# 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
- Posted: 2026-11-07
- Skills: reinforcement learning, healthtech
- Apply: https://jobs.ashbyhq.com/true-talent-solutions-partners/150e646a-857b-4dc9-afaa-0f280d7d9be7

## Description

ABOUT THE ROLE

Build reinforcement learning environments and evaluations for a healthtech team developing clinical decision support tools. You will own the work from task design and data creation through environment implementation and delivery to model-training teams, helping make clinical AI more reliable in practice.


WHAT YOU'LL DO

 - Build environments for complex clinical reasoning, including multi-step tasks, tool use, state transitions, and measurable success criteria.

 - Design and calibrate reward functions, grading rubrics, and LLM judges, and test them for reward hacking or misleading scores.

 - Own task design, data creation, environment implementation, evaluation, and delivery to model-training teams.

 - Run post-training and agent evaluation experiments, then use failures to improve environments.

 - Collaborate with clinicians and technical leadership to validate model outputs and evaluation quality.


WHAT WE'RE LOOKING FOR

 - A PhD in computer science, machine learning, or a related field, or at least three years of full-time reinforcement learning research or post-training experience.

 - At least three years of research or industry experience, or current final-year PhD or postdoctoral status, with a bachelor's degree or higher in a relevant technical field.

 - Hands-on experience building reinforcement learning environments for post-training or agent evaluation, ideally in a frontier AI lab or leading AI company.

 - Production-level Python, PyTorch, and Transformers experience, plus experience with LLMs, post-training, and evaluation.

 - Experie

More True Talent Solutions Partners roles: https://deviantjobs.com/companies/true-talent-solutions-partners
