Founding Research Engineer Rl Reasoning Jobs in San Francisco, CA

…a fast-moving startup environment where research, engineering, product, and customer needs all intersect.

About the Team The RL and Reasoning team drives the core reasoning paradigm and has created groundbreaking innovations such as o1 and o3

As a Research Engineer on the team, you'll work at the center of RL at Anthropic.

…role: We’re looking for a founding Research Engineer to study how AI agents behave in production.

This role sits squarely across research and engineering.

Lead discussions on research – reading group. Work directly with the ex-research CEO. Future: Manage a team of research engineers.

Research Engineer Greptile is an AI code reviewer that catches bugs and anti-patterns in pull requests with complete context of the codebase.

…idler is a frontier data research lab.

research for large language models Building scalable RL infrastructure and training methodologies Enhancing model reasoning capabilities

About the Role We’re hiring research scientists, research engineers, and AI systems engineers

Role We're hiring an early-career Founding AI/ML researcher to join our core team and help build agents that reason, plan, and execute complex workflows

You'll work in the RL codebase and the infrastructure underneath it, alongside the engineers and researchers who build and use it.