Senior Engineer
Miguel Parramon - Web Developer
Kerstin Puschke - Senior Software Engineer
Moritz Uhlig - Senior Data Architect
Tereza Iofciu
Ivan Fomichev

Visit the XING company page

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Data Engineer & Software Developer (m/f) at XING AG - Java