AI Language Expert - Portuguese

Alignerr; Portugal; Remote; EUR 41,000 - 83,000; Part time

Benefits offered by this job

Autonomy

Global collaboration

Flexible schedule

Job summary

Alignerr Corp. is seeking native Portuguese speakers with teaching or assessment background to evaluate and improve AI systems trained on Portuguese content. Your linguistic expertise will shape how AI understands, generates, and teaches Portuguese, influencing language learning for a global audience.

This remote, hourly-contract role requires a minimum of 15 hours per week, with fully asynchronous collaboration and ongoing coordination with project leads and fellow language experts.

Qualifications

• Native-level proficiency in Portuguese.
• Experience teaching Portuguese or evaluating learner language.
• Fluent in English (C1/C2).
• Familiar with CEFR frameworks and learner speech patterns.

Responsibilities

• Evaluate AI-generated Portuguese speech and text for linguistic accuracy, naturalness, and educational quality.
• Assess learner speech and writing across CEFR levels Pre-A1 through B2+.
• Identify learner errors and pedagogical gaps with expert judgment.
• Suggest improvements for clear, idiomatic, culturally appropriate Portuguese.

Skills

Portuguese proficiency

English proficiency (C1/C2)

Attention to detail

Education

Bachelor's degree or higher

Job description

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 judgmentNo 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 flexible — work on your own schedule, from anywhere
• Contribute to meaningful work that improves AI for Portuguese speakers worldwide
• Freelance perks: autonomy, variety, and global collaboration
• Potential for ongoing work and contract extension