Mercor - STEM Expert, application via RippleMatch

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Remote (Jacksonville, FL) Until 8/21/2026 First posted November 25, 2025 Last posted November 25, 2025
Job description

This role is with Mercor. Mercor uses RippleMatch to find top talent.

 

About the Role

Mercor is seeking a highly skilled Research and STEM Expert to join our AI evaluation and technical quality assurance team. In this role, you will analyze, evaluate, and fact-check AI-generated outputs across scientific, mathematical, and technical domains — ensuring the highest standards of factual accuracy, logical reasoning, and clarity.

You will help improve the reasoning and reliability of cutting-edge Large Language Models (LLMs) by providing structured feedback and expert judgment across diverse STEM fields. This position is ideal for individuals with strong academic training, analytical precision, and a passion for advancing AI alignment in research and science.


Key Responsibilities

  • Evaluate and critique AI-generated responses in STEM-related subjects (e.g., computer science, mathematics, physics, biology, and engineering).

  • Conduct fact-checking and research validation using reputable public and academic sources.

  • Assess scientific explanations, calculations, and reasoning for correctness and clarity.

  • Provide structured written feedback to improve the model’s understanding and communication of technical topics.

  • Collaborate with the AI quality team to improve annotation guidelines and maintain consistency across evaluations.


Minimum Requirements

  • BS, MS, or PhD in a STEM domain (e.g., Computer Science, Mathematics, Biology, Physics, Engineering, etc.)

  • English expert with excellent comprehension and communication skills

  • Excellent at high school–level math

  • Experts at fact-checking information across multiple domains (medical, legal, financial, technical, etc.) using trusted public sources

  • Excellent writing skills and attention to detail

  • Significant experience using Large Language Models (LLMs)


Preferred Qualifications

  • Prior experience with RLHF annotation or AI model evaluation

  • Research or professional experience involving data analysistechnical writing, or analytical reasoning

  • Familiarity with academic research standards and citation practices


Role Details

  • Type: Part-time (approximately 20 hours/week)

  • Location: Remote and asynchronous

  • Schedule: Flexible working hours


Compensation

  • Position: Contractor role via Mercor

  • Rate: $90/hour, based on expertise and domain experience

  • Payments: Weekly via Stripe Connect

 

About this role

Summary

Evaluate AI responses in STEM fields, fact-check, provide feedback, and improve model accuracy.

Job title

Research and STEM Expert

Experience level

BS, MS, or PhD in STEM

Industry

technology

Location requirements

remote, work from anywhere

Salary

$90/hour

Management role

No

Skills & keywords

Required skills

STEM degreeEnglish communicationmath skillsfact-checkingLLMs

Preferred skills

RLHF annotationdata analysistechnical writingresearch standards

Specializations

STEMfact-checkingAI evaluationresearch validationtechnical writing
Locations

Structured locations inferred from the posting.

Jacksonville, FL, USA

Remote City