# 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: 2026-11-12 - Skills: reinforcement learning - Apply: https://jobs.ashbyhq.com/true-talent-solutions-partners/9d7369cb-51f4-4377-81ac-123daebf5247 ## Description ABOUT THE ROLE Join a healthtech team developing validated clinical decision tools for use in healthcare settings. You will build reinforcement learning environments and evaluations that support safer, more reliable clinical AI. WHAT YOU'LL DO - Build RL 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 failures to improve environments. - Collaborate with researchers and clinicians who validate model outputs. WHAT WE'RE LOOKING FOR - A PhD in computer science, machine learning, or a related field, or at least three years of full-time RL research or post-training experience. - At least three years of research or industry experience, or current status as a final-year PhD student or postdoctoral researcher. - Hands-on experience building RL environments for post-training or agent evaluation, including experience in a full-time role at a leading AI lab or company. - Strong technical fundamentals, with a BS or higher in computer science, machine learning, mathematics, or a related field. - Production-level Python, PyTorch, and Transformers ecosystem experience, plus familiarity with LLMs, reinforcement learning, post-training, evaluation, and reward mo More True Talent Solutions Partners roles: https://deviantjobs.com/companies/true-talent-solutions-partners