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Post-Training Research Scientist

San Francisco💼 Full-time🗓 2026-03-17 → 2026-09-25

Core

Pursue open research problems at the intersection of post-training methodology and performant inference, translating findings into production systems for AI companies.

Role type

Senior IC post-training research scientist

Builds

Production inference systems and research outputs for AI companies

Domain

AI/ML, post-training, inference optimization

Deliverable

production ML models

Required skills

post-training methodology, performant inference, experimental design, large-scale model training, research agenda definition, customer requirement translation, top-tier publication record, open-source contributions

Preferred skills

interpretability, RL, systems, training methodology, startup environment adaptability, community building

Technologies

multi-node clusters, trillion parameter models, neural KV cache

Responsibilities

Define and execute a research agenda spanning foundational and applied work; Design and run rigorous experiments at meaningful scale; Collaborate with customers to translate requirements into research problems; Publish at top venues; Bridge research findings with inference production systems; Mentor junior researchers

Seniority

Senior, hands-on IC with mentorship responsibilities

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