INTERNSHIP DETAILS

AI Researcher (Early Talent)

CompanyNebius
LocationBerlin
Work ModeRemote
PostedMarch 30, 2026
Internship Information
Core Responsibilities
Responsibilities include assisting in designing and running experiments to train LLMs, analyzing results, and writing/maintaining code for data processing and model evaluation. The role also requires collaboration on new reinforcement learning methods for agents.
Internship Type
full time
Company Size
1078
Visa Sponsorship
No
Language
English
Working Hours
40 hours
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About The Company
The Nebius AI Cloud brings powerful full-stack infrastructure for AI developers and practitioners across startups, enterprises and science institutes to build and deploy generative AI applications and rapidly deliver scientific breakthroughs by training and running ML models within a secure, high-performance, and cost-optimized cloud environment.
About the Role

Why work at Nebius
Nebius is leading a new era in cloud computing to serve the global AI economy. We create the tools and resources our customers need to solve real-world challenges and transform industries, without massive infrastructure costs or the need to build large in-house AI/ML teams. Our employees work at the cutting edge of AI cloud infrastructure alongside some of the most experienced and innovative leaders and engineers in the field.

Where we work
Headquartered in Amsterdam and listed on Nasdaq, Nebius has a global footprint with R&D hubs across Europe, North America, and Israel. The team of over 1400 employees includes more than 400 highly skilled engineers with deep expertise across hardware and software engineering, as well as an in-house AI R&D team.

The Role

We are opening a 3–6 month Early Career program within our AI R&D team. You will work alongside experienced researchers to solve challenges in LLMs, reinforcement learning, and agentic systems.

We are looking for Early talents to support research in:

  • Reinforcement learning for agents and reasoning models
  • Building reinforcement learning environments
  • Efficient model distillation and evaluation

Your responsibilities will include:

  • Assist in designing and running experiments to train LLMs and speculators for them
  • Help analyze experimental results and document findings
  • Write and maintain code for data mining, processing, and model evaluation
  • Collaborate with the team to explore new methods in the selected research direction
  • Participate in technical discussions and discuss future steps of research
  • Advanced methods for efficient speculative decoding
  • Inference optimization techniques

We expect you to have:

  • Strong knowledge of computer science and machine learning fundamentals
  • Experience with Python and familiarity with deep learning frameworks
  • Ability to write clean, efficient code
  • Strong problem-solving skills and a willingness to learn quickly
  • Good communication skills in English
  • Permitted to work in the job’s location

Nice to have:

  • Previous experience with NLP/reinforcement learning/AI agents projects
  • Familiarity with current LLM concepts
  • Enrollment in or completion of a degree in Computer Science, AI, or a related field
  • Contributions to open-source projects

What we offer

  • Competitive salary and comprehensive benefits package
  • Mentorship from experienced AI, ML, and cloud infrastructure professionals
  • Hands-on experience with real customer workloads and production systems
  • Remote work flexibility and a collaborative, supportive team environment
  • Opportunity to be considered for a full-time role after the Early Talent Program

We’re growing and expanding our products every day. If you’re up to the challenge and are excited about AI and ML as much as we are, join us!

What we offer 

  • Competitive salary and comprehensive benefits package.
  • Opportunities for professional growth within Nebius.
  • Flexible working arrangements.
  • A dynamic and collaborative work environment that values initiative and innovation.

We’re growing and expanding our products every day. If you’re up to the challenge and are excited about AI and ML as much as we are, join us!

Key Skills
Computer ScienceMachine LearningPythonDeep Learning FrameworksCode WritingProblem-SolvingCommunicationEnglishNLPReinforcement LearningAI AgentsLLMsData MiningModel Evaluation
Categories
Science & ResearchEngineeringSoftwareData & AnalyticsTechnology
Benefits
Competitive salaryComprehensive benefits packageMentorshipHands-on experience with real customer workloads and production systemsRemote work flexibilityCollaborative, supportive team environmentOpportunity to be considered for a full-time role after the Early Talent ProgramOpportunities for professional growthFlexible working arrangements