Member of Technical Staff - Pre-Training Data

Posted

Reflection AISan Francisco, CAfull_timestaff

Tech Stack

Solid badges = required, outlined = preferred

Responsibilities

  • Design and implement techniques for sourcing, curating, and filtering large-scale web, text, and code data.
  • Develop data quality metrics and analyses that measure coverage, diversity, and representativeness across sources.
  • Design and run data experiments with the pre-training research team and scale data systems with infrastructure teams.
  • Investigate and mitigate data risks, including privacy, safety, and licensing concerns.
  • Evaluate dataset changes through ablations and scaling experiments to trace downstream effects on model behavior.

Soft Skills

Machine LearningData EngineeringWritten Communication

Benefits

  • Dental
  • Equity
  • Gym/Wellness
  • Health Insurance
  • Life Insurance
  • Parental Leave
  • Unlimited PTO
  • Visa Sponsorship
  • Vision

Culture

Open Source ValuesMission-DrivenFree Meals/Snacks

Requirements

Required: Bachelor’s degree or equivalent experience in Computer Science, Machine Learning, Physics, Mathematics, or a related discipline
Preferred: PhD in Computer Science, Machine Learning, Physics, Mathematics, or a related discipline
Regions: Us

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