Portuguese Language Auditor - Fully Remote | Up To $25/Hr

Mercor; São Paulo; Remote; BRL 154,000 - 220,000; Full time

Job summary

Mercor is seeking a Sonic Audit Specialist - Portuguese to evaluate AI training data in Brazilian Portuguese, review transcription audits, and conduct word-level forced alignment checks. This remote contract role emphasizes careful listening, consistency, and thorough documentation to improve AI model performance.

Portuguese fluency and strong English are required. The position is remote with an hourly compensation of $25, and prior AI data annotation or linguistics background is preferred but

Qualifications

• Must have native or near-native command of Brazilian Portuguese.
• Strong English reading and writing skills.
• Disciplined rubric application across judgments.
• Careful listening skills to distinguish similar sounds.

Responsibilities

• Evaluate AI training data in Brazilian Portuguese for accuracy and relevance.
• Review multilingual transcription audits by comparing recordings with transcriptions and apply error codes with rationales.
• Conduct forced alignment audits by verifying and correcting timestamps and transcriptions at the word level.
• Ensure judgments are consistent and well-documented, focusing on careful listening rather than volume.
• Work independently and asynchronously to meet deadlines and improve AI model performance.

Skills

Portuguese (Brazil)

English reading/writing

Discipline rubric application

Careful listening

AI data annotation

Model evaluation

Audio editing

Linguistics background

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 - Portuguese
Type: Contract
Compensation: $25/hour
Location: Remote

Role Responsibilities

• Evaluate AI training data in Brazilian Portuguese for accuracy and relevance.


• Review multilingual transcription audits by comparing recordings with transcriptions. Apply error codes and provide clear rationales.


• Conduct forced alignment audits by verifying and correcting timestamps and transcriptions at the word level.


• Ensure judgments are consistent and well-documented, focusing on careful listening rather than volume.


• Work independently and asynchronously to meet deadlines and improve AI model performance.

Qualifications

Must-Have

• Native or near-native command of Portuguese as spoken in Brazil.


• Strong English reading and writing skills.


• Disciplined rubric application across judgments.


• Careful listening skills to distinguish similar sounds.

Preferred

• Prior experience in AI data annotation, model evaluation, or audio editing.


• Background in phonetics or linguistics.

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: [e-mail]