Member of Technical Staff - Research & Post-training
Core
Research Engineer/Scientist building automated ML research engineering, specifically focusing on post-training large language models and developing RL training environments.
Role type
Senior IC machine learning research engineer (post-training & RL)
Builds
RL training environments, post-training pipelines, and distributed experiment management systems for LLMs
Domain
Artificial Intelligence / Large Language Models / Reinforcement Learning
Deliverable
production ML models
Required skills
LLM post-training pipelines, Python, PyTorch or JAX, RL training frameworks, ML infrastructure at scale
Preferred skills
Reward signal design, translating research papers to code, systems design for reproducibility
Technologies
Verl, OpenRLHF
Responsibilities
Train and evaluate models on proprietary RL environments, architect and optimize RL training infrastructure, design and test training environments and methodologies, profile and optimize training runs end-to-end
Seniority
Senior, hands-on IC
