AI Evaluation & Annotation Reviewer (L3 - Advanced Level) - Portuguese

Launch Your Career in Artificial Intelligence 

We are seeking language professionals who are available and prepared to commit to this project for a minimum of six months. This is a long-term engagement that requires consistent attendance, dependable availability, and the ability to work the required schedule throughout the project. 

Artificial Intelligence is transforming how the world communicates, learns, and solves problems—and skilled reviewers play an important role in improving the quality of these systems. 

As an AI Evaluation & Annotation Reviewer, you will evaluate AI-generated content, identify linguistic and structural issues, annotate language data, and provide feedback that helps make AI responses more accurate, relevant, and reliable. 

This opportunity is ideal for professionals with backgrounds in linguistics, translation, localization, language education, research, writing, or quality assurance who are interested in gaining hands-on experience on a real-world AI project. 

Why Join This Project? 

• Gain practical experience working on a global Artificial Intelligence project. 

• Build valuable skills in AI evaluation, annotation, prompt review, and language quality. 

• Work directly with QA Leads, international teams, and client stakeholders. 

• Strengthen your experience for future opportunities in AI, language technology, localization, research, and quality assurance. 
• Receive project-specific training, guidance, and ongoing feedback. 
  

What You’ll Do

• Review AI-generated responses for clarity, accuracy, correctness, relevance, and overall quality.
• Annotate and label language content according to detailed project guidelines.
• Generate or evaluate prompts based on assignment requirements.
• Identify linguistic errors, dataset concerns, and structural inconsistencies.
• Provide clear, structured feedback to support improvements in AI performance.
• Communicate complex language requirements clearly to both linguistic and non-linguistic stakeholders.
• Collaborate with QA Leads and clients to apply feedback and maintain quality standards.
• Participate in required client-facing meetings with your camera on.
• Submit daily work reports and consistently meet productivity and quality expectations.

What We’re Looking For 

• Professional fluency in Portuguese with strong written and verbal communication skills.
• A bachelor’s degree in Linguistics, Languages, Computer Science, or a related field, or equivalent professional experience.
• A degree or certification in Portuguese, where required.
• Strong analytical skills and exceptional attention to detail.
• The ability to identify patterns, errors, inconsistencies, and subtle language issues.
• Experience in annotation, evaluation, translation, localization, linguistics, research, education, or quality assurance is helpful but not required.
• An interest in Artificial Intelligence, Machine Learning, language technology, or data annotation.
• The ability to learn new tools, follow detailed guidelines, and adapt to changing project requirements.
• Strong organization and task-management skills.
• Professional communication skills and confidence participating in client-facing meetings.
• The ability to work independently and collaborate effectively with a global team.

Schedule and Commitment Requirements 

Applicants must be able to meet all of the following requirements: 

• Commit to the project for a minimum of six months. 

• Maintain consistent availability throughout the engagement. 

• Work consecutive eight-hour shifts. 

• Remain available during the required core hours of 8:00 AM–5:00 PM PST. 

• Attend daily client meetings scheduled between 10:00 AM–12:00 PM PST. 

• Consistently meet attendance, productivity, quality, and reporting expectations. 

Only approved and properly logged hours will be compensated. This is an independent contractor engagement and does not include paid holidays or paid time off. 

Compensation Range

Rates vary by language and are confirmed based on project requirements. 

Portuguese - $8 to $11.50 USD per hour 

Ready to Apply? 

This opportunity is best suited for individuals who are genuinely interested in language and Artificial Intelligence and can provide the consistency required for a long-term global project. 

Apply if you are ready to commit for at least six months, meet the required schedule, and contribute dependable, high-quality work throughout the engagement. 


Location Restrictions

We are unable to accept applicants currently residing in:

Argentina, Bolivia, Canada, Chile, China, Colombia, Cuba, Ecuador, Iran, Iraq, North Korea, Mexico, Panama, Russia, Sudan, Syria, Ukraine (Crimea, Luhansk, Donetsk), United Kingdom, Venezuela.