Data Science Expert to Evaluate Real-World AI System Performance

Mercor

(83)

Emma

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Freelance

Recurrent

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Remote (anywhere)

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6 days ago

Mercor is hiring Data Science Experts to grade and evaluate how AI systems perform real-world data science work.Looking for someone with:5+ years of professional data science experience in industryBackground in business ops, product, or growth data science at top-tier tech companiesDeep fluency in experiment design, A/B testing, metric definition, SQL/Python analysisExceptionally strong written communication and calibrated judgment$120-$170/hr. 2 hired this month — spots are limited.Apply: https://t.mercor.com/1vUWKComment "Applied" once you've applied and let me know. I'll review your profile.

Signalers: 2

User since: Jun 2026

About Mercor:

Our vast talent network trains frontier AI models in the same way teachers teach students: by sharing knowledge, experience, and context that can't be captured in code alone. Today, more than 30,000 experts in our network collectively earn over $2 million a day.

mission:

We connect human expertise with leading AI labs and enterprises to train frontier models.

Reputation:

(83)

Jobs posted: 41

Candidate review speed: ~4 hours

Signalers: 1.6K

Feedback summarized by AI: Applicants who reached late stages reported positive, straightforward interviews. While some found the process interesting, others noted unclear instructions, excessive rounds, payment discrepancies, lack of projects, and potential referral farming.Applicants who didn't reach the late stages reported a positive, easy process. Some suggested native language technical tests. However, many noted a lack of communication, hiring transparency concerns, and frustration over indefinite status.

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Data Science Expert to Evaluate Real-World AI System Performance

Emma

Responsibilities

Skills wanted:

Language(s) required:

Geet Das

Geet Das

About Mercor:

mission:

mercor.com/

Admin access needed