AI Language Expert — Portuguese (AI Training)

About The Role

We're looking for native Portuguese speakers with a background in language teaching or assessment to help evaluate and improve AI systems trained on Portuguese-language content. Your linguistic expertise and pedagogical insight will directly shape how AI understands, generates, and teaches Portuguese — making a real impact on one of the world's most widely spoken languages.

Organization: Alignerr
Type: Hourly Contract
Location: Remote
Commitment: Minimum 15 hours/week, fully asynchronous

What You'll Do

Evaluate AI-generated Portuguese speech and text for linguistic accuracy, naturalness, and educational quality
Assess learner speech and writing across proficiency levels from CEFR Pre-A1 through B2+
Identify learner errors, unnatural phrasing, and pedagogical gaps with expert judgment
Suggest improvements for clear, idiomatic, and culturally appropriate Portuguese
Provide structured, actionable feedback that improves AI tutoring and language-learning models




Collaborate asynchronously with project leads and fellow language experts

Who You Are

Native-level proficiency in Portuguese
Experience teaching Portuguese or evaluating learner language
Fluent in English (C1/C2 level)
Familiar with learner speech patterns and CEFR frameworks
Enrolled in or completed a Bachelor's degree or higher
Strong attention to detail and consistency in linguistic judgment
No prior AI experience required

Nice to Have

Experience with language assessment, curriculum design, or standardized testing
Exposure to AI-powered language tools or educational technology
Knowledge of regional Portuguese variations (Brazilian, European, etc.)
Comfort working independently in structured, asynchronous workflows

Why Join Us

Work on cutting-edge AI projects with top research labs
Fully remote and asynchronous — work on your own schedule, from anywhere
Freelance perks: autonomy, variety, and general collaboration
Contribute to meaningful wor

📌 AI Language Expert (Barcelona)
🏢 Alignerr
📍 Barcelona