About this role
Member of Technical Staff - Research & Post-training at Preference Model. Location: San Francisco or Toronto or Seattle. Role: training models, optimizing infrastructure, designing environments Requirements: Experience with end-to-end LLM post-training, proficiency in Python and PyTorch or JAX, experience with modern RL training frameworks and building ML infrastructure at scale; strong communication and systems design skills. Category: Research and Development (R&D) Seniority: Mid Level Tools: Python, PyTorch, JAX, Verl, OpenRLHF Commitment: Full Time Workplace: Onsite Languages: English