Spanish Annotation Expert - AI Trainer

Location: Delegación Cuajimalpa de Morelos

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 Session Annotator (Mexican Spanish)
Type:
Contract
Compensation:
$12–$18/hour

Location:

Remote
Role Responsibilities
Review recorded sessions where users interact with an AI assistant via voice and camera.
Compare assistant responses with visible video content, identifying hallucinated or fabricated details.
Score sessions on visual interpretation, accuracy, relevance, and response timing.
Evaluate the assistant's use of spatial and directional language and its warnings on health, safety, or financial security.
Write detailed comments supporting each score with evidence from the session.
Capture conversation turns in the intake form.
Qualifications
Must-Have
Native or native-level  Mexican Spanish , spoken and written.
Clear, precise written Spanish.
An Android phone with a working camera and microphone.
Attention to detail and consistent rubric application.
Professional English reading comprehension.
Preferred
Experience in data annotation, linguistic QA, content moderation, or AI model evaluation.
Training in linguistics, translation, or interpreting.
Ability to recognize non-Mexican Spanish registers.
Start Date
Immediate ; high volume of work expected between  26 to 31 Aug .
Application Process (Takes 20–30 mins to complete)
Submit your resume or relevant background.
Complete a short calibration task on sample sessions, assessed on scoring consistency and comment usefulness.
Resources & Support
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PS:
Our team reviews applications daily. Please complete your AI interview and application steps to be considered for this opportunity.

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