CareerPlan

Principal Applied Scientist, Frontier AI Assets , Frontier AI Assets

Sunnyvale, California, United StatesFull-time$199k–$309k2026-10-30 → 2026-11-09
Based in United States

Core

Build training and evaluation assets (RL gyms) and the certification platform that advance frontier Generative AI with Large Language Models.

Role type

Principal Applied Scientist (Frontier AI Assets)

Builds

RL gyms, learning environments, and automated quality control tooling for model training teams.

Domain

Generative AI, Large Language Models, Reinforcement Learning

Deliverable

production ML models

Required skills

deep learning, reinforcement learning, RL gym construction, agentic tool use, technical direction, experiment design, hands-on coding, team leadership

Preferred skills

automated evaluation tooling, large-scale distributed training, novel algorithm development, peer-reviewed research

Technologies

Java, C++, Python, modern ML frameworks

Responsibilities

Set technical direction for data collection, sampling, and evaluation; design experiments for model improvement; build gym-building tooling; advance evaluation science; act as hands-on technical leader; partner with domain experts; lead scientific reviews and mentorship.

Seniority

Principal, hands-on IC with strategy & mentorship