Senior ML Engineer (Agentic Search) at Nebius | Amsterdam, NH, NL | Rezi

Senior ML Engineer (Agentic Search) at Nebius

Senior ML Engineer (Agentic Search)

Nebius · Amsterdam, NH, NL

3 weeks ago

Senior ML Engineer (Agentic Search)

Nebius · Amsterdam, NH, NL

23 days ago
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About the Role

Develop and deploy machine learning models for an agent-native search platform, powering retrieval, ranking, and indexing at scale for AI systems. This high-impact role tackles challenges comparable to large-scale web search on a production system used 24x7.

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

Requirements

  • 5+ years of experience in software engineering or applied machine learning
  • Strong programming skills in Python, Go, or C++
  • Proven experience deploying ML models in production systems
  • Hands-on experience with retrieval, ranking, recommendation, or similar ML problems
  • Strong understanding of machine learning and modern deep learning techniques
  • Experience working with large-scale data systems and high-throughput environments
  • Ability to design evaluation frameworks and define meaningful model metrics
  • Product-oriented mindset with a focus on impact and iteration
  • Strong problem-solving skills and ability to work in a distributed team

Skills

  • Python
  • Go
  • C++
  • Machine Learning
  • Deep Learning
  • Retrieval
  • Ranking
  • Recommendation Systems
  • Large-scale data systems
  • High-throughput environments
  • Evaluation frameworks
  • Search systems
  • Information retrieval
  • Embeddings
  • Transformers
  • NLP
  • LLM-integrated systems
  • Agent-based systems

Location

  • Amsterdam

Work Type

  • Full-time

Experience Level

  • Senior

Benefits

  • Competitive compensation
  • Career growth and learning opportunities
  • Flexibility and ownership
  • Collaborative and innovative culture
  • Opportunity to work on impactful AI projects
  • International environment and talented teams

About the Company

  • Nebius is leading a new era in cloud infrastructure for the global AI economy, building a full-stack AI cloud platform that supports developers and enterprises from data and model training through to production deployment.
  • Built by engineers, for engineers, Nebius addresses challenges across compute, storage, networking, and applied AI.
  • Listed on Nasdaq (NBIS) and headquartered in Amsterdam, Nebius has a global footprint with R&D hubs across Europe, the UK, North America, and Israel.
  • The team of 1,500+ includes hundreds of engineers with deep expertise across hardware, software, and AI R&D.

Equal Opportunity

  • Nebius is an equal opportunity employer committed to fostering an inclusive and diverse workplace.
  • We provide equal employment opportunities in all aspects of employment, without discrimination based on race, color, religion, sex (including pregnancy), national origin, ancestry, age, disability, genetic information, marital status, veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by applicable law.
  • Applicants must be authorized to work in the country in which they apply and will be required to provide proof of employment eligibility as a condition of hire.
  • If you need accommodations during the application process, please let us know.