Senior Software Engineer (YDB Team)

Prague · Remote - EuropeRemotesenior

OtherBackend EngineeringSoftware EngineerSoftware Engineering

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Quick Summary

Overview

Why work at Nebius Nebius is leading a new era in cloud computing to serve the global AI economy.

Technical Tools

OtherBackend EngineeringSoftware EngineerSoftware Engineering

What We Offer

~1 min read

✓A scalable and reliable binary object storage foundation powering S3 Object Storage, Filestore, Network Block Storage Tailored to process AI- related Workloads

✓A distributed relational database and message broker supporting Nebius cloud operations such as IAM, Billing, Audit Trails and Logging

Adapt YDB to leverage modern hardware to its fullest potential: QLC NVMe drives, Dual 800Gb/s network adapters, BlueField DPUs
Maximize performance on widely used devices such as HDDs and TLC NVMe
Reengineer YDB components with more efficient algorithms to solve complex system challenges

Requirements

~1 min read

5+ years of experience in C/C++ programming for highly loaded systems
Understanding of core dumps, flamegraphs, and sanitized builds
Experience developing high-performance, low-latency components
Understanding of CPU caches, Modern CPU atomic operations and NUMA architectures

Nice to Have

~1 min read

Experience with on-disk data structures (LSM trees, B+ trees)
Hands-on experience with debugging and profiling tools such as perf, VTune, bpftrace, gdb
Knowledge of storage-related algorithms (erasure coding, checksumming)
Understanding of storage device internals (NVMe, HDD)
Familiarity with Linux kernel, SPDK/DPDK, libaio, io_uring
Knowledge of networking concepts and protocols (IP, TCP, UDP, DNS, ideally InfiniBand, RoCE/RDMA)
Experience with Kubernetes and Grafana
Track record of active participation in incident resolution
Experience designing production-grade distributed storage components
Knowledge of availability and durability calculations