Sonic Audit Specialist – Japanese

Mercor

. Audit AI training data in Japanese across Amazon Sonic audit collections .

Posted 10/13/2026contractRemote • United StatesMid-LevelSenior💰 $38 per hourWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates native or near-native proficiency in Japanese, with strong English reading and writing skills. Capable of applying detailed rubrics for accurate transcription and annotation, while effectively identifying and correcting errors in audio data.

Highest-signal resume keywords

Native Or Near-Native Japanese ProficiencyStrong English Reading And Writing SkillsTranscription And Localization ExperienceCareful Listening SkillsIndependent Contractor Experience

ATS Keywords

Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills

TranscriptionLinguistic AnnotationError Code ApplicationAudio VerificationSegment Boundary Correction

Soft Skills

Attention To DetailClear Feedback WritingDiscipline In Judgments

Tools & Technologies

Audio Editing ToolsWaveform Tools

Industry Keywords

AI Data AnnotationModel EvaluationPhoneticsLinguisticsQuality Assurance

About the role

Key responsibilities & impact

Audit AI training data in Japanese across Amazon Sonic audit collections
Listen to human or agent speech and verify whether transcriptions accurately capture what was said
Apply error codes, assign pass or fail verdicts, and write a short rationale
Verify word-level segment start and end timestamps against the audio
Confirm reference transcriptions match the spoken form
Correct erroneous boundaries, split or merge segments, add missing segments, and remove segments containing no word
Tag every applicable error code and explain why a task passed or failed
Call out critical errors first in failure rationales
Complete a short calibration phase before production work

Requirements

What you’ll need

Native or near-native command of Japanese as spoken in Japan
Either born and raised in a region where Japanese and this variety is dominant, or fully fluent with five or more years of residence in such a region
Strong English reading and writing
Ability to read a detailed rulebook and write clear feedback in English
Disciplined application of written rubrics across hundreds of judgments
Careful listening skills, including distinguishing similar sounds and identifying word boundaries in continuous speech
Prior transcription, subtitling, localization, linguistic annotation, or QA experience is a strong signal
Helpful but not required: prior AI data annotation or model evaluation work
Helpful but not required: phonetics or linguistics background
Helpful but not required: experience with audio editing or waveform tools
Must be able to work as an independent contractor
H1-B and STEM OPT candidates are not supported

Benefits

Comp & perks

Fully remote role
Flexible schedule / can be completed on your own schedule
Weekly payments via Stripe or Wise
Projects may be extended, shortened, or concluded early depending on needs and performance
Competitive pay
Collaboration with leading researchers
Opportunity to help shape the next generation of AI systems
Up to $150 for each successful referral through the unique referral link