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Senior Backend Developer - Java (m/f/d)

Permanent employee, Full-time · Bonn

About us
LeanIX aspires to become the number one SaaS solution to modernize IT architectures. And we are on a good way. Hundreds of well-known brands such as adidas, Zalando, and Vodafone make better decisions in IT with LeanIX. 

But LeanIX is not just the product, it is also a great place to work. Colleagues from dozens of countries jointly make our vision reality. Yes, we have to work hard to achieve our ambitious goals. But we have everything to do so. We have invested a lot in a working environment that allows everyone to thrive. We believe in open access to leadership, transparent communication, personal development, a modern airy working environment, and that world-class teams deserve the best software stack money can buy.


Our Backend-team develops Microservices and 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 extent and make use of Continuous Integration and Deployment.
  • Implementation of scalable & 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   
  • Kafka   
  • Databases: Postgresql, Elasticsearch and ArangoDB      
  • Modern toolchain, e.g. Maven, Git flow, GraphQL API, Jenkins, Docker, Ansible , nginx, NewRelic, intelliJ IDEA
  • Overview
  • Degree educated 
  • 3+ years working experience
  • Working proficiency with Java
  • Working experience with modern tools and workflows
  • Open communication style     
  • Able to anticipate and solve problems 
  • Quality awareness


Thank you for considering a career at LeanIX. Please fill out the following form. In case you are experiencing problems with the document upload, mail your documents to

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English only Unsere Job-Beschreibungen sind nur in Englisch verfügbar. Da wir zahlreiche Unternehmen betreuen, die international aktiv sind, ist Kommunikation in Englisch wichtig für alle unsere Rollen. Deine Bewerbungsunterlagen können in Deutsch oder Englisch verfasst sein.
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