Own complex ML problems end-to-end from exploration to production deployment and iteration. Drive technical strategy in model development, evaluation, and optimization for clinical AI. Build and optimize production LLM systems, including fine-tuning pipelines and evaluation frameworks. Work across the full AI stack from data preparation to production monitoring. Influence technical decisions across Product, Clinical, and Engineering teams. Raise the technical bar by mentoring engineers and establishing best practices. May lead 1-2 engineers on specific projects, providing technical direction and mentorship.