Senior Software Engineer (YDB Team)
Nebius
Hirezar Summary for South African Applicants
This fully remote full time position at Nebius is open worldwide, so South Africans can apply. This role is suited for senior-level professionals. As a remote position, you can work from anywhere in South Africa — whether you're based in Johannesburg, Cape Town, Durban, or a smaller town.
Job Description
AboutNebius:Nebiusis 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.
AboutNebius:
Nebiusis 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 roleThe YDB Development Team atNebiusis looking for Mid and Senior Software Developer with a strong expertise in C++.YDB is an open-source product that serves two main purposes withinNebius:Ascalable and reliable binary object storage foundationpowering S3 Object Storage, Filestore, Network Block Storage Tailored to process AI- related WorkloadsAdistributed relational database and message brokersupportingNebiuscloud operations such as IAM, Billing, Audit Trails and LoggingHow You Will Change the World with UsAdapt YDB to leverage modern hardware to its fullest potential: QLC NVMe drives, Dual 800Gb/s network adapters, BlueField DPUsMaximize performance on widely used devices such as HDDs and TLC NVMeReengineer YDB components with more efficient algorithms to solve complex system challengesRequirements5+ years of experience in C/C++ programming for highly loaded systemsUnderstanding of core dumps, flamegraphs, and sanitized buildsExperience developing high-performance, low-latency componentsUnderstanding of CPU caches, Modern CPU atomic operations and NUMA architecturesNice to HaveExperience with on-disk data structures (LSM trees, B+ trees)Hands-on experience with debugging and profiling tools such as perf, VTune, bpftrace, gdbKnowledge of storage-related algorithms (erasure coding, checksumming)Understanding of storage device internals (NVMe, HDD)Familiarity with Linux kernel, SPDK/DPDK, libaio, io_uringKnowledge of networking concepts and protocols (IP, TCP, UDP, DNS, ideally InfiniBand, RoCE/RDMA)Experience with Kubernetes and GrafanaTrack record of active participation in incident resolutionExperience designing production-grade distributed storage componentsKnowledge of availability and durability calculationsWe conduct coding interviews as part of the process.
The role
The YDB Development Team atNebiusis looking for Mid and Senior Software Developer with a strong expertise in C++.YDB is an open-source product that serves two main purposes withinNebius:Ascalable and reliable binary object storage foundationpowering S3 Object Storage, Filestore, Network Block Storage Tailored to process AI- related WorkloadsAdistributed relational database and message brokersupportingNebiuscloud operations such as IAM, Billing, Audit Trails and LoggingHow You Will Change the World with UsAdapt YDB to leverage modern hardware to its fullest potential: QLC NVMe drives, Dual 800Gb/s network adapters, BlueField DPUsMaximize performance on widely used devices such as HDDs and TLC NVMeReengineer YDB components with more efficient algorithms to solve complex system challengesRequirements5+ years of experience in C/C++ programming for highly loaded systemsUnderstanding of core dumps, flamegraphs, and sanitized buildsExperience developing high-performance, low-latency componentsUnderstanding of CPU caches, Modern CPU atomic operations and NUMA architecturesNice to HaveExperience with on-disk data structures (LSM trees, B+ trees)Hands-on experience with debugging and profiling tools such as perf, VTune, bpftrace, gdbKnowledge of storage-related algorithms (erasure coding, checksumming)Understanding of storage device internals (NVMe, HDD)Familiarity with Linux kernel, SPDK/DPDK, libaio, io_uringKnowledge of networking concepts and protocols (IP, TCP, UDP, DNS, ideally InfiniBand, RoCE/RDMA)Experience with Kubernetes and GrafanaTrack record of active participation in incident resolutionExperience designing production-grade distributed storage compone
Tips for South African Applicants
Timezone Advantage
South Africa (SAST, UTC+2) overlaps well with European business hours and has a few hours of overlap with US East Coast. Mention your timezone flexibility in your application.
Salary in Context
Even without a listed salary, international remote roles typically pay 2-3x more than equivalent local positions in South Africa due to the exchange rate advantage.
Application Tips
Tailor your CV to international standards — use a clean format, highlight remote work experience, and include your English proficiency. Many SA applicants succeed by emphasising their strong work ethic and cultural adaptability.
Load Shedding Preparedness
If you're applying for a remote role, having a backup power solution (UPS, inverter, or generator) and mobile data as a backup internet connection shows employers you're prepared for South Africa's infrastructure challenges.
Related remote job searches
About Nebius
Nebius is a company in the Developer industry that hires remote workers from South Africa.