Senior Research Scientist (Architectures Research)

Company Overview

Nebius is at the forefront of a new era in cloud infrastructure for the global AI economy. They are building a robust full-stack AI cloud platform, which assists both developers and enterprises in navigating the complexities of data and model training all the way through to production deployment. Their goal is to help users avoid the significant costs and challenges associated with establishing extensive in-house AI/ML infrastructure. With headquarters in Amsterdam and listed on Nasdaq under the symbol NBIS, Nebius has over 1,500 employees worldwide across several R&D hubs in Europe, the UK, North America, and Israel.

Job Role

Nebius is looking for a Senior Research Scientist to contribute to its Architectures Research team within the AI R&D department. This role is pivotal as the team undertakes innovative applied research to elevate open-source AI for real-world applications. The main focus of this position is to explore how models can be optimized to attend, remember, reason, and adapt more effectively, thereby enhancing workflows while minimizing computational costs.

Responsibilities

The Senior Research Scientist will have several crucial responsibilities:

  • Formulate original research questions: This entails developing rigorous experimental programs based on original research inquiries.

  • Design architectural changes: Evaluate these changes at significant model scales to improve performance and functionality.

  • Develop efficient methods: Create techniques that maintain model quality while lowering training or inference costs.

  • Collaborate with engineering teams: Work with implementation teams to ensure the practical application of research ideas.

  • Publish and contribute: Share findings in research publications and contribute to open-source models, methods, and tools.

  • Mentor researchers: Provide guidance to other researchers and influence the direction of the Architectures Research stream.

Required Skills

To qualify for the Senior Research Scientist position at Nebius, candidates should possess:

  • A PhD or equivalent research experience in machine learning.
  • Deep expertise in transformers, attention mechanisms, language-model training, and modern model architectures.
  • A strong publication record or demonstratable evidence of original research contributions.
  • Skills in designing rigorous experiments and extracting clear insights from ambiguous results.
  • Proficiency in Python and modern deep-learning frameworks relevant to the industry.
  • Experience in training or evaluating models at scale is crucial.
  • Strong technical communication abilities combined with the capability to lead research independently.

Experience in specialized areas such as long-context modeling, memory systems, sparse or linear attention, model distillation, distributed training, or efficient inference will be regarded very positively.

Benefits and Perks

Nebius offers several attractive benefits and perks for their employees, including:

  • Competitive compensation: Receive a salary that reflects the skills and experience you bring to the team.

  • Career growth and learning opportunities: Work in an environment that promotes continuous professional development.

  • Flexibility and ownership: Enjoy the autonomy to drive your research and implement innovative ideas.

  • Collaborative and innovative culture: Be part of a dynamic team atmosphere where ideas are valued.

  • Impactful AI projects: Contribute to projects that aim to shape the future of AI technology.

  • Work in an international environment alongside talented professionals from various backgrounds.

Work Environment

At Nebius, employees experience a fast-moving and innovative environment characterized by bold thinking and ongoing growth. The company fosters an atmosphere that allows for meaningful impact, where individuals can exercise trust and ownership in their work. This role is offered in a backdrop where equal opportunity is deeply embedded in the company’s culture. Nebius is a proud equal opportunity employer committed to an inclusive and diverse workplace.

Important Notes

Applicants must be authorized to work in the specific country where they apply for the job and will need to provide proof of employment eligibility. Nebius also emphasizes the importance of accommodations during the application process for those who require them.

In summary, the Senior Research Scientist at Nebius represents an excellent opportunity for individuals looking to work at the intersection of advanced AI research and practical applications in a well-respected, globally-reaching company. With a focus on innovation, collaboration, and making a lasting impact, this position is designed for those who aspire to contribute significantly to the future of AI.



This job offer was originally published on jobicy.com

Nebius

UK, Europe

Data science

Full-time

August 13, 2026

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