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Meta

Postdoctoral Researcher (PhD) - FAIR - Core Learning

Meta · AI Research, Artificial Intelligence

Paris

Machine learningLLM / GenAI

Last seen 1h ago

Posted
1mo ago

Posted on 16 August 2026

Workplace
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Salary
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Meta's Fundamental AI Research (FAIR) organization is seeking a postdoctoral researcher to drive advancements in generative models, with a particular focus on Reinforcement Learning in large language models (LLMs) and/or formal math (Lean).Responsibilities

Innovate, lead, and execute pioneering research to push the state-of-the-art in generative models and LLM performance

Systematically perform independent research, quickly adapting to new developments in the field

Directly contribute to the experimental process, including designing details, implementing reusable code, running evaluations, and organizing results

Contribute to publications, open-sourcing initiatives, and mentor other team members

Ensure effective cross-functional collaboration

Minimum Qualifications

Currently possess or be pursuing a PhD in Computer Science, Mathematics, or a similar quantitative discipline

Demonstrated experience with training, fine-tuning, and experimentation on foundation models beyond black-box usage

Must be able to obtain and maintain work authorization in the country of employment

Preferred Qualifications

Expertise in RL for LLMs and/or Lean (formal mathematics)

Holds first-author publications at peer-reviewed AI conferences (e.g., NeurIPS, ICML, ICLR)

About Meta

Meta concentrates its European engineering in Dublin, London and Paris, working on infrastructure, AI and core product. Headcount has been volatile since 2022, so treat the size of the board as a snapshot rather than a trend.

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