# Research Scientist, Post-Training at True Talent Solutions Partners

- Company: True Talent Solutions Partners
- Status: Open
- Workplace: On-site
- Location: San Francisco
- Level: Mid-level
- Discipline: AI & ML
- Employment: Full-time
- Posted: 2026-11-01
- Skills: Client Roles
- Apply: https://jobs.ashbyhq.com/true-talent-solutions-partners/5d9d206a-8d06-402d-8832-7b55fff20f63

## Description

ABOUT THE ROLE

Join a research team at an applied AI research and training data company, focused on understanding how datasets affect model behavior. You will design controlled post-training experiments and turn their results into evidence that informs data development and model improvement.


WHAT YOU'LL DO

 - Run controlled supervised fine-tuning and reinforcement learning experiments to measure how datasets affect model performance.

 - Build shared evaluation infrastructure and benchmarks that support reproducible findings across models, capabilities, and domains.

 - Help develop public evaluations and new data types that advance model capabilities.

 - Publish external-facing research, blog posts, and technical reports.

 - Use experimental results to guide improvements to data quality in collaboration with internal teams.

 - Work with partner research labs to communicate clear findings about data and model performance.


WHAT WE'RE LOOKING FOR

 - 0 to 4 years of experience building or delivering work in LLM training, post-training, or model evaluation, including experience at a frontier AI lab.

 - Familiarity with LLM training and evaluation methods, including SFT and RL-based post-training.

 - Experience independently designing, implementing, and analyzing controlled experiments, and drawing actionable insights from imperfect results.

 - Software engineering ability to build or modify experimental infrastructure, such as evaluation harnesses, training pipelines, or benchmarks.

 - Ability to work across domains such as finance, software engineering, and polic

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