Agency & Reasoning Research Engineer (RL/LLM)

Bison; San Francisco (CA); On-site; USD 150,000 - 210,000; Full time

Benefits offered by this job

Medical benefits

Dental benefits

Vision benefits

FSA plans

Relocation support

401(k) plan

In-office meals

Unlimited PTO

Team events in SF

Job summary

Zyphra, a San Francisco-based AI company, seeks a Research Engineer - Agency and Reasoning to join its core team. You will conduct novel research in reinforcement learning, post-training, and human preference learning, applying your ideas to next-generation language models at scale.

This role requires rapid experimentation, strong prototyping, and excellent collaboration, with impact across research and production-scale implementations.

Qualifications

• Postgraduate degree in CS/EECS/Math/Physics or related field.
• Strong research taste with ability to take ideas from concept to execution.
• Excellent prototyping and implementation skills.
• Ability to move quickly from idea to experimentation.

Responsibilities

• Conduct novel reinforcement learning research and apply ideas at scale to language models.
• Contribute to Zyphra's Agency and Reasoning Team across research and engineering work.

Skills

Reinforcement learning

Python

PyTorch

Research experience

Experimentation & prototyping

Communication & collaboration

Language model reasoning

Data engineering & synthetic data

Education

Postgraduate degree in CS/EECS/Math/Physics

Tools

Python

PyTorch

Job description

Zyphra, a San Francisco-based AI company, seeks a Research Engineer - Agency and Reasoning to join its core team. You will conduct novel research in reinforcement learning, post-training, and human preference learning, applying your ideas to next-generation language models at scale.

This role requires rapid experimentation, strong prototyping, and excellent collaboration, with impact across research and production-scale implementations.