Senior Software Engineer (YDB Team)
💰 $120,000 – $180,000/yrMarket estimate · not provided by the employer
At a glance
- Who can apply
- Portugal, Spain, Germany, France, Ireland, Netherlands +19 more
- Work arrangement
- Remote · Remote - Europe
- Employment type
- Full-time
- Seniority
- Senior
- Experience
- 5+ years (as stated by the employer)
- Salary
- $120,000 – $180,000/yr · market estimate
- ✓ Open to early-career candidates
Checked against the employer's source on October 19, 2026. Details come from the employer's posting; confirm them on the application page.
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Job Description
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
#LI-MM1
The YDB Development Team at Nebius is looking for Mid and Senior Software Developer with a strong expertise in C++.
YDB is an open-source product that serves two main purposes within Nebius:
- 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
How You Will Change the World with Us
- 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
- 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
- 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
We conduct coding interviews as part of the process.