Research Engineer, Universes (AI)

Location: Remote-Friendly (Travel-Required) | San Francisco, CA | Seattle, WA | New York City, NY. Staff expected to be in one of our offices at least 25% of the time.

Salary: $500,000 - $850,000 USD

Company

Anthropic’s mission is to create reliable, interpretable, and steerable AI systems.

What you will do

• Build the next generation of agentic environments.
• Build rigorous evaluations that measure real capability.
• Collaborate across research and infrastructure teams to ship environments into production training.
• Debug and iterate rapidly across research and production ML stacks.
• Contribute to research culture through technical discussions and collaborative problem-solving.

Requirements

• At least a Bachelor's degree in a related field or equivalent experience.
• Strong software engineering skills and can build robust infrastructure.
• Are highly impact-driven — you care about outcomes, not activity.
• Operate with high agency.
• Have good research taste or senior technical experience, demonstrating good judgment in identifying what actually matters in complex problem spaces.
• Can balance research exploration with engineering implementation.

Nice to have

• Have industry experience with large language model training, fine-tuning or evaluation.
• Have industry experience building RL environments, simulation systems, or large-scale ML infrastructure.
• Senior experience in a relevant technical field even if transitioning domains.
• Deep expertise in sandboxing, containerization, VM infrastructure, or distributed systems.
• Published influential work in relevant ML areas.

Culture & Benefits

• Competitive compensation and benefits.
• Optional equity donation matching.
• Generous vacation and parental leave.
• Flexible working hours.
• Lovely office space in which to collaborate with colleagues.