Mercor

Part-Time Data Annotation Specialist $36/hr

Mercor · San Francisco, CA

This listing has closed — view similar roles below.

  • Hybrid
  • Full-time
  • $74,880 / year
  • San Francisco, CA

Job highlights

  • Evaluate LLM responses for accuracy and quality.
  • Conduct fact-checking with public sources.
  • Annotate response strengths and weaknesses.
  • Assess reasoning, clarity, and tone.
  • Follow evaluation guidelines for consistency.

About the role

AI Model Evaluator - Part-Time Contract Work

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.

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 Italian
  • 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 (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

  • Data Annotation Specialist
  • LLM Evaluation
  • AI Model Evaluation
  • Fact-Checking
  • Natural Language Processing
  • Content Annotation
  • Human Evaluation Data
  • Quality Assurance
  • Analytical Thinking
  • Italian Language Proficiency

Skills & topics

  • Data Annotation Specialist
  • AI Model Evaluator
  • LLM
  • Large Language Models
  • Fact-Checking
  • Content Annotation
  • Human Evaluation
  • Italian
  • Part-time
  • Contract

How to get hired

  • Tailor your resume: Highlight your Italian fluency, LLM experience, and analytical skills.
  • Prepare for the AI interview: Be ready to discuss your qualifications and how you use LLMs.
  • Review platform resources: Understand the evaluation process and guidelines before applying.
  • Submit promptly: Complete all application steps for daily review consideration.

Technical preparation

Practice evaluating LLM responses critically.,Familiarize yourself with fact-checking tools.,Study annotation guidelines for accuracy.,Review AI interview structure and sample questions.

Behavioral questions

Describe your experience with large language models.,How do you ensure attention to detail?,How do you adapt to new topics?,Discuss your analytical thinking process.

Frequently asked questions

What is the hourly compensation for the Part-Time Data Annotation Specialist role at Mercor?
The Part-Time Data Annotation Specialist role at Mercor offers a compensation of $36 per hour.
Is this a remote position for the AI Model Evaluator role at Mercor?
This role is geography restricted to Europe and the USA, and while it involves remote work, specific location restrictions apply.
What are the primary responsibilities of an AI Model Evaluator at Mercor?
As an AI Model Evaluator, you will evaluate LLM-generated responses, conduct fact-checking, annotate response quality, and assess reasoning and clarity to ensure alignment with system guidelines.
What qualifications are essential for the AI Model Evaluator position at Mercor?
Essential qualifications include a Bachelor's degree, C2 level Italian fluency, significant LLM experience, excellent writing skills, strong attention to detail, adaptability, and strong mathematical skills.
How long does the application process take for the AI Model Evaluator job at Mercor?
The application process, including the AI interview, is designed to take approximately 20-30 minutes to complete.
Can I apply for the Part-Time Data Annotation Specialist role if I am not a native Italian speaker?
Yes, if you have ILR 5/primary fluency (C2 on the CEFR scale) in Italian, which is equivalent to native or near-native proficiency.
What kind of experience is preferred for the AI Model Evaluator position at Mercor?
Preferred experience includes RLHF, model evaluation, data annotation, writing/editing high-quality content, comparing multiple outputs, and familiarity with evaluation rubrics.
Who are Mercor's investors, and where are they headquartered?
Mercor is headquartered in San Francisco and has investors including Benchmark, General Catalyst, Peter Thiel, Adam D'Angelo, Larry Summers, and Jack Dorsey.
Part-Time Data Annotation Specialist $36/hr at Mercor | Apply at Mercor | Jobs near San Francisco | PitchMeAI