In this hourly, remote contractor role, you will work as a Portuguese Quality Assurance Lead (QAL) to oversee quality, consistency, and trainer performance across Portuguese AI training projects. You will review AI-generated Portuguese content and trainer/QA work, evaluate…
AI interviewMaster's required
Apply on SME Careers ↗We may earn a fee if you sign up.In this hourly-paid, fully remote contractor role, you will review AI-generated responses and/or generate language content, evaluate reasoning quality and step-by-step problem-solving, and provide expert feedback so outputs are accurate, logical, and clearly explained. You will…
Bachelor's required
Apply on SME Careers ↗We may earn a fee if you sign up.Help make the next generation of AI-narrated audiobooks sound genuinely human. 1. Overview We're building a team of native Portuguese speakers who love audiobooks to help evaluate AI-narrated (text-to-speech) audiobooks in European Portuguese. You'll listen the way a real…
English, Portuguese
Apply on Mercor ↗We may earn a fee if you sign up.Help make the next generation of AI-narrated audiobooks sound genuinely human. 1. Overview We're building a team of native Portuguese speakers who love audiobooks to help evaluate AI-narrated (text-to-speech) audiobooks in Brazilian Portuguese. You'll listen the way a real…
Portuguese, English
Apply on Mercor ↗We may earn a fee if you sign up.We are looking for Legal Annotators to support the training and evaluation of AI capabilities for contract management platforms in Portuguese (Portugal). Job Type: Freelance Work Schedule: Part-time - 25+ flexible hours per week Start Date: Immediately Duration: End of October…
English, Portuguese
Apply on RWS ↗Opens the platform's own listing.micro1 is engaging Portuguese Transcription Experts to contribute to a customer's project focused on audio transcription and AI training. In this role, you'll apply your expertise to help train next-generation AI systems. Your work will shape how models learn, reason, and…
Portuguese, English
Apply on Micro1 ↗We may earn a fee if you sign up.We're hiring PhD-level scientists who are proficient bilingual speakers (English & Portuguese) to help make advanced AI models safer. You'll apply your scientific expertise to evaluate and strengthen how these models handle specialized technical topics in Portuguese. No prior…
English, PortuguesePhD required
Apply on Mercor ↗We may earn a fee if you sign up.We're hiring proficient bilingual speakers (English & Portuguese) to help make advanced AI models safer. You'll apply your language fluency and cultural judgment to evaluate and strengthen how these models handle sensitive topics in Portuguese. No prior AI/ML experience is…
English, PortugueseBachelor's required
Apply on Mercor ↗We may earn a fee if you sign up.What You'll Do Listen to spoken audio recordings in Brazilian Portuguese and produce accurate, detailed transcriptions Handle challenging audio scenarios including overlapping speakers, background noise, filled pauses (e.g., "é...", "tipo..."), and informal speech Identify and…
PortugueseMaster's required
Apply on Alignerr ↗Opens the platform's own listing.What You'll Do Listen to audio recordings and compare them against existing transcripts in Brazilian Portuguese Identify and correct errors in transcription — including misspelled words, missing words, incorrect words, and punctuation issues Ensure word-level accuracy and verify…
PortugueseMaster's required
Apply on Alignerr ↗Opens the platform's own listing.What You'll Do Listen to audio recordings and compare them against existing transcripts in Brazilian Portuguese Identify and correct errors in transcription — including misspelled words, missing words, incorrect words, and punctuation issues Ensure word-level accuracy and verify…
PortugueseMaster's required
Apply on Alignerr ↗Opens the platform's own listing.What You'll Do Listen to audio recordings and compare them against existing transcripts in Brazilian Portuguese Identify and correct errors in transcription — including misspelled words, missing words, incorrect words, and punctuation issues Ensure word-level accuracy and verify…
PortugueseMaster's required
Apply on Alignerr ↗Opens the platform's own listing.STEM Specialist (Fluent in Portuguese - Portugal) - Freelance AI Trainer Project — a Meridial (Invisible Technologies) freelance AI training project.
Apply on Meridial ↗Opens the platform's own listing.STEM Specialist (Fluent in Portuguese - Brazil) - Freelance AI Trainer Project — a Meridial (Invisible Technologies) freelance AI training project.
Apply on Meridial ↗Opens the platform's own listing.Language Alignment & Resource Partner (Brazilian Portuguese) - Freelance AI Trainer Project — a Meridial (Invisible Technologies) freelance AI training project.
Apply on Meridial ↗Opens the platform's own listing.Portuguese Audio Evaluations Specialist - Freelance AI Trainer Project — a Meridial (Invisible Technologies) freelance AI training project.
