Project Perseus | Data Labeling Associate - Portuguese (Portugal) Speakers (Human-in-the-Loop AI)
Core
Evaluate AI model outputs, audit data quality, and provide structured feedback to improve real-world AI system behavior.
Role type
Data Labeling Associate (Human-in-the-Loop AI)
Builds
AI model evaluation frameworks and data quality improvements
Domain
Generative AI / Data Quality
Deliverable
production ML models
Required skills
Native Portuguese (Portugal), B2+ English, critical thinking, attention to detail, safety considerations in GenAI, structured writing, judgment in ambiguous situations
Preferred skills
Data quality, QA, annotation, or analysis experience
Technologies
GenAI systems
Responsibilities
Evaluate AI model outputs and provide structured feedback, Perform audit-based reviews of data and model behavior, Apply guidelines and flag real-world mismatches, Contribute to improving evaluation frameworks, Identify trends in model performance, Document findings clearly
Seniority
Mid-level, hands-on IC