poolside

Member of Engineering (Synthetic Data Research)

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7 months ago
Remote, United StatesSenior

Responsibilities

  • Track current research, open-source datasets, and models related to LLMs and synthetic data generation.
  • Design and implement complex, cost-efficient pipelines that generate diverse, high-quality datasets at scale.
  • Collaborate cross-functionally to ensure experiments and generated data use compute and time efficiently.
  • Measure and refine dataset quality and validate data strategies through quantitative ablation experiments.
  • Lead original, time-bounded research initiatives and deploy technical engineering solutions into production.

Requirements

  • Strong machine learning and engineering background with experience working with LLMs and how they learn.
  • Knowledge of data ablations, scaling laws, post-training techniques, and training reasoning and agentic models.
  • Experience generating synthetic datasets at scale while optimizing quality, correctness, diversity, and cost.
  • Experience with model capability evaluations covering areas such as knowledge, reasoning, mathematics, coding, and long context.
  • Experience building trillion-scale pre-training datasets and knowledge of curation, deduplication, data mixing, tokenization, curriculum, and data repetition.
  • Excellent Python programming skills and strong prompt-engineering skills.
  • Experience with large-scale GPU clusters and distributed data pipelines.
  • Research experience and the ability to discuss recent papers in technical detail.
  • Preferred qualifications include scientific publications in applied deep learning, LLMs, or source-code generation, and formal machine learning, mathematics, or computer science training.

Benefits

  • Fully remote work with flexible hours.
  • 37 days per year of vacation and holidays.
  • Health insurance allowance for the employee and dependents.
  • 16 weeks of flexible, fully paid parental leave.
  • Company-provided equipment.
  • Well-being, continuous-learning, and home-office allowances.
  • Frequent team gatherings and a diverse, inclusive, people-first culture.
  • The distributed team meets in Paris monthly for three days, with a lower cadence discussable for people based in PST, plus annual off-sites.

Tech Stack

Categories

AI ResearchML Engineering
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About poolside

201-500 employees
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