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Senior Software Engineer (YDB Team)

Nebius· Backend
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Hybrid (EU/Global)Full-timePosted 7mo ago

About the role

Senior software engineer role in Nebius YDB Development Team focusing on high-load C++ systems for a distributed storage and database platform, with open-source YDB components and multi-region deployments.

Responsibilities

  • Evolve YDB’s architecture for new hardware, redesigning core components when incremental optimization is insufficient: QLC NVMe drives, dual 800 Gb/s network adapters, NVIDIA GB300-based systems.
  • Support high-capacity SMR HDDs by designing data placement, sequential writes, garbage collection and recovery around zoned-write constraints
  • Develop wide erasure-coding schemes to reduce space amplification while maintaining durability and availability
  • Reduce recovery and rebalancing times after device outages while limiting the impact on foreground workloads
  • Prevent, detect and recover from silent data corruption across memory, networking and storage
  • Provide the system capabilities and interfaces required by fleet-wide automation so that hundreds of production clusters can be deployed, configured, upgraded, diagnosed and operated consistently
  • Move quickly to deliver practical value with production deployments in weeks

Qualifications

  • 5+ years of professional experience developing high-load systems in C or C++. Relevant distributed storage experience considered with 3+ years.
  • Experience developing high-performance, low-latency software components
  • Understanding of core dumps, flame graphs and sanitizer-enabled builds
  • Understanding of CPU caches, atomic operations and NUMA architectures

Skills

Required:C++ developmentPerformance analysisLow-latency systems
Nice to have:Distributed storage systems

Benefits

  • 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
Last updated Oct 21, 2026. Interested? Apply on the company site.
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