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Research Engineer, Data

*HQ - San Francisco, CA💼 Full-time🗓 2026-01-06 → 2026-07-31

Core

Design and build high-quality datasets for model training, engineer web-scale data pipelines, and develop techniques for post-training and synthetic data generation to advance frontier AI capabilities.

Role type

Senior Research Engineer (Data & Systems)

Builds

Web-scale data pipelines, high-quality multimodal datasets, and systems for annotation and evaluation

Domain

Generative AI, Large Language Models, Multimodal Systems

Deliverable

production ML models

Required skills

Large multilingual dataset construction, generative model development (speech, text, multimodal), human annotation strategy, data-centric ML, scalable systems engineering

Preferred skills

Experience with State Space Models (SSMs), model evaluation and experimentation

Technologies

Web-scale data infrastructure, annotation platforms, generative model frameworks

Responsibilities

Design and build high-quality datasets for model training, engineer web-scale data pipelines, develop techniques for post-training and synthetic data generation, run controlled modeling experiments to measure impact on model performance

Seniority

Senior, hands-on IC

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