Senior Software Engineer (Token Factory)

About Nebius

Nebius is leading a new era in cloud infrastructure for the global AI economy, building a full-stack AI cloud platform. Listed on Nasdaq (NBIS) and headquartered in Amsterdam, with a global footprint across Europe, the UK, North America and Israel.

The Role

This role is for Nebius AI R&D, a team focused on applied research and the development of AI-heavy products, including Nebius Token Factory — an inference and fine-tuning platform for AI models. This role requires expertise in distributed systems to build a large-scale LLM training platform.

Your Responsibilities

• Designing and developing the LLM training platform.
• Maintaining ML infrastructure, ensuring optimal performance, scalability and reliability.
• Improving job scheduling strategies to minimize resource fragmentation.

We Expect You to Have

• 5+ years of professional software development experience.
• Strong software engineering skills (mostly Python and Go).
• Proficiency in contemporary software engineering approaches, including CI/CD, version control and unit testing.
• Experience developing web services.

Nice to Have

Previous experience with language models or NLP technologies, a track record building products in a dynamic startup-like environment, and experience with large distributed systems or high-load web services.