Red-team AI models in European and other non-Brazilian Portuguese plus English: jailbreaks, prompt injection, bias and manipulation, logged as reproducible safety data. Brazilian Portuguese is explicitly excluded. Remote hourly contract at $29–45/hour, paid weekly.
Review AI-narrated audiobooks in European Portuguese and flag where the synthetic narrator goes wrong: dropped or added words, bad pronunciation, misread numbers and abbreviations, unnatural rhythm. For native speakers from Portugal who listen to audiobooks. Remote hourly contract, around 20 hours a week, $15–20/hour.
Transcribe and annotate Portuguese audio (and occasional English) across conversational and formal speech, then review and correct transcripts for an AI training project. Native Portuguese and professional transcription experience preferred. 15 openings, contractor, $20–36/hour.
Audit Brazilian Portuguese speech data for Amazon's Sonic project: check transcripts against audio with fixed error codes and pass/fail verdicts, and fix word-level timestamp alignment. Native Portuguese as spoken in Brazil is a hard requirement; rationales are written in English. Remote hourly contract at $25/hour.
Listen to AI-narrated audiobooks in Brazilian Portuguese and tag where the synthetic narrator slips: mispronunciations, skipped or extra words, wrong readings of numbers and abbreviations, flat or odd intonation. For native Brazilian audiobook listeners. Remote hourly contract, around 20 hours a week, $15–20/hour.
Portuguese-speaking PhD chemists and biologists write specialised science prompts in Portuguese and grade how AI models handle accuracy and dual-use safety. Part-time remote at $50–54/hour; Portugal or Western Europe preferred, not required. PhD candidates eligible; 9 hires this month.
Record natural, clean Brazilian Portuguese audio on professional equipment for an AI training dataset, with a sample recording as part of onboarding. Three years of recording or voice work preferred; bring your gear to the interview. 25 openings, contractor, $20–40/hour.
Chat with two versions of an AI assistant that can draw on your connected digital services and past activity, then compare which one understood you better. Open to speakers of ten languages and locales, including Japanese, Korean, Hindi and Brazilian Portuguese. You must pass an activity-based eligibility check. $17/hour, remote contractor.
Native Portuguese speakers from either Brazil or Portugal record Portuguese voice content and review recordings against written text. Two tracks on one listing: Brazilian and European Portuguese. Remote independent contract through Invisible's Meridial marketplace at $17/hour, paid weekly via Stripe or Wise.
Native Portuguese speakers who know Brazilian usage evaluate AI-generated coding output, JSON and technical support replies for accuracy and natural Brazilian Portuguese. Strong JSON and basic coding required; you need not live in Brazil. Remote contractor work via Meridial at $21/hour.
An umbrella listing for evaluating AI-generated customer service and technical responses, with a strong focus on JSON and coding, for speakers of Netherlands Dutch, Welsh, Canadian French, German, Italian or Brazilian Portuguese. Qualification includes an unscripted spoken answer. Remote contractor work via Meridial at $21/hour.
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