Working at OpenCore

We are a team of technology enthusiasts and always looking for new colleagues. As a part of our team it is our top priority to keep you happy, engaged, shield you from as much red tape as possible and working on interesting projects. Our core business is to transfer knowledge and communicate with our clients, so it is only natural that this is also one of our main goals in our company.

About OpenCore

OpenCore is an IT consultancy located in Germany. We're focused on everything Big Data, Hadoop, Cloud and other new technologies.

With this focused and specialised approach we're amongst the worlds first in this area. We promise to deliver only the best quality. What helps us here is over 10 years of experience in this area. When we started all of this the term "Big Data" didn't even exist.

Our customers are companies of all sizes and industries, mostly in Germany but also abroad (mostly Europe). OpenCore has different roles in these projects, always with a focus on Big Data / Open Source. For this, we could use your help!

We value participation in Open Source projects and are Committers in a few projects ourselves (Apache HBase, Apache Hive, Apache ORC) and support any and all participation in these projects.

We're looking for new colleagues and are looking forward to your application!

Your job

Applicants that are willing to support us with these tasks:

  • Help our customers with their questions around Big Data/Hadoop
  • Development of applications (mostly Java, Scala, Python)
  • Development and delivery of trainings & workshops

What you definitely need:

  • Willingness to travel
  • Most projects are on site with the customer
  • We have customers worldwide, but most are in Europe and especially Germany
  • We try to honour your wishes regarding location but can't always promise it
  • IT-Know-how and the desire and interest to work on new technologies yourself

What's helpful:

  • Programming skills
    • Ideally in Java and/or Scala, Python is also useful
  • Best Practices like Unit testing, Continuous Deployment etc.
  • Experience with Linux
    • Red Hat/CentOS is preferred but Debian/Ubuntu/others are also useful
  • Any prior knowledge in Big Data systems is good to have
    • e.g. experience in Apache Spark, Apache Kafka, Apache Hadoop etc.
  • SQL
  • IT degree

What we offer:

  • Interesting projects
    • Most of our projects are comparatively short which makes things more interesting
  • Flexible vacation rules
  • We'll support you in your open source projects and contributions
    • We'd love to see you become a committer in one of these projects
  • Individual career path
    • Admin, Developer, Data Scientists etc.
  • Fair payment

If you're interested or have any questions just reach out to us at We're looking forward to meeting you!