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 envi