Senior Software Engineer, Observability

<div class="content-intro"><p><strong>About Nebius:</strong></p> <p>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.</p> <p>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.</p> <p>Listed on Nasdaq (NBIS) and headquartered in Amsterdam, we have a global footprint with R&amp;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&amp;D.</p></div><p><strong>The Role</strong></p> <p>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.</p> <p><strong>Your responsibilities will include: </strong></p> <ul> <li>Design and build services and agents that provide deep visibility into large-scale server fleets and data center engineering systems</li> <li>Evolve metrics, aggregation, and alerting pipelines, with a focus on signal quality and reliability</li> <li>Design and operate maintenance and remediation systems that enable safe, predictable fleet-wide changes and keep infrastructure healthy</li> <li>Investigate production incidents hands-on, including on-host Linux debugging, and drive root-cause fixes</li> <li>Collaborate closely with hardware, networking, and data center operations teams to improve reliability</li> </ul> <p><strong>What we expect you to have:</strong></p> <ul> <li>5+ years of professional software engineering experience</li> <li>Strong production experience with Python and Go, or the ability to ramp up quickly</li> <li>Solid Linux fundamentals and comfort debugging live systems</li> <li>Ability to write reliable, maintainable code and dig into complex, ambiguous problems</li> <li>Experience building and operating production systems at scale</li> </ul> <p><strong>It will be an added bonus if you have:</strong></p> <ul> <li>Ubuntu experience, including internal tooling and packaging workflows (e.g., building Debian packages)</li> <li>CCNA (Cisco Certified Network Associate) or equivalent networking experience&l