Senior ML Engineer for Agentic Search & Retrieval at Scale

Remote Worker LTD.; United States; Remote; USD 150,000 - 190,000; Full time

Benefits offered by this job

Competitive pay

Career growth

Flexibility

Collaborative culture

Impactful AI projects

International environment

Job summary

Nebius is hiring a Senior ML Engineer to join a fast-growing team building an agent-native search platform for AI systems. You will design, train, and deploy models powering retrieval, ranking, and indexing at scale, enabling AI systems to access fresh information in real time.

This production system runs 24x7 and requires strong software engineering and ML skills, with collaboration across engineering teams to deploy models into production and optimize latency, quality, and cost.

Qualifications

• 5+ years of software engineering or applied ML experience.
• Strong Python/Go/C++ programming skills.
• Experience deploying ML models to production.
• Experience with retrieval, ranking or similar ML problems.
• Familiarity with large-scale data systems.
• Ability to design evaluation frameworks and metrics.
• Product-oriented mindset with impact and iteration.
• Strong problem solving in distributed teams.

Responsibilities

• Design, train, and deploy ML models for retrieval, reranking, and search relevance in production
• Build and optimise embedding-based indexing and large-scale retrieval systems
• Develop models supporting 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, including high-throughput query workloads
• Collaborate closely with engineering teams to integrate ML models into production services
• Analyse performance trade-offs across latency, quality, and cost
• Experiment with and apply state-of-the-art techniques in search, retrieval, and LLM-integrated systems
• Contribute to product and architectural decisions in a fast-moving environment

Skills

5+ years exp

Python

Go

C++

ML deployment

Retrieval

Large-scale data

Evaluation metrics

Product mindset

Distributed teams

Job description

Nebius is hiring a Senior ML Engineer to join a fast-growing team building an agent-native search platform for AI systems. You will design, train, and deploy models powering retrieval, ranking, and indexing at scale, enabling AI systems to access fresh information in real time.

This production system runs 24x7 and requires strong software engineering and ML skills, with collaboration across engineering teams to deploy models into production and optimize latency, quality, and cost.