Principal Research Engineer, Post-Training

Summary

Full-time role at Character.AI, Technical Staff - ML team. RoleRadar classifies it as research. Listed location: Redwood City, CA. A PhD is listed as preferred. Skills mentioned include LLMs, RLHF & post-training, Reinforcement learning, Distributed training, Inference optimization and Model evaluation.

Generated by RoleRadar from facts in the posting. We don't reproduce the job description; read it in full on Character.AI's job page.

Key facts

Salary

$275K–$400K/yr

Published in the employer's job board data.

Location

• Redwood City, CA

Workplace

Not stated in the posting

Countries

United States

Inferred by RoleRadar from the listed locations.

Experience

Not stated in the posting

PhD

Preferred

Visa sponsorship

Not stated in the posting

Team

Technical Staff - ML

Skills mentioned

• Machine learning
• LLMs
• RLHF & post-training
• Reinforcement learning
• Distributed training
• Inference optimization
• Model evaluation
• MLOps