AI Research Scientist: RL & Scientific Reasoning

Xterraai; San Francisco (CA); On-site; USD 120,000 - 160,000; Full time

Job summary

Xterraai, based in San Francisco, is seeking research scientists to develop innovative AI systems that reason about complex scientific problems. This role combines research and engineering, allowing you to take ownership from ideation to production.

Locally and remotely, you will focus on reinforcement learning, evaluation, and building robust training infrastructure. Ideal candidates possess strong machine learning fundamentals and experience with reinforcement learning.

Qualifications

• Strong fundamentals in machine learning, with experience training large models.
• Demonstrated experience with reinforcement learning or related fields.
• Ability to work across research and engineering.

Responsibilities

• Designing and training systems using reinforcement learning methods.
• Developing fine-grained supervision over intermediate steps.
• Building robust training pipelines and running large-scale experiments.

Skills

Machine learning fundamentals

Reinforcement learning

Distributed training debugging

Reward modeling

AI alignment techniques

Job description

Xterraai, based in San Francisco, is seeking research scientists to develop innovative AI systems that reason about complex scientific problems. This role combines research and engineering, allowing you to take ownership from ideation to production.

Locally and remotely, you will focus on reinforcement learning, evaluation, and building robust training infrastructure. Ideal candidates possess strong machine learning fundamentals and experience with reinforcement learning.