Role overview
Crossing Hurdles is a referral partner. We connect & refer top candidates to Mercor that working with the world’s leading AI research labs to help build and train cutting-edge AI models.
**Organization:**
Mercor
**Position:**
STEM Expert (Remote)
**Referral Partner:**
Crossing Hurdles
**Type:**
Hourly Contract
**Compensation:**
$90/hour
**Location:**
Remote
**Commitment:**
Part-time (approximately 10-40 hours/week), flexible schedule
**Role Responsibilities (Training support will be provided)**
* Evaluate and critique AI-generated responses in STEM subjects including 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 accuracy and clarity.
* Provide detailed, structured written feedback to improve AI model technical communication.
* Collaborate with AI quality teams to refine annotation guidelines and ensure evaluation consistency.
**Requirements**
* BS, MS, or PhD in a STEM domain (e.g., Computer Science, Mathematics, Biology, Physics, Engineering).
* English language proficiency with excellent comprehension and communication skills.
* Strong skills in high school-level mathematics and fact-checking across multiple domains (medical, legal, financial, technical).
* Exceptional writing skills and meticulous attention to detail.
* Significant experience with Large Language Models (LLMs).
**Preferred Qualifications**
* Prior experience with reinforcement learning from human feedback (RLHF) annotation or AI model evaluation.
* Professional or research background in data analysis, technical writing, or analytical reasoning.
* Familiarity with academic research standards and citations.
**Application process:**
1. Upload resume
2. AI interview based on your resume (15 min)
3. Submit form