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# Backend Developer

- **Company:** Flux GmbH
- **Location:** Berlin, Germany (Remote available)
- **Contract:** Permanent contract
- **Skills:** Clean Code Principles, Java (Programming Language), Application Programming Interfaces (APIs), Software Quality, Databases, Continuous Integration, PostgreSQL, OPC Unified Architecture, SAP (Applications), Spring-boot, Backend, Integration Tests, Kubernetes, Apache Kafka, Front End Software Development, Jenkins, Microservices
- **Published:** September 5, 2026
- **Apply:** https://startup.jobs/backend-developer-m-w-d-imes-industrie-software-microservices-bei-mogurugmbh-8166350

## About the Role

* Mehrjährige Erfahrung in der Backend-Entwicklung mit Java
 * Sehr gute Kenntnisse in Spring Boot und/oder Quarkus (Microservices)
 * Solides Verständnis von PostgreSQL, Datenmodellierung und Flyway-Migrationen
 * Erfahrung mit Kafka oder vergleichbaren Messaging/Eventing-Architekturen
 * Praxis in CI/CD (z. B. Jenkins) sowie Grundverständnis für Kubernetes/Helm
 * Clean Code, Architekturverständnis und Spaß an langlebigen Systemen
 * Vorteilhaft: Integrationen mit ERP-Systemen (D365/NAV/SAP) oder OPC-UA
 * Deutsch auf nahezu muttersprachlichem Niveau

## Description

* Entwicklung und Weiterentwicklung unseres Microservice-Backends (Spring Boot & Quarkus)
 * Design, Implementierung und Betrieb stabiler APIs sowie eventbasierter Integrationen (Kafka)
 * Umsetzung und Pflege von Datenbank-Migrationen (PostgreSQL / Flyway)
 * Sicherstellung von Codequalität, Stabilität und langfristiger Wartbarkeit
 * Aufbau und Pflege von Unit- und Integrationstests (u. a. Testcontainers)
 * Mitverantwortung für Build & Betrieb der Services: CI/CD (Jenkins), Container/Kubernetes und Deployments mit Helm
 * Enge Zusammenarbeit mit Frontend und Produktmanagement für eine konsistente, funktionale Gesamtlösung
 * Weiterentwicklung unseres Technologie-Stacks (z. B. Java-Weiterentwicklung bis Java 25) und kontinuierliche Verbesserungen im Engineering


## Related Videos

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- [Kubernetes and Microservices with Multi-Model Databases](https://www.wearedevelopers.com/videos/382-kubernetes-and-microservices-with-multi-model-databases)
- [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock)
- [The Road to MLOps: How Verivox Transitioned to AWS](https://www.wearedevelopers.com/videos/1050-the-road-to-mlops-how-verivox-transitioned-to-aws)
- [Enterprise-Cloud-Native - Fast-Paced Development & Deployment in a Highly Secure Banking Environment](https://www.wearedevelopers.com/videos/671-enterprise-cloud-native-fast-paced-development-deployment-in-a-highly-secure-banking-environment)
- [Meet Your New BFF: Backend to Frontend without the Duct Tape](https://www.wearedevelopers.com/videos/682-meet-your-new-bff-backend-to-frontend-without-the-duct-tape)

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