<img height="1" width="1" src="https://www.facebook.com/tr?id=1758628641118349&amp;ev=PageView &amp;noscript=1">

We are looking for employees with passion for IT

Backend Developer - Java

Bonn Engineering


LeanIX offers a Software-as-a-Service (SaaS) for Enterprise Architecture (EA), which enables organizations to take faster, data-driven decisions in their IT. More than 80 leading brands such as Adidas, DHL, Merck, Vodafone or Zalando use the innovative solution worldwide. Users of LeanIX gain insight how well the used technology supports the business to increase competitiveness and to strengthen innovation. LeanIX addresses the frequent problem, that the required information about the IT landscape is missing, outdated or difficult to analyze. Use cases include application rationalization, technology risk management and the shift from monolithic architectures to microservices. LeanIX was founded in 2012 by Jörg Beyer and André Christ. The company's headquarter is in Bonn, with offices in Boston, Massachusetts and Houston, Texas. A wide network of partners provides support in America, Europe and Australia.

Our Backend-team develops Microservices und APIs, in order to safely persist the data and dependencies of entire IT architectures of our customers. In order to allow sophisticated, blazing fast analysis and vizualization, we rely on special purpose storage technologies. Besides relational databases, we use document-centric, graph-oriented or time-series-databases. As Java Developer you enrich our team, that builds intelligent APIs which are used by our single-page-app frontends or directly by our customers.

Two week sprints based on SCRUM help our teams to self-organize their tasks and continuously improve our platform for our customers. Thanks to our highly automated toolchain based on GitHub, Jenkins, Docker and Ansible we work test-driven to a large extend and make use of Continuous Integration and Deployment.


  • Implementation of scalable and secure backend services in Java
  • Design and implementation of robust REST APIs and GraphQL API
  • Agile development according to SCRUM
  • Improvement of our architecture


  • Java 8, incl. Dropwizard and Spring
  • Relational databases, e.g. Postgresql
  • Document-centric databases, e.g. Elasticsearch
  • Graph-oriented databases, e.g. ArangoDB
  • Modern toolchain, e.g. Maven, Git flow, GraphQL API, Jenkins, Docker, Ansible


  • Degree educated
  • Work experience / relevant internships
  • Knowledge of OOP and SW design patterns
  • Experience with modern tools and workflows
  • Open communication style
  • Able to anticipate and solve problems
  • Quality awareness


Apply Now!

More open positions at LeanIX