Raydar
Machine Learning Research Scientist
$200K–$450K
San Mateo, California · Full-time · Posted Oct 27, 2026
- Education
- MS or PhD in computer science, machine learning, AI, or a quantitative field, or equivalent research experience.
About the job
Develop research systems that generate and test ideas, applying reinforcement learning and post-training to large language models and moving successful methods into shipped software.
What you'll do
- Develop systems to propose, test, and refine research ideas.
- Collaborate with software engineers to turn experimental methods into dependable software.
- Apply reinforcement learning and post-training to large language models to automate parts of research workflows.
What they ask for
- MS or PhD in computer science, machine learning, AI, or a quantitative field, or equivalent research experience.
- Record of publishing in leading AI venues or comparable experience at an industry research lab.
- Proficiency developing neural network models with gradient-based and reward-based methods, beyond wrapping hosted LLM APIs.
- Strong Python skills and ability to ship production code independently.
Nice to have
- Experience at a frontier AI lab or top AI research team.
- Background operating large multi-accelerator compute jobs or machine learning pipelines at scale.
Pay
$200K - $450K (base salary)
Tools
Python, large language models, neural network models
AI focus
Use reinforcement learning and post-training on large language models to automate parts of the research workflow.
Model-written summary · the original posting is authoritative