5 days ago
Amsterdam, NetherlandsStaff+
Responsibilities
- Design, implement, and operate core runtime services for serving search queries at scale.
- Build and optimize query processing, retrieval orchestration, and response assembly under strict latency budgets.
- Develop systems that maintain performance and predictability under high load.
- Optimize CPU, memory, and data access patterns in performance-critical paths.
- Ensure reliability, observability, and predictability across production services.
- Define observability primitives including structured logs, metrics, traces, and latency breakdowns.
- Monitor throughput, latency, and resource usage while improving performance and cost efficiency.
- Collaborate with indexing and ML teams to integrate retrieval and ranking components.
- Support experimentation through controlled rollouts and rigorous benchmarking.
Requirements
- 8+ years of experience as a software engineer working on production backend systems.
- Strong hands-on expertise in C++ or Rust for real-world, high-load services.
- Experience building and operating high-load, low-latency user-facing systems handling thousands of requests per second.
- Understanding of systems-level performance across CPU, memory, networking, and data access.
- Experience deploying, debugging, operating, and rolling back production code.
- Ability to reason end-to-end about request flows and balance correctness, latency, and development velocity.
- Strong cross-functional collaboration and communication skills.
- Coding interviews are part of the hiring process.
- Preferred experience includes DBMS internals, cloud infrastructure, high-load web applications, large-scale APIs, performance-critical systems, low-level performance tuning, open-source contributions, competitive programming, CTF participation, SHAD or similar programs, conference talks, or technical publications.
Benefits
- Competitive compensation.
- Career growth and learning opportunities.
- Flexibility and ownership.
- Collaborative and innovative culture.
- Opportunity to work on impactful AI projects.
- International environment with talented teams.
About Nebius
Nebius builds a full-stack AI cloud offering GPU compute, storage, and tools for training and deploying ML models for startups, enterprises, and research labs. It sells consumption-based cloud infrastructure (IaaS/PaaS) and managed services tailored to generative AI workloads, including large-scale model training and inference. The company is headquartered in Amsterdam and operates as an independent provider.