# Research Intern at Mercor

- Company: Mercor
- Status: Open
- Workplace: On-site
- Location: San Francisco
- Level: Junior
- Discipline: AI & ML
- Employment: Internship
- Salary: $80/hr
- Posted: 2026-10-05
- Skills: AI
- Apply: https://jobs.ashbyhq.com/mercor/e6502490-37c6-471a-9ffb-cf397764c518

## Description

ABOUT MERCOR



Mercor's mission is to organize human intelligence to power the AI economy. We're a leading AI data company, building the layer between human expertise and frontier models. Millions of domain experts on the platform are paid over $4 million per day to train frontier AI models. Mercor's APEX benchmark family measures AI's real-world impact on professional work. Mercor Enterprise brings this same infrastructure to Fortune 500 companies: helping companies capture how their best people actually work, translating that expertise directly back into agents.

 

Mercor is creating a new category of work where expertise powers AI advancement. Achieving this requires an ambitious, fast-paced and deeply committed team. You’ll work alongside researchers, operators, and AI companies at the forefront of shaping the systems that are redefining society. Mercor is a profitable Series C company valued at $10 billion. We work in-person five days a week in our San Francisco, NYC, or London offices.




ABOUT THE ROLE

As a Research Scientist Intern at Mercor, you’ll work on research at the frontier of post-training, reinforcement learning with verifiable rewards (RLVR), data generation, and model evaluation.

You’ll investigate how datasets, rewards, and training methods affect the capabilities and behavior of large language models. This may include designing controlled experiments, developing new evaluation methodologies, conducting systematic failure analysis, and testing approaches to improve tool use, agentic behavior, and real-world reasoning.

You’ll work closely with rese

More Mercor roles: https://deviantjobs.com/companies/mercor