Portuguese-Speaking QA Annotator And Quality Reviewer
About the role
The Work
You will review Portuguese-language data and AI outputs, checking whether they are accurate, well labeled, and aligned with detailed guidelines. You will also provide clear written feedback and help identify ways to improve review processes.
- Audit completed labels and correct errors.
- Classify text and tag entities and sentiment.
- Review and score AI outputs for quality, correctness, and guideline alignment.
- Write concise notes explaining your decisions.
- Suggest improvements to guidelines and workflows.
- Review occasional sensitive content.
What It Pays And Takes
This is project-based contract work with flexible hours and less than 20 hours per week. The role is intended for an intermediate-level contributor with prior annotation or quality assurance experience.
- Pay: $15 per hour.
- Work type: Part-time contractor.
- Location: You must reside in Portugal.
- Language: C1-level European Portuguese and at least B2-level English.
- Experience: Proven experience in data annotation or quality assurance.
- Skills: Strong attention to detail, clear structured writing, and comfort following detailed guidelines.
- Education: A bachelor's degree or higher is preferred.
How It Works
OpenTrain AI is the hiring and contracting organization for this role. Apply on OpenTrain, and the employer will review your application there.
About AI Training Work
AI training work uses human reviews, labels, and feedback to help artificial intelligence systems produce better results. Quality reviewers are paid for careful judgment because their decisions help shape how these systems understand and respond to language.
Where you can work
This role is 100% remote, for applicants located in Portugal.
From OpenTrain AI's job posting, checked Oct 18, 2026.
About OpenTrain AI
A unified board of AI-training jobs with real per-role pay.
How it pays: Stripe payouts to your bank, in the 120 countries its payout docs list.
Similar open roles
Some 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.

Welo Data · Data Annotation · California, Sunnyvale +20 more· 5mo agoDetails
$38/hr

Welo Data · Data Annotation · California, Sunnyvale +16 more· 5mo agoDetails
$34/hr
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
Want companies to ask for you?
One profile for every AI training platform. Companies ask us for people with a specific language, country or credential: add yours once, and when a role fits, we introduce you, only with your yes. Free.
Get new OpenTrain AI roles by email
We check the OpenTrain AI job board daily and email you its newest roles each week, plus similar paid roles elsewhere. Free, unsubscribe anytime.