Research Scientist, Medical Imaging & RL Post-Training

Epsilon Labs, Inc. is seeking a Research Scientist with deep expertise in post-training and reinforcement learning to advance multimodal models for clinical radiology use.

You will own stages after pretraining, including supervised fine-tuning, reward modeling, and inference-time strategies, with a focus on real-world patient outcomes. The role involves designing verification-friendly rewards, RLHF pipelines, and scalable ML systems on large medical imaging datasets, contributing to high-impact