Senior ML Engineer (AI Research/ Portability)

Nebius is seeking a Senior ML Engineer for their AI R&D team to focus on applied research in AI portability. You will design and build research prototypes and robust systems that ensure intelligent agent systems work reliably across changing models, providers, and environments. This role involves formulating research questions, developing evaluation methods, and translating promising results into reusable components.

• Design and build research prototypes for AI portability
• Ensure intelligent agent systems work reliably across heterogeneous systems
• Formulate research questions and develop evaluation methods
• Translate promising research results into reusable components
• Collaborate with research, infrastructure, security, product, and engineering teams
• Deep expertise in machine learning, LLMs, or statistical decision-making