Member of Technical Staff - Post-Training
Core
Build systems to transform pre-trained models into aligned and general agents, driving research and engineering in post-training.
Role type
Senior IC machine-learning engineer (post-training/RL)
Builds
Data generation pipelines, reward models, reinforcement learning algorithms, and inference-time scaling techniques
Domain
Artificial Intelligence / Large Language Models / Reinforcement Learning
Deliverable
production ML models
Required skills
machine learning fundamentals, large-scale LLM training, distributed systems, data curation, reward modeling, reinforcement learning algorithms
Preferred skills
experience improving model behavior via RL, owning ambitious research/engineering agendas, fluid work across research and infra boundaries
Technologies
N/A
Responsibilities
Develop data generation pipelines, reward models, and RL algorithms; drive research initiatives in post-training optimization; collaborate with pre-training teams to improve model capability
Seniority
Senior, hands-on IC