Software Engineer – Kubernetes Core (Remote)

About the role

BairesDev is seeking a senior Software Engineer to work on the core of Kubernetes. You will contribute directly to the upstream codebase, shaping the orchestration engine that powers modern cloud-native applications.

Key responsibilities

• Design, develop, and maintain core Kubernetes components such as the API server, scheduler, and controller manager using Go.
• Participate in Special Interest Groups (SIGs) to drive architectural improvements and new feature development.
• Implement and optimize low‑level interfaces, including the Container Runtime Interface (CRI) and Container Network Interface (CNI).
• Review community pull requests, engage in upstream technical discussions, and propose design changes.
• Debug and resolve complex distributed‑system issues within the core orchestration layer.
• Ensure stability and performance of the Kubernetes ecosystem through rigorous testing and collaboration.

Required profile

• 8+ years of software engineering experience, focused on systems programming.
• Advanced proficiency in Go (Golang) and large‑scale distributed systems.
• Proven contributions to the Kubernetes codebase or other CNCF projects.
• Deep understanding of Kubernetes internals (API server, scheduler, controllers).
• Expertise in low‑level container technologies such as CRI, CNI, and OCI runtimes.
• Advanced English communication skills.

Required skills

• Go (Golang)
• Kubernetes core components
• API server, scheduler, controller manager
• Container Runtime Interface (CRI)
• Container Network Interface (CNI)
• OCI runtimes
• Distributed systems design and debugging

What we offer

• 100% remote work from anywhere.
• Competitive compensation in USD or local currency.
• Hardware and software setup for home office.
• Flexible schedule and paid parental leave, vacations, national holidays.
• Multicultural environment with mentorship, promotions, and skill‑development opportunities.