Staff Software Engineer (f/m/d) Managed Kubernetes / 1647 (Softwareentwickler/in)

We are seeking an experienced Specialist Software Developer to join our Managed Kubernetes team. You'll play a crucial role in developing and maintaining our Managed Kubernetes Product that serves both internal IONOS teams and external customers. This position requires experience with Kubernetes architecture and a strong focus on operational aspects aligned with the principles of CKA (Certified Kubernetes Administrator).Tasks- Design, development, and maintenance of cloud-native applications in Golang (Kubernetes Operators, REST APIs, libraries).- Designing and implementing new features to improve our Managed Kubernetes offering.- Contribute to the further development of our service architecture and infrastructure-as-code processes.- Development and maintenance of the complete DevOps toolchain (Helm Charts, GitHub Actions, GitOps workflows).- Creation and maintenance of Kubernetes operators, controllers and custom resource definitions (CRDs).- Implement monitoring, alerting, and observation solutions for Kubernetes workloads; collaborate with cross-functional teams to improve platform reliability and performance.Qualifications- 3+ years of hands-on experience working with Kubernetes in production environments- Proficiency in Golang development with a track record of delivering production-grade code- Understanding of Kubernetes architecture, API resources, and extension patterns- Knowledge of container orchestration, networking, and security principles- Knowledge of CI/CD pipelines and GitOps workflows- Experience with observability stacks (Prometheus, Grafana, Loki, etc.) for monitoring and troubleshooting- Linux system administration skills- Willingness to undergo extended security vetting (SÜ2)Benefits- Hybrid working model.- Flexible working hours through trust-based working hours.- At some locations a subsidized canteen and various free drinks.- Modern office space with very good transport connections.- Various employee discounts for activities and products.- Employee events such as summer and winter parties, as well as workshops.- Numerous training and development opportunities.- Various health offers, such as sports and health courses.