Meta
AI Research Scientist, Pre-training Data - MSL FAIR
$184K–$257K
Menlo Park, CA · Full-time · Posted Nov 26, 2025
- Experience
- 2+ years of industry research experience in LLM/NLP or related AI/ML models.
- Education
- Bachelor's degree in Computer Science, Computer Engineering, relevant technical field, or equivalent practical experience; PhD in Computer Science or a related technical field.
About the job
Conduct research and lead technical work on data curation systems and pipelines for Meta’s foundational LLMs across pre-training, mid-training, and post-training.
What you'll do
- Advance research on data curation, synthetic data, and overcoming data limitations.
- Architect scalable data curation systems and pipelines and improve data tooling and workflows.
- Lead complex projects and apply specialized expertise across LLM data domains.
What they ask for
- Bachelor’s degree in Computer Science, Computer Engineering, a relevant technical field, or equivalent practical experience, and a PhD in Computer Science or a related technical field.
- 2+ years of industry research experience in LLM/NLP or related AI/ML models.
- Practical experience with pre-training or mid-training data curation for large foundational models and experience with organic, synthetic, agentic, or reasoning data for LLMs.
- Experience leading major technical initiatives with cross-functional impact and/or influencing strategy across multiple teams.
Nice to have
- Multiple first-author publications at leading peer-reviewed conferences and/or significant industry influence in AI.
- Hands-on experience with PyTorch, SQL, and large-scale data handling; familiarity with Spark and Hive.
Pay
$184,000/year to $257,000/year (base salary)
Tools
PyTorch, SQL, Spark, Hive
AI focus
Research and develop data curation for frontier LLMs, including synthetic, agentic, and reasoning data, across pre-training, mid-training, and post-training.
Model-written summary · the original posting is authoritative