# Member of Technical Staff, Reinforcement Learning at True Talent Solutions Partners - Company: True Talent Solutions Partners - Status: Open - Workplace: Remote - Location: Remote - Level: Staff - Discipline: AI & ML - Employment: Full-time - Salary: $250K–400K - Posted: 2026-11-13 - Skills: Client Roles - Apply: https://jobs.ashbyhq.com/true-talent-solutions-partners/35723b39-a36a-45c1-8c6d-f74599efb255 ## Description ABOUT THE ROLE Join a healthtech team developing clinical decision-support tools for use in healthcare settings. In this hands-on research role, you will build reinforcement learning environments and evaluations that help model-training teams improve clinical reasoning, with a focus on safe, measurable performance. WHAT YOU'LL DO - Design and build reinforcement learning environments for complex clinical reasoning, including multi-step tasks, tool use, state transitions, and measurable outcomes. - Create and calibrate reward functions, grading rubrics, and LLM judges, and test them for reward hacking and misleading scores. - Own the workflow from task design and data creation through implementation, evaluation, and delivery to model-training teams. - Run post-training and agent-evaluation experiments, then use observed failures to improve the environments. - Collaborate with clinicians and technical leadership to validate model outputs and guide the work. WHAT WE'RE LOOKING FOR - A PhD in computer science, machine learning, or a related field, or at least three years of full-time experience in reinforcement learning research or post-training. - At least three years of research or industry experience, or current final-year PhD or postdoctoral status, and a bachelor's degree or higher in a relevant technical field. - Hands-on experience building RL environments for post-training or agent evaluation, including ownership of reward functions, grading rubrics, or LLM-judge calibration. - Production-level Python, PyTorch, and Transformers ecosystem skills, w More True Talent Solutions Partners roles: https://deviantjobs.com/companies/true-talent-solutions-partners