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JSON Evaluator - AI Trainer

Mercor

Role overview

Qualifications

  • Available to start today, July 24, running to July 27-28
  • Comfortable reading and interpreting JSON files
  • Based in the US
  • Access to a desktop or laptop computer (no Chromebooks)

Responsibilities

  • Evaluate JSON-formatted AI model outputs against defined grading rubrics
  • Read and understand written task descriptions and rubrics
  • Parse, read, and assess JSON-based outputs, grading them against provided rubrics
  • Ensure attention to detail and consistency in applying rubric criteria

Key facts

Hard skills

Other skills

  • Detail Oriented
  • Time Management

About the company

Mercor logo

Mercor

Job Boards & Talent Marketplaces

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.

Company details

IndustryJob Boards & Talent Marketplaces
Company size51 - 200

Links

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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: JSON-fluent & Rubrics Expert
Type: Contract
Compensation: $50–$175/hour
Location: Remote
Commitment: 20–40 hours/week

Role Responsibilities

  • Evaluate JSON-formatted AI model outputs against defined grading rubrics.
  • Read and understand written task descriptions and rubrics.
  • Parse, read, and assess JSON-based outputs, grading them against provided rubrics.
  • Ensure attention to detail and consistency in applying rubric criteria.
  • Work independently to meet tight deadlines within 12-24 hours.

Qualifications

Must-Have

  • Available to start today, July 24, running to July 27-28.
  • Comfortable reading and interpreting JSON files.
  • Based in the US.
  • Access to a desktop or laptop computer (no Chromebooks).

Preferred

  • Prior Mercor experience, especially in applying detailed rubrics and evaluation criteria consistently.

Start Date

  • Today, July 24

Application Process (Takes 20–30 mins to complete)

  • Upload resume
  • AI interview based on your resume
  • Submit form

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: support@mercor.com

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



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Marcus Rivera

Chief Revenue Officer

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