Senior Software Engineer (Storage Virtualization Team)

About Nebius:

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.

The role

We’re looking for a Senior Backend Engineer to join our Storage Virtualization Team, building a distributed, fault-tolerant storage system for Nebius’ hyperscaler cloud. You’ll work on high-performance block and filesystem storage that delivers sub-millisecond latency, millions of IOPS and terabytes per second of throughput, even in the face of hardware failures.

What You’ll Work On:

Virtualization: virtio-blk and virtio-fs, QEMU and vhost-user, performance-critical I/O paths

Networking: high-throughput VM-to-storage transport over TCP and RoCEv2 (RDMA)

Storage systems: replication, consensus, self-healing, and data migration

What We Expect:

6+ years of professional software engineering experience

Strong knowledge of C++

Solid understanding of algorithms and data structures

Basic knowledge of operating system internals (I/O, memory, scheduling)

Ability to write reliable, maintainable code and debug complex systems

Team-oriented mindset and fluency in English

We conduct coding interviews as part of the process.

Benefits & Perks:

Competitive compensation

Career growth and learning opportunities

Flexibility and ownership

Collaborative and innovative culture

Opportunity to work on impactful AI projects

International environment and talented teams

What's it like to work at Nebius:

Fast moving - Bold thinking - Constant growth - Meaningful impact - Trust and real ownership - Opportunity to shape the future of AI

Equal Opportunity Statement:

Applicants must be authorized to work in the country in which they apply and will be required to provide proof of employment eligibility as a condition of hire.

If you need accommodations during the application process, please let us know.