Language Expert
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: Language Expert
This is a Full-time or Part-time Contract Work position, with compensation at $23/hour. The location is geography restricted to Egypt, Saudi Arabia, UAE, USA.
Role Responsibilities
- Evaluate LLM-generated responses for their effectiveness in answering 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 Arabic
- Significant experience using large language models (LLMs)
- Excellent writing skills
- Strong attention to detail
- Adaptable and comfortable moving across topics
- 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.
- 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
- Arabic Fluency
- Analytical Thinking
- Content Assessment
- Quality Assurance
- Linguistic Analysis
- Conversational AI
- Writing Proficiency
How to Get Hired at Mercor
- Research Mercor's culture: Study their mission, values, recent news, and employee testimonials on LinkedIn and Glassdoor.
- Tailor your resume for AI evaluation: Customize your resume with keywords from the Language Expert job description to pass Mercor's AI screening.
- Prepare for the AI interview: Practice common behavioral and technical questions, focusing on LLM evaluation and analytical skills specific to the Language Expert role.
- Highlight Arabic fluency and LLM experience: Emphasize your native/C2 Arabic fluency and significant experience with large language models in your application.
- Showcase attention to detail: Provide examples of your meticulousness in data annotation, fact-checking, and adherence to guidelines.
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