Research Engineer / Scientist, Personality and Model Behavior

The Personality & Model Behavior team conducts research on how to shape personalities and guide the behavior of models. We think about topics such as emotional intelligence, reasoning, and how models interact thoughtfully with users. We integrate those research into the final products of OpenAI that are used by hundreds of millions of users. 

About the Role

We’re looking for people who are experts in the fields such as reinforcement learning, machine learning, natural language processing, etc. Join us if you are passionate about tackling cutting-edge, open-ended research challenges and transforming your findings into real-world products.

In this role, you will:

• Conduct research around personality and model behavior, leveraging and developing tools such as synthetic data, reinforcement learning, reasoning to shape the personality and model behavior, including models such as o3, o4-mini, 4o, etc.

• Build evaluations and pipelines to facilitate the development and research.

• Innovate new post-training methods.

• Integrate your research into the final product of OpenAI.

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

• Have prior knowledge in training and optimizing models and building evaluations.

• Are willing to dive into large ML codebases to debug issues.

• Thrive in dynamic and technically complex environments.

• Have a track record of delivering innovative, out-of-the-box solutions to address real-world constraints.