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Specialist Software Engineer Managed Kubernetes

1&1 Internet AG

Job

  • Level
    Experienced
  • Job Field
    IT, DevOps, Back End
  • Employment Type
    Full Time
  • Contract Type
    Permanent employment
  • Location
    Berlin
  • Working Model
    Hybrid, Onsite

    • Job Summary

    In this role, you design and develop cloud-native applications in Golang, optimize our managed Kubernetes offering, and implement Kubernetes operators along with monitoring solutions for a reliable platform.

    Job Technologies

    Your role in the team

    • Design, development, and maintenance of cloud-native applications in Golang (Kubernetes Operators, REST APIs, libraries).
    • Design and implementation of new features to enhance our Managed Kubernetes offering.
    • Contribution to the further development of our service architecture and Infrastructure-as-Code procedures.
    • 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).
    • Implementation of monitoring, alerting, and observability solutions for Kubernetes workloads; collaboration with cross-functional teams to improve platform reliability and performance.

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    Our expectations of you

    Qualifications

    • Deep understanding of Kubernetes architecture, API resources, and extension patterns; experience with Helm and other Kubernetes package management tools.
    • Advanced knowledge of Linux system administration; good knowledge of CI/CD pipelines and GitOps workflows.
    • Kubernetes certifications (CKA, CKAD, CKS) are an advantage.
    • Contributions to open-source Kubernetes ecosystem projects are welcome.

    Experience

    • At least 3 years of hands-on experience working with Kubernetes in production environments.
    • Strong expertise in Golang development with a proven track record of delivering production-ready code; experience with public cloud providers (AWS, GCP, Azure) or private cloud infrastructures.
    • Experience in designing and implementing Kubernetes operators and controllers; expertise in container orchestration, networking, and security principles.
    • Experience with Observability stacks (Prometheus, Grafana, Loki, etc.) for monitoring and troubleshooting.
    • Experience with infrastructure automation tools (Terraform, Ansible) is desirable.
    • Experience with multi-cluster and multi-tenant Kubernetes architectures is advantageous.

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    Benefits

    Health, Fitness & Fun

    Work-Life-Integration

    Food & Drink

    Topics that you deal with on the job

    Job Locations

    • Location Berlin

      Germany

    This is your employer

    1&1 Internet AG

    1&1 Internet AG

    With our strong brands 1&1, GMX, WEB.DE and mail.com, we are the leading provider of consumer applications in Germany with over 30 million active users. We make communication even safer - with up to 500 million incoming e-mails per day! With our advanced security facilities, we ensure that your data is always protected. So you can relax and concentrate on the really important things.

    Description

  • Company Size
    250+ Employees
  • Company Type
    Established Company
  • Working Model
    Full Remote, Hybrid, Onsite
  • Industry
    Internet, IT, Telecommunication

    • Dev Reviews

    by devworkplaces.com

    Total

    (1 Review)
    3.5

    • Career Growth

      3.4

    • Workingconditions

      4.4

    • Engineering

      2.7

    • Culture

      3.5
    Show All Dev Reviews
    Logo 1&1 Internet AG

    Specialist Software Engineer Managed Kubernetes

    1&1 Internet AG
    Location
    Berlin
    Working Model
    Hybrid, Onsite
    Diversity
    Open for all genders

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