[Hiring] Spanish Linguistic Auditor - Expert @Mercor

Role Description

The Sonic Audit Specialist - Spanish will be responsible for the following:

• Evaluate AI training data in Spanish through Multilingual Transcription Audit and Forced Alignment Audit.
• Review recordings and transcriptions to ensure accuracy using a fixed set of error codes.
• Verify audio segments for correct timestamp alignment and transcription accuracy.
• Correct errors by adjusting boundaries, splitting or merging segments, and adding or removing segments as needed.
• Provide detailed written rationales for each judgment to improve AI model performance.
• Work independently with a focus on careful listening and consistent rubric application.

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, linguistic annotation, or QA.
• Ability to distinguish similar sounds and identify word boundaries in continuous speech.
• Preferred:
• Prior AI data annotation or model evaluation experience.
• Background in phonetics or linguistics.
• Experience with audio editing or waveform tools.

Company Description