Language work for AI
Portuguese AI Training Jobs
Measured from 65 distinct advertised rates, across 13 platforms. 11 of the 79 open roles here state no hourly rate; 3 advertise only a maximum ("up to $X/hr"), which is excluded.
Paid work for Portuguese speakers training AI models. 79 open roles name Portuguese in their title, on 21 platforms including Mindrift, Invisible and Welo Data. 18 are open worldwide. Every role is checked against its platform's job board daily, and the languages report compares Portuguese with every other language.
In Portuguese: Trabalho de treinamento de IA em português, the site in Portuguese, with the roles open to applicants in Brazil.
What the work is
AI evaluation and language data
29Rating and correcting AI answers in Portuguese, annotating Portuguese data, AI tutoring and language-expert roles.
Multilingual and localization, every languageVoice and speech recording
8Recording your voice, voice acting and judging AI voices in Portuguese, from home or in a studio.
Transcription, audio and speech, every languageTranscription
9Transcribing and editing Portuguese audio so speech models learn to understand it.
Transcription, audio and speech, every languageTranslation and writing
4Translating into Portuguese, rating translations, writing and localizing content, and linguistic projects.
Multilingual and localization, every languageExpert work in Portuguese
4Doctors, lawyers, scientists, engineers, coders and other professionals training AI in their field, in Portuguese.
Law, medicine and finance, every languagePaid research studies
25Short paid studies and projects for Portuguese speakers, often a few days long; each listing says where and when it runs.
Research studies, every language
Dialects and locales in demand
The varieties of Portuguese the role titles name. A role naming two counts for both; the rest ask for Portuguese without naming one.
Live Portuguese roles
Updated 3 min agoSome links on AITraining.jobs are referral links. If you sign up through one, AITraining.jobs may earn a commission at no extra cost to you. It never changes what a platform pays you.
AI evaluation and language data
29 openRating and correcting AI answers in Portuguese, annotating Portuguese data, AI tutoring and language-expert roles.

AI Quality Analyst (Personalization) - Portuguese (opens the job details)
Turing · Multilingual · Remote· 8mo agoDetails
$15/hr
Portuguese Quality Assurance Lead (QAL) (opens the job details)
SuperAnnotate (SME) · Multilingual · Remote· 4mo agoDetails
up to $35/hr
Portuguese Language Expert (opens the job details)
SuperAnnotate (SME) · Multilingual · Remote· 5mo agoDetails
up to $30/hr
Portuguese AI Evaluation Specialist (Brazil) (opens the job details)
Handshake AI · Multilingual · Remote· 4d agoDetails
up to $25/hr
MSR Project - Portuguese (Brazil) Culture Expert (opens the job details)
Welo Data · Multilingual · Remote· 1w agoDetails
$20/hrAI Evaluation & Annotation Reviewer (L3 - Advanced Level) - Portuguese (opens the job details)
volga-partners · Data Annotation · Remote· 2mo agoDetails
$8–$11.50/hr
Invisible · Multilingual · Remote· 3mo agoDetails
$65/hr
Portuguese - Fluent Speakers - AI Training (opens the job details)
Prolific · AI Evaluation · Remote· 5mo agoDetails
$30/hr
AI Tutor - Portuguese (opens the job details)
xAI (SpaceXAI) · Multilingual · Remote· 6mo agoDetails
$35–$45/hr
Portuguese-Speaking QA Annotator And Quality Reviewer (opens the job details)
OpenTrain AI · Data Annotation · Remote· 11mo agoDetails
$15/hr
Voice and speech recording
8 openRecording your voice, voice acting and judging AI voices in Portuguese, from home or in a studio.

Bilingual Audio Contributor (Portuguese/English) (opens the job details)
AfterQuery · Transcription & Audio · Remote· 1mo agoDetails
$30/hr
Audio Engineer (Speech / TTS Audio Specialist) – Brazilian Portuguese (opens the job details)
Mercor · Transcription & Audio · Remote· 5d agoDetails
$20–$30/hr
Audiobook QA Expert — Portuguese (Brazil) (opens the job details)
Mercor · Transcription & Audio · Remote· 1mo agoDetails
$15–$20/hr
Portuguese (Brazil) Voice Actor / Actress (opens the job details)
Babel Audio · Transcription & Audio · Remote· 5mo agoDetails
$60–$150/hr
Portuguese Audio Evaluations Specialist - Freelance AI Trainer Project (opens the job details)
Invisible · Transcription & Audio · Remote· 4mo agoDetails
$65/hr

Project Perseus | Speech & Voice AI Analyst - Portuguese (Portugal) Speakers (opens the job details)
Welo Data · Transcription & Audio · California, Sunnyvale +19 more· 5mo agoDetails
$28/hr
Portuguese Voice Actor - Freelance AI Trainer Project (opens the job details)
Invisible · Transcription & Audio · Remote· 11mo agoDetails
$6–$65/hr
Transcription
9 openTranscribing and editing Portuguese audio so speech models learn to understand it.

