Senior ML Engineer (Agentic Search)

Join Nebius as a Senior ML Engineer to build and deploy machine learning models for an agent-native search platform, the emerging web access layer for AI. You will tackle large-scale search challenges, optimize retrieval and indexing systems, and contribute to a production system used 24x7, impacting how AI systems access information.

• Design, train, and deploy ML models for retrieval, reranking, and search relevance
• Build and optimize embedding-based indexing and large-scale retrieval systems
• Develop models for crawling, data selection, and content understanding
• Define and improve quality metrics for agent-native search and build evaluation pipelines
• Work on systems operating at very large scale with high-throughput query workloads
• Analyze performance trade-offs across latency, quality, and cost

• Must be authorized to work without sponsorship.