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Research Engineer, Pre-training Data - MSL FAIR

Meta· Engineering
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Menlo Park, CA$184k - $257kFull-timePosted 5mo ago

About the role

AI research engineer role focused on building data foundations for Meta's large language models within Meta Superintelligence Labs (MSL) under FAIR. Responsibilities include developing scalable data curation systems, advancing data tooling, and leading end-to-end data curation projects for pre-training, mid-training, or post-training stages across multiple domains.

Responsibilities

  • Collaborate with cross-functional teams to develop Meta’s next foundational models
  • Architect efficient and scalable data curation systems and pipelines
  • Fundamentally improve our data velocity across workflows and projects by contributing to the advancement of data tooling
  • Execute on high priority projects in pre-training, mid-training, or post-training data curation
  • Apply specialized expertise in agentic data, synthetic data, reasoning data, web parser, coding data, data scaling laws, or datamix optimization
  • Lead complex technical projects end-to-end

Qualifications

  • Bachelor's degree in Computer Science, Computer Engineering, relevant technical field, or equivalent practical experience
  • 2+ years of industry research experience in LLM/NLP or related AI/ML models
  • Experience as a formal technical lead, leading major technical initiatives with cross-functional impact, and/or influencing strategy across multiple teams
  • Practical experience with pre-training or mid-training data curation for large foundational models and experience working with organic, synthetic, agentic, or reasoning data for LLMs
  • Demonstrated data infrastructure and software background, and experience building data tooling and services
  • Published research in leading peer-reviewed conferences (e.g., NeurIPS, ICML, ICLR, ACL, EMNLP) and/or demonstrated significant industry influence in the field of AI

Skills

Required:LLM/NLP expertiseData curation toolingData pipelines

Benefits

  • In addition to base compensation, Meta offers benefits
Last updated Oct 23, 2026. Interested? Apply on the company site.

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