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Transcription Quality Specialist - AI Trainer

Role overview

Qualifications

  • Native or near-native command of Spanish as spoken in Spain.
  • Strong English reading and writing skills.
  • Experience in transcription, subtitling, localization, or linguistic annotation.
  • Ability to apply a disciplined rubric consistently.

Responsibilities

  • Evaluate AI training data in Spanish by auditing multilingual transcription and forced alignment tasks.
  • Review and judge transcriptions for accuracy, applying error codes and providing rationale for decisions.
  • Verify and correct audio segment timestamps to ensure alignment with spoken words.
  • Provide structured feedback to improve AI model training and data quality.

Key facts

  • Remote from: Spain
  • Part time
  • AI Trainer
  • English, Spanish

Hard skills

Other skills

  • Detail Oriented

About the company

Mercor logo

Mercor

  • Job Boards & Talent Marketplaces
  • 51–200
Our vast talent network trains frontier AI models in the same way teachers teach students: by sharing knowledge, experience, and context that can't be captured in code alone. Today, more than 30,000 experts in our network collectively earn over $2 million a day.

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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.

Position: Sonic Audit Specialist - Spanish
Type: Contract
Compensation: $40/hour
Location: Remote

Role Responsibilities

  • Evaluate AI training data in Spanish by auditing multilingual transcription and forced alignment tasks.
  • Review and judge transcriptions for accuracy, applying error codes and providing rationale for decisions.
  • Verify and correct audio segment timestamps to ensure alignment with spoken words.
  • Provide structured feedback to improve AI model training and data quality.
  • Work independently with flexible hours to complete tasks with precision.

Qualifications

Must-Have

  • Native or near-native command of Spanish as spoken in Spain.
  • Strong English reading and writing skills.
  • Experience in transcription, subtitling, localization, or linguistic annotation.
  • Ability to apply a disciplined rubric consistently.

Preferred

  • Prior experience in AI data annotation or model evaluation.
  • Background in phonetics or linguistics.
  • Experience with audio editing or waveform tools.

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
  • 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.



#hiringmercor

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