Mercor
Machine Learning Expert
- Pay
- $70–120/hr
- Type
- Part-time
- Location
- Remote
- Posted
- Sep 15, 2026
Tip: In our experience, people who apply through a referral link have a better chance of being selected, as I’m also working on Mercor.
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About this role
The research teams behind the best-known AI models come to Mercor for machine learning judgment they can't generate on their own. Your standards and expertise become the rubric that frontier AI is graded against. This is a standing listing for machine learning practitioners who want AI training and evaluation work, not a specific job opening. It stays open whether or not a matching project is running this week. New projects start on short notice, so instead of posting and pulling a listing each time, we keep one open per field and draw from it when one begins. What the work looks like We match machine learning practitioners in the network to projects like: Writing a modeling problem from a system you actually shipped, with the data, the objective, and the constraint, plus the reference answer a model's attempt gets graded against Grading model-written training and evaluation code:…
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