Remote Platform Strategist & Document Quality Analyst

Mercor; Viseu; Remote; EUR 19,000 - 25,000; Part time

Job summary

Mercor is seeking an Audiobook Quality Analyst to work fully remotely on European Portuguese content. This part-time contract role requires about 20 hours per week and pays $15–$20 per hour.

You will evaluate AI-narrated audiobooks for naturalness and accuracy, log errors, and provide actionable feedback to improve listening experiences across multilingual narration projects.

Qualifications

• Native or near-native fluency in European Portuguese.
• Active audiobook listener with opinions about good listening.
• Working English sufficient to report to the team.
• Experience with annotation, labeling, transcription, proofreading, linguistics, or other detail-oriented review work.
• Available about 20 hours per week on a part-time basis.

Responsibilities

• Listen to AI-narrated audiobooks in European Portuguese and assess the naturalness, accuracy, and enjoyment of the narration.
• Spot and log errors in synthesized speech, including skipped, added, or mispronounced words, incorrect number readings, and unnatural phrasing.
• Categorize issues and mark the exact span using our review tooling.
• Report on overall listener satisfaction and identify where narration sounds natural versus where it breaks the experience.
• Work consistently and carefully across many hours of audio without losing attention to detail.

Skills

European Portuguese

Attention to detail

English proficiency

Tools

Annotation tools

Transcription basics

Job description

Audiobook Quality Analyst - Fully Remote | Upto $20/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: Audiobook QA Expert — Portuguese (Portugal)
Type: Contract
Compensation: $15–$20/hour
Location: Remote
Commitment: 20 hours/week

Role Responsibilities

• Listen to AI-narrated audiobooks in European Portuguese and assess the naturalness, accuracy, and enjoyment of the narration.
• Spot and log errors in synthesized speech, including skipped, added, or mispronounced words, incorrect number readings, and unnatural phrasing.
• Categorize issues and mark the exact span using our review tooling.
• Report on overall listener satisfaction and identify where narration feels natural versus where it breaks the experience.
• Work consistently and carefully across many hours of audio without losing attention to detail.

Qualifications

Must-Have

• Native or near-native fluency in European Portuguese .
• Active, genuine audiobook listener with real opinions about good listening.
• Enough working English to report clearly and communicate with the team.
• Experience with annotation, labeling, transcription, proofreading, linguistics, or other detail-oriented review work.
• Reliable availability of about 20 hours per week on a part-time basis.

Preferred

• Experience in AI training-data , model-evaluation, or audio/QA annotation projects.
• Background in language, editing, voice, or audio production.