Sonic Audit Specialist, Portuguese

🔥 15 hours ago

🇺🇸 United States – Remote

💵 $25 / hour

⏳ Contract/Temporary

🟡 Mid-level

🟠 Senior

👻 Ghost score 9%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Mercor

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2023

🔥 Funding within the last year

💰 $350M Series C - Mercor on 2025-10

Mercor is a company for which no descriptive text was provided in the input. Additional information (products, services, target customers, or industry specifics) is needed to create an accurate summary and select appropriate industries.

📋 Description

• Audit Amazon Sonic multilingual transcription data by listening to recordings and judging transcription accuracy • Apply fixed error codes, assign pass/fail verdicts, and write a short rationale for each judgment • Review word-level forced alignment segments and verify start/end timestamps • Verify that reference transcriptions match the spoken form • Correct inaccurate boundaries, split or merge segments, add missing segments, and remove segments containing no word • Tag every applicable error code and explain in plain language why a task passed or failed • Call out critical errors first so failure reasons are clear • Complete calibration before beginning production work

🎯 Requirements

• Native or near-native command of Portuguese as spoken in Brazil • Either born and raised in a region where Brazilian Portuguese 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 complete a short calibration phase before production work • Must be engaged as an independent contractor • H1-B and STEM OPT candidates are not supported

🏖️ Benefits

• Fully remote role • Flexible schedule / work on your own schedule • Weekly payments via Stripe or Wise • Opportunity to collaborate with leading researchers • Referral payments of up to $100 for each successful referral (referral limits apply)