# Member of Technical Staff, Reinforcement Learning at True Talent Solutions Partners - Company: True Talent Solutions Partners - Status: Closed - Workplace: Remote - Location: Remote - Level: Staff - Discipline: AI & ML - Employment: Full-time - Salary: $250K–400K - Posted: 2026-11-11 - Skills: reinforcement learning, healthtech - Apply: https://jobs.ashbyhq.com/true-talent-solutions-partners/e1e5c7d7-eb21-4aed-8ae9-2debd31d24de ## Description ABOUT THE ROLE Join a healthtech team developing clinical decision-support tools for use in healthcare settings. You will build reinforcement learning environments and evaluations that help model-training teams improve clinical reasoning, with work validated alongside clinical experts. WHAT YOU'LL DO - Build reinforcement learning environments for complex clinical reasoning, including multi-step tasks, tool use, state transitions, and measurable outcomes. - Design 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 environment implementation, evaluation, and delivery to model-training teams. - Run post-training and agent evaluation experiments, then use observed failures to improve environments. - Collaborate with clinicians and technical leadership to validate model outputs and improve the work. WHAT WE'RE LOOKING FOR - A PhD in computer science, machine learning, or a related field, or at least 3 years of full-time reinforcement learning research or post-training experience; candidates should also have 3 or more years of research or industry experience, or be a final-year PhD student or postdoctoral researcher. - Hands-on experience building reinforcement learning environments for post-training or agent evaluation, and owning reward functions, grading rubrics, or LLM-judge calibration. - Production-level Python, PyTorch, and Transformers ecosystem skills, plus experience with LLMs, reinforcement learning, post-training, ev More True Talent Solutions Partners roles: https://deviantjobs.com/companies/true-talent-solutions-partners