General Chat Behavior 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.
We are seeking a General Chat Behavior Evaluator to join our team.
Position Details
- Type: Full-time or Part-time Contract Work
- Compensation: $20/hour
- Location: Geography restricted to Brazil, 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
- 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
- Data annotation
- Fact-checking
- Analytical thinking
- Writing skills
- Brazilian Portuguese fluency
- Conversational AI
- Taxonomy adherence
- Qualitative judgment
- Attention to detail
How to Get Hired at Mercor
- Research Mercor's culture: Study their mission, values, recent news, and employee testimonials on LinkedIn and Glassdoor to understand their AI research focus.
- Tailor your resume: Highlight significant experience with LLMs, data annotation, and analytical thinking, specifically showcasing your Brazilian Portuguese fluency for the General Chat Behavior Evaluator role.
- Prepare for the AI interview: Practice articulating your experience in evaluating language models and providing qualitative judgments, focusing on clarity and precision.
- Demonstrate strong writing skills: Emphasize your ability to produce high-quality, detailed annotations and assessments, which is crucial for data evaluation.
- Show attention to detail: Be ready to discuss your methods for ensuring accuracy, consistency, and adherence to complex evaluation guidelines in your previous work.
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