Senior Software Engineer (Backend)

Nebius • New York City, NY

1d

About The Position

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.
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.

Requirements

• 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

Nice To Haves

• 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)

Responsibilities

• 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

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.
• 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.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed