Open Source Software Engineer (mid/senior) - kcp (CNCF Sandbox Project) (f,m,d)

We are a remote-first company shaping the future of developer platforms with the kcp project. This role involves developing and maintaining Kubernetes controllers and operators that power multi-tenant platforms at scale. You'll contribute to a project that supports one million workspaces across various initiatives and be engaged with the CNCF community.

• Develop and maintain upstream kcp projects under the CNCF umbrella
• Design and implement Kubernetes controllers and operators
• Write secure, well-tested, and performant code
• Implement CI/CD automation and end-to-end testing workflows
• Engage with the CNCF community and contribute to roadmap discussions
• Represent Kubermatic's values in public communications
• Participate in code reviews

• Real-world experience building Kubernetes controllers and operators
• Proven ability to write clean, maintainable, and efficient code for cloud infrastructure
• Comfort with container technologies and cloud-native architectures
• Ability to articulate complex technical and architectural problems
• Excellent English communication skills
• Track record of contributions to open source projects in the cloud-native space
• Experience with CNCF projects or Kubernetes ecosystem tools

• Competitive salary
• B2B contracts available with annual paid time off
• Remote-first: work from anywhere in Europe
• Dynamic yet laid-back team environment
• Regular hackathons and company offsite meetings
• Best-in-class development tools
• Support for training and certifications
• Access to certified courses and information about Kubernetes ecosystem
• Speaker support for events
• Active community involvement