# Member of Technical Staff, Applied Researcher at True Talent Solutions Partners - Company: True Talent Solutions Partners - Status: Open - Workplace: On-site - Location: New York - Level: Staff - Discipline: AI & ML - Employment: Full-time - Posted: 2026-11-07 - Skills: Client Roles - Apply: https://jobs.ashbyhq.com/true-talent-solutions-partners/8ada3ef6-be49-4864-b543-87227d581754 ## Description ABOUT THE ROLE Join a small applied research team working directly with frontier AI research labs on challenging post-training problems. This research-first role focuses on reinforcement learning, training data, and experiments that help improve model capabilities. WHAT YOU'LL DO - Work with customer research teams to turn research goals into concrete environments, datasets, experiments, and deliverables. - Design and run post-training loops using reinforcement learning methods such as GRPO, preference optimization, and supervised fine-tuning. - Shape and inspect high-fidelity trajectories and training data, with careful attention to correctness and edge cases. - Build reward functions, rubrics, validators, and evaluation harnesses that resist reward hacking and measure capability gains. - Analyze post-training signals and experiment results across distributed GPU clusters to guide next steps. WHAT WE'RE LOOKING FOR - At least 2 years of experience as an applied researcher or research scientist, with hands-on model training experience. - Practical reinforcement learning and agent experience beyond standard machine learning engineering work. - Experience at a frontier AI lab, AI research startup, or AI data lab, or a strong research publication or model result on a notable benchmark. - Strong working knowledge of Python, PyTorch, FSDP, FastAPI, GRPO, and distributed GPU clusters. - PhD involving reinforcement learning research is relevant experience. COMPENSATION & BENEFITS Base salary is $300,000 to $500,000 annually. Visa sponsorship is availabl More True Talent Solutions Partners roles: https://deviantjobs.com/companies/true-talent-solutions-partners