Project Perseus | Data Quality Analyst - Portuguese (Portugal) Speakers (Human-in-the-Loop AI)
Core
Audit AI model outputs and guide Data Labeling Associates (DLAs) to ensure high-quality data for human-in-the-loop AI systems.
Role type
Senior IC data quality analyst (human-in-the-loop AI)
Builds
High-quality training data for AI models
Domain
AI/ML data workflows, human-in-the-loop evaluation
Deliverable
production ML models
Required skills
Native-level Portuguese, B2+ English, data annotation QA, guideline interpretation, team coaching, workflow monitoring, pattern identification, documentation
Preferred skills
AI/ML data workflow experience, safety/compliance content evaluation, auditing others' work
Technologies
Human-in-the-loop evaluation platforms
Responsibilities
Audit DLA outputs and provide structured feedback, act as first-line support for DLAs, support onboarding and training of new DLAs, monitor workflows and escalate risks, identify patterns in human and model outputs, document findings and improve guidelines
Seniority
Mid-level, hands-on IC
