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Member of Technical Staff - Pre-Training

San Francisco, CA💼 Full-time🗓 2025-10-07 → 2026-09-25

Core

Research and build solutions for large language model pre-training, focusing on algorithms, scaling laws, data processing, optimizers, and model architecture.

Role type

Senior IC machine-learning engineer (pre-training)

Builds

Open foundational models and training infrastructure

Domain

Artificial Intelligence / Large Language Models

Deliverable

production ML models

Required skills

large-scale ML, distributed training, scaling laws, data processing, deep learning frameworks, Python, software engineering for large-scale systems, ETL workflows

Preferred skills

low-level optimizations, high-level model design, navigating research vs engineering trade-offs

Technologies

PyTorch

Responsibilities

Design and run scientific experiments to advance understanding of scaling large language models and data efficiency; Implement state-of-the-art methods from the deep learning literature; Optimize the training infrastructure for efficient scaling; Lead small research projects independently while collaborating on larger initiatives; Contribute across the entire stack from low-level optimizations to high-level model design

Seniority

Senior, hands-on IC

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