Car Return & Fleet Quality Specialist

Europcar; Lérida; Remote; EUR 42,000 - 57,000; Full time

Job summary

Mercor is seeking a Transcription Quality Specialist to audit Spanish AI training data remotely. The position focuses on evaluating multilingual transcription and forced alignment, with emphasis on accuracy and structured feedback to improve model training.

You will review transcriptions, apply error codes, and verify timestamps while working independently with flexible hours to ensure high-quality outputs.

Qualifications

• Must have native or near-native Spanish (Spain) proficiency.
• 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.
• Work independently with flexible hours to complete tasks with precision.

Skills

Spanish (Spain)

English writing

Transcription

Linguistic annotation

Rubric discipline

Job description

Transcription Quality Specialist - Fully Remote | Upto $39/hr

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 .