Sonic Audit Specialist – Korean

• Audit Multilingual Transcription tasks by listening to speech, reviewing annotator transcriptions, applying error codes, assigning pass/fail verdicts, and writing rationales
• Audit Forced Alignment tasks by verifying word-level timestamps and reference transcriptions
• Correct inaccurate boundaries, split or merge segments, add missing segments, and remove wordless segments
• Apply every applicable error code and explain pass/fail decisions in plain language
• Identify critical errors first so failure reasons are clear
• Complete a short calibration phase before production work
• Work on Amazon Sonic audit collections supporting AI training data
• Help train and enhance frontier AI systems through Mercor projects

• Native or near-native command of Korean as spoken in South Korea
• Born and raised in a region where Korean 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 and consistent rubric application
• Careful listening skills, including distinguishing similar sounds and 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

• Fully remote role
• Flexible own schedule
• Weekly payments via Stripe or Wise
• Competitive pay
• Referral bonuses of up to $100 per successful referral