Chai Research
AI Researcher: Post-Training
Palo Alto, CA · Full-time · Posted Oct 30, 2026
About the job
Conduct post-training AI research, including data generation, reward model training, and research and algorithm implementation.
What you'll do
- Generate data.
- Train reward models.
- Conduct research and implement algorithms.
Tools
Python, SFT / RLHF, vLLM / SGLang
AI focus
Post-training AI research involving data generation, reward model training, and algorithm implementation.
Model-written summary · the original posting is authoritative