Spanish Annotation Expert - Fully Remote

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

• 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.

• 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.

• 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.

Immediate ; high volume of work expected between 26 to 31 Aug.