Portuguese Transcription Expert (opens the job details)
micro1 · Transcription & Audio · Remote· 1mo agoDetails
$10–$18/hr
Babel Audio · Transcription & Audio · Remote· 4mo agoDetails



Brazilian Portuguese - Audio Transcript Editor (opens the job details)
Alignerr · Transcription & Audio · Remote· 3d ago
$10–$35/hr

Audio Transcript Editor — Portuguese Brasileiro (AI Training) (opens the job details)
Alignerr · Transcription & Audio · Remote· 1mo ago
$10–$35/hr
Brazilian Portuguese Audio Transcript Editor — Remote (AI Training) (opens the job details)
Alignerr · Transcription & Audio · Remote· 1mo ago
$10–$35/hr
Brazilian Portuguese Audio Transcriptionist (AI Training) (opens the job details)
Alignerr · Transcription & Audio · Remote· 1mo ago
$10–$35/hr
Translation and writing
4 openTranslating into Portuguese, rating translations, writing and localizing content, and linguistic projects.
Bilingual Writer - Portuguese (Brazil) (opens the job details)
weekday · Multilingual · Remote· 1mo agoDetails
$12.60/task

Translation Validator | Portuguese (Portugal) (opens the job details)
Welo Data · Multilingual · Remote· 3mo agoDetails
$10/hr
Portuguese Localization Specialist (opens the job details)
Alignerr · Multilingual · Remote· 4d ago
$20–$40/hr
Expert work in Portuguese
4 openDoctors, lawyers, scientists, engineers, coders and other professionals training AI in their field, in Portuguese.

Invisible · Math & STEM · Remote· 1y+ agoDetails
$8–$65/hr
$65/hr
Invisible · Math & STEM · Remote· 1y+ agoDetails
$65/hr
Invisible · Math & STEM · Remote· 1y+ agoDetails
$65/hr
Paid research studies
25 openShort paid studies and projects for Portuguese speakers, often a few days long; each listing says where and when it runs.

New Freelance Project - European Portuguese Speakers for 3-Day Paid Study (opens the job details)
Mindrift · Multilingual · Remote· 4d agoDetails
$100/hr

Paid Study for European Portuguese-Speaking Students - Choose Your 3 Days (opens the job details)
Mindrift · Multilingual · Remote· 4d agoDetails
$100/hr

One-Time Paid Study for European Portuguese Speakers - Choose Your 3 Days (opens the job details)
Mindrift · Multilingual · Remote· 4d agoDetails
$100/hr
Temporary Paid Research Project - European Portuguese Speakers (opens the job details)
Mindrift · Studies & Surveys · Remote· 4d agoDetails
$100/hr
European Portuguese-Speaking Students: Paid 3-Day Research Study - $100/hr (opens the job details)
Mindrift · Multilingual · Remote· 4d agoDetails
$100/hr
$100/Hour Research Study - European Portuguese Speakers Wanted (opens the job details)
Mindrift · Multilingual · Remote· 4d agoDetails
$100/hr
Mindrift · Multilingual · Remote· 4d agoDetails
$100/hr
$100/hr Research Gig for European Portuguese Speakers - Choose Your 3 Days (opens the job details)
Mindrift · Multilingual · Remote· 4d agoDetails
$100/hr
Who hires Portuguese speakers
| Platform | Portuguese roles | Pay stated |
|---|---|---|
| 24 | $100/hr | |
| 14 | $6–$65/hr | |
| 10 | $4–$50/hr | |
| 8 | $10–$120/hr | |
| 3 | $15–$45/hr | |
| 2 | $60–$150/hr | |
| 2 | Not stated | |
| 2 | up to $35/hr | |
| 2 | Not stated | |
| 1 | $30/hr | |
| 1 | Not stated | |
| 1 | up to $25/hr | |
| 1 | $10–$18/hr | |
| 1 | $15/hr | |
| 1 | $30/hr | |
| rise-data-labs | 1 | Not stated |
| 1 | Not stated | |
| 1 | $15/hr | |
| volga-partners | 1 | $8–$11.50/hr |
| weekday | 1 | Not stated |
| 1 | $35–$45/hr |
Where you can do them
The countries the 57 roles limited to listed countries name, most roles first. Roles open worldwide are open in each of them too.
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Frequently asked questions
How much do Portuguese AI training jobs pay?
Across the 65 distinct hourly rates posted for the 79 open Portuguese roles, typical pay runs from $30 to $100 an hour, with a median of $65. The highest posted rate is $150 an hour, at Babel Audio. Some roles state no hourly rate, so check each listing.
Which platforms hire Portuguese speakers?
21 platforms list the 79 open Portuguese roles, most at Mindrift (24), Invisible (14), Welo Data (10) and Alignerr (8). A legitimate platform never charges you to apply or to get work.
What kind of work is it?
By what their titles say, the open Portuguese roles are AI evaluation and language data (29), paid research studies (25), transcription (9), voice and speech recording (8), expert work in Portuguese (4) and translation and writing (4). Each listing describes its own tasks and hours.
Which Portuguese dialects and locales do the roles name?
The titles name Portugal (European) (33) and Brazil (23). The rest ask for Portuguese without naming a variety, and a role naming two counts for both.
Do I need to be a native Portuguese speaker?
Going by their titles, 6 ask for fluency and 4 also need English, of the 79 open roles. The others name Portuguese without a level; each listing states the level it expects.
Do I have to live in a particular country?
Not always. Of the 79 open roles, 18 are open worldwide; 57 only in listed countries, most often United States (29), Brazil (21), Portugal (15), Spain (3) and Peru (1); and 4 worldwide except some countries. The country rule is each posting's own, and the list on this page shows the roles open where you are.
Is this page available in Portuguese?
Trabalho de treinamento de IA em português is the site in Portuguese, with the roles open to applicants in Brazil. This page lists every open role that asks for Portuguese, wherever it is open.
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