Member of Technical Staff - Pre-Training is open at Reflectionai in San Francisco, CA. The posting gives no salary; similar roles in the United States advertise a median of $194K. Posted on Oct 7, 2025, and still on Reflectionai’s careers page when we last checked, on Nov 14, 2026.
About the role
Research and build solutions across algorithms, scaling laws, data processing, optimizers, and model architecture. - Design and run scientific experiments to advance our understanding of scaling large language models and data efficiency. - Implement state-of-the-art methods from the deep learning literature. - Lead small research projects independently while collaborating on larger initiatives - Optimize the…
The opening lines of the posting. The rest is on Reflectionai’s careers page.
Hiring at Reflectionai
Reflectionai has 45 open roles right now. Most are in Engineering, Data & Research and Security. See all its roles
