OpenAI

Research Engineer / Scientist, Personality and Model Behavior

OpenAI

full-time

Posted on:

Origin:  • 🇺🇸 United States • California

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Salary

💰 $295,000 - $530,000 per year

Job Level

Mid-LevelSenior

About the role

  • Conduct research around personality and model behavior, leveraging and developing tools such as synthetic data, reinforcement learning, and reasoning to shape personality and behavior of models (e.g., o3, o4-mini, 4o)
  • Build evaluations and pipelines to facilitate development and research
  • Innovate new post-training methods
  • Integrate research into OpenAI products used by hundreds of millions of users
  • Collaborate with the Personality & Model Behavior and Post-training teams to apply research findings
  • Dive into large ML codebases to implement and debug research systems

Requirements

  • Expertise in reinforcement learning, machine learning, and natural language processing
  • Deep understanding of machine learning and its applications
  • Prior knowledge in training and optimizing models and building evaluations
  • Experience with synthetic data, reinforcement learning, and reasoning approaches
  • Ability to dive into large ML codebases to debug issues
  • Track record of delivering innovative, out-of-the-box solutions to address real-world constraints
  • Ability to thrive in dynamic and technically complex environments
  • Passion for tackling open-ended research challenges and integrating research into products
  • Willingness/ability to work from a US office (asked if able to work from US office three days per week)