AI Model Evaluator
Mercor
Job Overview
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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: AI Model Evaluator
Type: Full-time or Part-time Contract Work
Compensation: $18/hour
Location: Geography restricted to Mexico, USA
Role Responsibilities
- Evaluate LLM-generated responses on their ability to effectively answer user queries.
- Conduct fact-checking using trusted public sources and external tools.
- Generate high-quality human evaluation data by annotating response strengths, areas for improvement, and factual inaccuracies.
- Assess reasoning quality, clarity, tone, and completeness of responses.
- Ensure model responses align with expected conversational behavior and system guidelines.
- Apply consistent annotations by following clear taxonomies, benchmarks, and detailed evaluation guidelines.
Qualifications
Must-Have
- Bachelor’s degree
- Native speaker or ILR 5/primary fluency (C2 on the CEFR scale) in Spanish
- Significant experience using large language models (LLMs)
- Excellent writing skills
- Strong attention to detail
- Adaptable and comfortable moving across topics, domains, and customer requirements
- Background or experience in domains requiring structured analytical thinking
- Excellent college-level mathematics skills
Preferred
- Prior experience with RLHF, model evaluation, or data annotation work
- Experience writing or editing high-quality written content
- Experience comparing multiple outputs and making fine-grained qualitative judgments
- Familiarity with evaluation rubrics, benchmarks, or quality scoring systems
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/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.
Key skills/competency
- LLM Evaluation
- Fact-Checking
- Data Annotation
- Content Quality Assessment
- Spanish Fluency
- Analytical Thinking
- Attention to Detail
- Writing Skills
- Conversation AI
- Evaluation Guidelines
How to Get Hired at Mercor
- Research Mercor's mission: Study their focus on connecting elite talent with leading AI research labs and their investor backing.
- Tailor your resume: Highlight significant experience with LLMs, data annotation, content evaluation, and strong analytical skills.
- Prepare for the AI interview: Practice articulating your experience with content review, attention to detail, and adaptability across diverse topics.
- Showcase Spanish fluency: Emphasize your native or primary fluency in Spanish (ILR 5/C2) as a key differentiator for the AI Model Evaluator role.
- Demonstrate analytical thinking: Be ready to provide examples of how you apply structured analytical thinking and make fine-grained qualitative judgments.
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