Data Science Expert - AI Evaluation at Mercor

Position	Data Science Expert - AI Evaluation
Posted	09 Aug 2026
Expired	08 Sep 2026
Company	Mercor
Location	Toronto \| CA
Job Type	Full Time

Job Description:

Latest job information from Mercor for the position of Data Science Expert - AI Evaluation. If the Data Science Expert - AI Evaluation vacancy in Toronto matches your qualifications, please submit your latest application or CV directly through the updated Jobkos job portal.

Please note that applying for a job may not always be easy, as new candidates must meet certain qualifications and requirements set by the company. We hope the career opportunity at Mercor for the position of Data Science Expert - AI Evaluation below matches your qualifications.

About the job

Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark, General Catalyst, Peter Thiel, Adam D'Angelo, Larry Summers, and Jack Dorsey.

Position: Data Science Expert
Type:Contract
Compensation:$120–$170/hour
Location:Remote

Role Responsibilities

Design precise, task-specific grading criteria for real-world data science deliverables such as analyses, models, dashboards, and experiment readouts.
Score AI-generated and human work samples against criteria with detailed written justifications for every score.
Apply consistent, evidence-based judgment to ensure scores are reproducible and defensible.
Incorporate structured feedback from senior reviewers and iterate quickly on your work.
Work independently and asynchronously to meet deadlines while improving AI model performance.

Qualifications

Must-Have

5+ years of professional data science experience in industry.
Background in business operations, product, or growth data science at top-tier technology companies.
Deep fluency in experiment design and A/B testing, metric definition, SQL/Python analysis, and communicating findings to executive stakeholders.
Exceptionally strong written communication.
Detail-oriented, consistent, and comfortable having your judgment reviewed and calibrated against peers.

Preferred

Prior experience with AI training, evaluation, or human-data projects.

Application Process (Takes 20–30 mins to complete)

Submit your resume or relevant technical background to get started.
Qualified applicants may be asked to complete a brief technical assessment or submit additional information.

Resources & Support

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PS: Our team reviews applications daily. Please complete your AI interview and application steps to be considered for this opportunity.

Job Info:

Company: Mercor
Position: Data Science Expert - AI Evaluation
Work Location: Toronto
Country: CA

How to Submit an Application:

After reading and understanding the criteria and minimum qualification requirements explained in the job information Data Science Expert - AI Evaluation at the office Toronto above, immediately complete the job application files such as a job application letter, CV, photocopy of diploma, transcript, and other supplements as explained above. Submit via the Next Page link below.

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