Key Facts

Remote From:

Full time

Senior (5-10 years)

English

Hard Skills

Storage Virtualization C++ (Programming Language) Centralized Storage Systems Data Structures Debugging Data Migration Centralized Storage Systems Low Latency File Systems Memory Management Input/Output Scalability Block Storage Transactional Replication Consensus Mechanism Maintaining Code Instruction Scheduling Algorithm Analysis

Other Skills

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Teamwork
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Problem Solving
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Innovation

Roles & Responsibilities

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)

Requirements:

Develop virtualization components (virtio-blk, virtio-fs, QEMU, and vhost-user) and optimize performance-critical I/O paths
Design and implement high-throughput networking for VM-to-storage transport over TCP and RoCEv2 (RDMA)
Build storage system features including replication, consensus, self-healing, and data migration
Collaborate with cross-functional teams to deliver a fault-tolerant distributed storage system for Nebius' hyperscaler cloud

Nebius Group

About Nebius Group

Nebius Group is building one of the largest commercially available AI infrastructure businesses, based in Europe. Our core business is an AI-centric cloud platform built for intensive AI workloads. We are building full-stack infrastructure to service the explosive growth of the global AI industry, including large-scale GPU clusters, cloud platforms and tools and services for developers. Our headquarters and main R&D presence is in Amsterdam, with additional R&D and commercial hubs in Europe, North America and Israel. Our businesses operate and serve customers on four continents. Our name reflects our mission and values as a company. Combining nebula, the Latin word for cloud, with a reference to the endless Möbius strip, the name Nebius embodies our belief in the endless possibilities offered by cloud technologies. In addition to our core AI infrastructure business, we are developing three other businesses that operate under their own distinctive individual brands: • Toloka AI – a data partner for all stages of AI development from training to evaluation; • TripleTen – a leading edtech player in the US and certain other markets, re-skilling people for careers in tech; • Avride – one of the most experienced teams developing autonomous driving technology for self-driving cars and delivery robots. The group is led by Arkady Volozh, the entrepreneur and visionary co-founder of Yandex.

Founded: 2018

Company size: 1001 - 5000

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Job description

Why work at Nebius
Nebius is leading a new era in cloud computing to serve the global AI economy. We create the tools and resources our customers need to solve real-world challenges and transform industries, without massive infrastructure costs or the need to build large in-house AI/ML teams. Our employees work at the cutting edge of AI cloud infrastructure alongside some of the most experienced and innovative leaders and engineers in the field.

Where we work
Headquartered in Amsterdam and listed on Nasdaq, Nebius has a global footprint with R&D hubs across Europe, North America, and Israel. The team of over 1400 employees includes more than 400 highly skilled engineers with deep expertise across hardware and software engineering, as well as an in-house AI R&D team.

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.

What we offer

Competitive salary and comprehensive benefits package.
Opportunities for professional growth within Nebius.
Flexible working arrangements.
A dynamic and collaborative work environment that values initiative and innovation.

We’re growing and expanding our products every day. If you’re up to the challenge and are excited about AI and ML as much as we are, join us!

Ready to apply?

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