AI Training Data Contributor, Portuguese (Brazil)
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Defrilex is recruiting Portuguese (Brazil) speakers for an AI model training data programme.
The programme starts with a short survey. Its purpose is to determine whether you opt in to the use of your personal data for model training purposes, which data sources you allow that data to be collected from, and your general usage patterns, such as the type of content, language and platforms you use. Eligibility criteria may vary by project.
No professional language experience is required. If you meet the acceptance criteria and opt in, you will be sent a Statement of Work (SoW) and Consent Form, followed by a short certification in which you review the project guidelines.
Responsibilities
- Complete the eligibility survey accurately, stating whether you opt in to the use of your personal data for model training purposes.
- Indicate which data sources you allow data to be collected from: conversations with AI assistants, web search activity, video streaming platforms and email services.
- Describe your general usage patterns, including the type of content, language and platforms you use.
- Review and sign the Statement of Work (SoW) and Consent Form if you are eligible for a project.
- Complete the certification by reviewing the project guidelines.
- Follow the project guidelines and Defrilex procedures for as long as you take part.
- Keep project materials confidential, and let Defrilex know if your consent or your usage changes.
Minimum requirements
- Native or near-native fluency in Portuguese as used in Brazil.
- Uses Gemini, Google Search, Gmail and YouTube at least on a monthly basis.
- Willing to opt in to personal data usage related to conversations with AI assistants (chat-based tools), web search activity, video streaming platforms and email services.
- Reliable internet access and a personal device on which you use these services.
- Ability to read and follow project guidelines and complete the certification.
Preferred qualifications
- Daily use of Gemini or other AI assistants.
- Previous participation in AI data, research or user studies.
- Comfortable reading project guidelines in English.
Candidates without these qualifications are still encouraged to apply.
Required documents
- Updated Resume/CV.
- Government-issued ID.
Work type
- 100% Remote
- Worldwide
- Independent Contractor
- Flexible participation based on project demand
- No professional language experience required
Eligibility criteria may vary by project. Participation depends on your survey responses, project demand and successful completion of the certification.
Application and qualification process
- Application and document review.
- Eligibility survey covering your data opt-in choices and usage patterns.
- Statement of Work (SoW) and Consent Form, sent to eligible experts.
- Certification: review of the project guidelines.
- Onboarding and project start.
Only experts who meet the acceptance criteria and opt in receive the SoW and Consent Form. No data is collected until the Consent Form has been signed.
About the opportunity
Defrilex is building a reliable global network of language professionals and native speakers who help make AI systems work well in every language.
Whether you are an experienced language professional or an everyday user of AI assistants, search, video and email in Portuguese, if you meet the acceptance criteria and are comfortable opting in, we encourage you to apply.
Join the Defrilex global network and help shape how AI understands Portuguese — from anywhere in the world.
Ready to apply?
Applications are reviewed on a rolling basis. Reference DFX-AI-310.