Research Engineer / Research Scientist, Post-Training

OpenAI
San Francisco, CA, USA2025-12-01

About the job

As a Research Engineer / Scientist, you will research and develop improvements to our models. Our team works in research areas combining reinforcement learning and products.

Responsibilities

Own and pursue a research agenda to improve model capability and performance.

Collaborate closely with the other research and product teams, allowing customers to optimize their own models.

Build robust evaluations for tracking modeling improvements.

Design, implement, test, and debug code across our research stack.

Qualifications

Minimum

Have a deep understanding of machine learning and machine learning applications.

Have a working knowledge of relevant models, and building evaluations for model capability improvement.

Are comfortable diving into a large ML codebase to debug.

Thrive in a dynamic and technically complex environment.

Preferred

Have a deep understanding of machine learning and machine learning applications.

Have a working knowledge of relevant models, and building evaluations for model capability improvement.

Are comfortable diving into a large ML codebase to debug.

Thrive in a dynamic and technically complex environment.