Senior Software Engineer, Observability

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.

Nebius is hiring a Senior Software Engineer to design, build, and own backend systems that power metrics, monitor large-scale infrastructure, and develop a comprehensive infrastructure maintenance platform. This role requires strong production experience, sound system design judgment, and the ability to operate and improve critical services.
Design and build services and agents that provide deep visibility into large-scale server fleets and data center engineering systems
Evolve metrics, aggregation, and alerting pipelines, with a focus on signal quality and reliability
Design and operate maintenance and remediation systems that enable safe, predictable fleet-wide changes and keep infrastructure healthy
Investigate production incidents hands-on, including on-host Linux debugging, and drive root-cause fixes
Collaborate closely with hardware, networking, and data center operations teams to improve reliability

5+ years of professional software engineering experience
Strong production experience with Python and Go, or the ability to ramp up quickly
Solid Linux fundamentals and comfort debugging live systems
Ability to write reliable, maintainable code and dig into complex, ambiguous problems
Experience building and operating production systems at scale
Ubuntu experience, including internal tooling and packaging workflows (e.g., building Debian packages)
CCNA (Cisco Certified Network Associate) or equivalent networking experience