1&1 Mail & Media GmbH

Java 8 Software Developer (f/m/d) - for our brands GMX and WEB.DE

at subsidary 1&1 Mail & Media GmbH in München
Reference Id: MU-JuKa-1807049


Several million customers use our brands GMX, WEB.DE, 1 & 1 and MAIL.COM and generate billions of requests. Our systems are the most frequented in Germany. For an exciting new project regarding account abuse prevention, we are looking for an experienced Java developer.

  • You develop and maintain high-performance Java applications in the field of security.
  • You establish a strategy for test automation on distributed systems.
  • You work with a motivated team and experienced architects.
  • Together you design the target architecture for a high-load environment and critical processes.
  • You are confident in dealing with sensitive data.

Your profile

You have several years of professional experience in object-oriented and functional software development with Java. Additional skills include:

  • Proven knowledge in the implementation of modern web services with Java 8.
  • Practical experience with Kafka, Gitlab (CI), Maven, Spring Boot and streaming frameworks is beneficial.
  • Motivation to adapt new technologies and to solve challenging tasks.
  • Ambition to deliver high quality and to work in a structured and solution-oriented style.
  • Good English language skills. German language skills or the willingness to learn German are a plus.
apply online now

For reasons of better readability, we have used the male language form (when and wherever applicable) throughout the text. However, this does not imply any kind of discrimination against other sexes, but should be understood as gender-neutral in the sense of linguistic simplification.


United Internet AG
Zentrales Bewerbermanagement
Ernst-Frey-Straße 10
D-76135 Karlsruhe

Tel: +49 721 91374-6891