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First seen by our source: 20 days ago

Data Science Expert - Evaluation Specialist

@ Mercor

Toronto, Ontario

$120–$170/hr5+ years experience
Apply now
SIGNALS

Overview

Mercor is hiring a remote contract Data Science Expert at $120 to $170 per hour to score data science deliverables for AI research labs. The work involves designing grading criteria and writing evidence-based justifications for scores on analyses, models, dashboards and experiment readouts. The role requires 5+ years of industry data science experience and strong written communication.

Pay:

$120–$170 an hour

Responsibilities:

  • Design grading criteria for data science deliverables
  • Score AI-generated and human work samples with written justifications
  • Apply consistent, evidence-based judgment to ensure reproducible scores
  • Incorporate feedback from senior reviewers
  • Collaborate with AI research teams on training data quality

Requirements summary:

  • 5+ years of professional data science experience in industry
  • Background in business operations, product or growth data science at top-tier tech companies
  • Deep fluency in experiment design, A/B testing, SQL and Python analysis
  • Exceptionally strong written communication
  • Detail-oriented and comfortable with peer calibration

Tools & skills

Source and dates

Source type not verified · manatal

Employer posting date
Not provided
First seen by our source
2026-10-17
Source record updated
2026-10-17

These dates describe the source record, not a live verification that the employer is still hiring. Check the original posting.

Job details

SenioritySenior
DepartmentData & analytics
Experience5+ years
Travelair: none · ground: none
Work settingHome
PositionMostly sitting
Physical demandsphysical low · computer high
LanguagesEnglish

Summary and details written by AI from the posting; the employer’s posting is the authority.

Mercor

Saved company profile

Historical company information from a saved The Jobs API profile (LinkedIn/Crunchbase fields). It is not live-verified; figures may have changed. Missing values remain unknown.

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

Full company description

Mercor is defining the future of work. We connect human expertise with leading AI labs and enterprises to train frontier models.

LinkedIn followers
654,507
People associated on LinkedIn
5,250
Reported office locations
  • San Francisco, California 94105, US
Business categories
  • Employment
  • Software
  • Recruiting
  • Data Collection and Labeling
  • Artificial Intelligence (AI)
  • Machine Learning
Other recorded names
  • Mercor
Profile identifies a recruitment agency
Yes
Reported total investment
483,600,000

Currency and observation date were not supplied; this is not a current valuation or a funding round.

Mercor is defining the future of work. We connect human expertise with leading AI labs and enterprises to train frontier models.

FieldValue
IndustrySoftware Development
Company size51-200 employees
HeadquartersSan Francisco, California
Organization typePrivately Held
Year founded2023
Open jobs on Jobsy1,626
LinkedInView page
Job description

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, including analyses, models, dashboards, and experiment readouts.
  • Score AI-generated and human work samples against established criteria with detailed, well-reasoned written justifications.
  • Apply consistent, evidence-based judgment to ensure scores are reproducible and defensible.
  • Incorporate structured feedback from senior reviewers and iterate quickly on your work.
  • Collaborate with AI research teams to improve training data quality and downstream 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, 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

  • For details about the interview process and platform information, please check: https://talent.docs.mercor.com/welcome
  • For any help or support, reach out to: [email protected]

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

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