General Chat Behavior Evaluator
Mercor
Job Overview
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Job Description
About Mercor
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: General Chat Behavior Evaluator
This is a full-time or part-time contract work opportunity with compensation at $20/hour. This role is geographically restricted to Brazil and the 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 Brazilian Portuguese
- 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
The application process takes approximately 20–30 minutes to complete and involves uploading your resume, completing an AI interview based on your resume, and submitting a form. Mercor's team reviews applications daily; ensure all steps are completed for consideration.
Resources & Support
For details about the interview process and platform information, please check: talent.docs.mercor.com/welcome/welcome. For any help or support, reach out to: support@mercor.com.
Key skills/competency
- LLM Evaluation
- Fact-Checking
- Data Annotation
- Portuguese Fluency
- Analytical Thinking
- Writing Skills
- Attention to Detail
- Quality Assessment
- Conversational AI
- Taxonomy Adherence
How to Get Hired at Mercor
- Research Mercor's culture: Study their mission, values, recent news, and investor backing on LinkedIn and industry publications.
- Tailor your resume for AI roles: Customize your resume to highlight experience with LLMs, data annotation, and analytical thinking, aligning with the General Chat Behavior Evaluator role.
- Prepare for the AI interview: Practice articulating your experience with language models and demonstrating strong analytical and communication skills.
- Showcase Portuguese fluency: Emphasize your native or C2 Brazilian Portuguese proficiency, a crucial requirement for this role.
- Highlight attention to detail: Provide specific examples of meticulous work in data evaluation, quality assurance, or content review.
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