Apply on Meridial ↗Opens the platform's own listing.We are looking for Speech AI Evaluation Specialist to support the improvement of AI-generated content in Portuguese (Brazil). Job Type: Freelance Location: Brazil (work from home) Work Schedule: Part-time - 10+ hours per week. Flexible - work whenever you want. Start Date…
English, Portuguese
Apply on RWS ↗Opens the platform's own listing.xAI hires AI tutors directly to train Grok. Record, transcribe and annotate Portuguese audio (speech, accents, intonation and real-world noise) so Grok handles spoken Portuguese naturally. What you need: Native Portuguese, with exposure to different accents or dialects English…
English, Portuguese
Apply on xAI ↗Opens the platform's own listing.Are you a web-savvy, search expert with a talent for finding things online by using just a few words? Do you want to influence the future of global AI search? If so, we want you on board! Working on behalf of RWS, you will test and evaluate how our clients’ search engine…
English, Portuguese
Apply on RWS ↗Opens the platform's own listing.Mercor is hiring native Portuguese speakers to help capture and evaluate real, natural voice interactions with a next-generation AI assistant, in partnership with a leading AI lab. You will use a specialized version of the app on your own Mac to complete everyday tasks by voice…
Portuguese, English
Apply on Mercor ↗We may earn a fee if you sign up.Mercor is hiring experienced musicians to evaluate generative music AI models, in partnership with a leading AI lab. You will assess AI-generated music across a wide range of genres and rate it against detailed quality standards, working in Portuguese and English. Key…
English, Portuguese
Apply on Mercor ↗We may earn a fee if you sign up.Fluent Language Skills Required: English & Portuguese (global, excluding Brazilian Portuguese). Native fluency in English and Portuguese (global, excluding Brazilian Portuguese) is required for this position. Why This Role Exists At Mercor, we believe the safest AI is the one…
Portuguese, EnglishBachelor's required
Apply on Mercor ↗We may earn a fee if you sign up.Language Alignment & Resource Partner (Portuguese) - Freelance AI Trainer Project — a Meridial (Invisible Technologies) freelance AI training project.
Apply on Meridial ↗Opens the platform's own listing.Portuguese Language Data Contributor (Multimodal) – Freelance AI Trainer Project — a Meridial (Invisible Technologies) freelance AI training project.
Apply on Meridial ↗Opens the platform's own listing.Portuguese Voice Actor - Freelance AI Trainer Project — a Meridial (Invisible Technologies) freelance AI training project.
reposted 2x
Apply on Meridial ↗Opens the platform's own listing.Portuguese Language Specialist (Brazil) - Freelance AI Trainer Project — a Meridial (Invisible Technologies) freelance AI training project.
Apply on Meridial ↗Opens the platform's own listing.Portuguese Language Specialist (Portugal) - Freelance AI Trainer Project — a Meridial (Invisible Technologies) freelance AI training project.
Apply on Meridial ↗Opens the platform's own listing.Mathematics Specialist (Fluent in Portuguese - Brazil) - Freelance AI Trainer Project — a Meridial (Invisible Technologies) freelance AI training project.
Apply on Meridial ↗Opens the platform's own listing.Mathematics Specialist (Fluent in Portuguese - Portugal) - Freelance AI Trainer Project — a Meridial (Invisible Technologies) freelance AI training project.
Apply on Meridial ↗Opens the platform's own listing.Coding Specialist (Fluent in Portuguese - Portugal) - Freelance AI Trainer Project — a Meridial (Invisible Technologies) freelance AI training project.
Apply on Meridial ↗Opens the platform's own listing.Coding Specialist (Fluent in Portuguese - Brazil) - Freelance AI Trainer Project — a Meridial (Invisible Technologies) freelance AI training project.
Apply on Meridial ↗Opens the platform's own listing.Portuguese Music Expert Mercor is hiring music experts for a frontier generative-music AI lab, working in Portuguese. We're looking for someone with formal musical training or professional experience — a degree in music, or a few years working as a musician, composer…
Portuguese
Apply on Mercor ↗We may earn a fee if you sign up.Mercor is hiring experienced music producers and audio engineers to evaluate generative music AI models, in partnership with a leading AI lab. You will assess AI-generated music across a wide range of genres and rate it against detailed quality standards, working in Portuguese…
English, Portuguese
Apply on Mercor ↗We may earn a fee if you sign up.Mercor is recruiting Portugal / Brazil-based Finance Experts for a research project with a leading foundational model AI lab. You are a good fit if you: Have at least 2 years of experience working at top firms in hedge fund, private equity, investment banking, equity research…
PortugueseMaster's required
Apply on Mercor ↗We may earn a fee if you sign up.Mercor is seeking a Bilingual Portuguese STEM Expert who is native to Brazil or Portugal, with experience in biology / physics / chemistry theory and problem-solving, to develop and refine high-quality reasoning questions that evaluate AI models. Your expertise in biology /…
AI interviewEnglish, PortugueseBachelor's required
Apply on Mercor ↗We may earn a fee if you sign up.Mercor is seeking native Portuguese speakers from Portugal or Brazil with exceptional writing skills to contribute to a high-impact AI research project with a leading lab. Freelancers will author Portuguese/English prompt–golden answer pairs that train and evaluate advanced…
AI interviewEnglish, Portuguese
Apply on Mercor ↗We may earn a fee if you sign up.Mercor is seeking a Portugal Portuguese Audio Generalist Evaluator Expert to contribute to a high-impact audio AI research project with a leading research lab. In this role, you will work on transcription, annotation, and evaluation tasks that help train and benchmark advanced…
AI interviewEnglish, Portuguese
Apply on Mercor ↗We may earn a fee if you sign up.Native-level fluency in English and Brazilian Portuguese is required for this position. Why This Role Exists Red team conversational AI models and agents: jailbreaks, prompt injections, misuse cases, bias exploitation, multi-turn manipulation Generate high-quality human data…
Portuguese, English
Apply on Mercor ↗We may earn a fee if you sign up.
No Portuguese roles are open today. The last one closed Oct 5. New ones show up here the morning after they're posted.
Seen open in the last 48 hours Last seen open 2 or more days ago