Senior Software Engineer (Backend)

Nebius operates large-scale, mission-critical infrastructure. As a Senior Backend Software Engineer, you'll design, build, and operate backend services that are reliable, scalable, and performant.

Your responsibilities will include:

• Design and implement distributed backend systems
• Own services end-to-end: architecture, development, testing, deployment, and production support
• Work closely with infrastructure, SRE, and GTM teams to deliver robust solutions
• Improve system performance, reliability, and observability
• Participate in technical design discussions and mentor other engineers
• Make pragmatic trade-offs between speed, quality, and long-term maintainability
• Contribute to architectural decisions that directly impact system scalability, cost efficiency, and long-term platform evolution

• 5+ years of experience building backend systems in production
• Strong proficiency in Python (Go is a strong plus)
• Experience with distributed systems and high-throughput services
• Solid understanding of data structures, algorithms, and system design
• Hands-on experience with databases (SQL, MongoDB, PostgreSQL, NoSQL)
• Experience working in Linux environments
• Ability to debug complex production issues
• A track record of owning systems in production and making sound technical decisions under real-world constraints

It will be an added bonus if you have:

• Experience with cloud platforms or infrastructure-level systems
• Knowledge of Kubernetes, containers, or service meshes
• Background in performance optimization or low-latency systems
• Familiarity with observability tools (metrics, logging, tracing)

Key employee benefits:

• Health insurance: 100% company-paid medical, dental, and vision coverage for employees and families.
• 401(k) plan: up to 4% company match with immediate vesting.
• Parental leave: 20 weeks paid for primary caregivers, 12 weeks for secondary caregivers.
• Remote work reimbursement: up to $85/month for mobile and internet.
• Disability & life insurance: company-paid short-term, long-term and life insurance coverage., We offer competitive salaries, ranging from $140k- $200k base + quarterly performance bonuses.

Join Nebius Today!

What we offer

• Competitive salary and comprehensive benefits package.
• Opportunities for professional growth within Nebius.
• Flexible working arrangements.
• A dynamic and collaborative work environment that values initiative and innovation.

Nebius is leading a new era in cloud computing to serve the global AI economy. We create the tools and resources our customers need to solve real-world challenges and transform industries, without massive infrastructure costs or the need to build large in-house AI/ML teams. Our employees work at the cutting edge of AI cloud infrastructure alongside some of the most experienced and innovative leaders and engineers in the field. Where we work Headquartered in Amsterdam and listed on Nasdaq, Nebius has a global footprint with R&D hubs across Europe, North America, and Israel. The team of over 1400 employees includes more than 400 highly skilled engineers with deep expertise across hardware and software engineering, as well as an in-house AI R&D team.