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Senior/Tech Lead Backend Engineer (Managed Kubernetes)
ICT
💰 Salary Not shared
📊 Market 6,000 GBP–9,000 GBP/mo (72,000 GBP–108,000 GBP/yr)
About the Company
Nebius is leading a new era in cloud infrastructure for the global AI economy. We are building a full-stack AI cloud platform that supports developers and enterprises from data and model training through to production deployment, without the cost and complexity of building large in-house AI/ML infrastructure. Built by engineers, for engineers. From large-scale GPU orchestration to inference optimization, we own the hard problems across compute, storage, networking and applied AI. Listed on Nasdaq (NBIS) and headquartered in Amsterdam, we have a global footprint with R&D hubs across Europe, the UK, North America and Israel. Our team of 1,500+ includes hundreds of engineers with deep expertise across hardware, software and AI R&D. Nebius Managed Kubernetes (mk8s) mission is to grow the Nebius cloud platform by providing a Kubernetes-native way to run AI systems with high efficiency and low operational overhead. With a single click, it provides a Kubernetes cluster on top of Nebius services for compute (VMs) and networking. In 2026, the service is scaling 10 and is expected to manage customer workloads across tens of thousands of GPU servers in more than 10 data centers.
About the Role
You will lead the mk8s Core team, one of three mk8s teams. The Core team owns the API, the core of the service control plane, cluster autoscaling, platform integrations, and running k8s add-ons. At Nebius, team leads are hands-on. We expect you to be a senior or staff engineer now (or earlier in your career). You will start as an individual contributor to gain context, then take on managerial responsibilities.
Responsibilities
- ● Lead by example. Set the quality bar by spending a significant portion of your time on IC work: writing and reviewing code, leading projects, and participating in on-call rotation, incident mitigation, and post-incident analysis.
- ● Manage 4-8 mid-to-senior engineers. Provide context, coach, and give regular feedback.
- ● Maintain the technical vision for your area of responsibility.
- ● Collaborate with the Product Manager and Service Owner to shape product vision and plans.
- ● Optimize the service control plane to create and manage 20K GPU nodes in a single Kubernetes cluster, enabling a major contract for the company.
- ● Integrate cluster autoscaling approaches (e.g., Karpenter) to improve resource utilization and support seamless auto-upgrades.
- ● Provide a Kubernetes-native way to use local disks to reduce disk I/O bottlenecks for AI training and inference, improving efficiency.
- ● Deliver managed Layer 7 load balancers to reduce operational overhead for customers.
Requirements
- ● 8+ years of professional software engineering or management experience
- ● Excellent knowledge of Golang, or you are ready to quickly switch to this programming language
- ● Expertise with multi-month technical projects, tech leading engineers, and owning multi-month technical projects.
- ● Experience with Team management (added bonus)
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