Kubernetes Engineer (Controllers / CRDs / Go)

Job Description



Kubernetes Engineer (Controllers / CRDs / Go)

As a Kubernetes Engineer, you will join the client’s engineering team, working closely on the development of an internal platform built on top of Kubernetes. The platform is a core part of the client’s infrastructure, designed to provide internal capabilities similar to a lightweight cloud platform.

In this role, your primary focus will be on building and maintaining Kubernetes-native components using Go, with a strong emphasis on custom controllers and Custom Resource Definitions (CRDs). You’ll collaborate with the team of engineers to design, implement, and improve the platform’s core building blocks. Strong hands-on experience with Kubernetes internals is essential, as Kubernetes is not just part of the stack - it is the foundation of the product itself.

The client operates in the gaming industry, and this is a great opportunity for someone who enjoys solving platform-level engineering challenges in a highly technical environment.

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Location:

Serbia (remote)

Employment Type

B2B

Responsibilities

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• Design, develop, and maintain Kubernetes-native platform components using Golang
• Build and extend Kubernetes controllers/operators to support internal platform capabilities
• Define and work extensively with Custom Resource Definitions (CRDs)
• Contribute to the development of an internal platform built on Kubernetes, focused on infrastructure automation and self-service capabilities
• Participate in technical discussions around platform design, scalability, reliability, and maintainability
• Troubleshoot, debug, and optimize Kubernetes-based systems and custom platform components
• Write clean, maintainable, and well-documented code following engineering best practices
• Support the continuous improvement of development workflows, code quality, and platform stability
• This is a contractor-only position
• The position is full remote, open to candidates across Serbia
  
  

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To Excel In This Role, You Will Need

• 3+ years of experience in backend or platform development using Golang
• Strong hands-on experience with Kubernetes in production environments
• Proven experience developing Kubernetes controllers/operators in Golang
• Solid experience working with Custom Resource Definitions (CRDs)
• Good understanding of Kubernetes architecture and core concepts (controllers, reconciliation loops, API machinery, etc.)
• Experience building or maintaining platform/infrastructure tooling on top of Kubernetes
• Ability to write clean, maintainable, and well-structured Go code
• Strong problem-solving skills and ability to work effectively in a collaborative engineering environment
• Full working proficiency in English
  
  

What we offer

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