Portuguese AI Quality Analyst – Remote

About the role

We are looking for a Portuguese‑speaking AI Quality Analyst to join our remote team on a short‑term contract. You will evaluate how well AI models personalize responses using user context and ensure the generated content is accurate, helpful, and natural.

Key responsibilities

• Design and execute conversational prompts to test personalized AI interactions.
• Assess AI model responses for grounding, personalization accuracy, integration quality, and overall helpfulness.
• Compare and rank AI‑generated answers side‑by‑side using predefined criteria.
• Identify hallucinations, flawed inferences, incorrect personalization, and unnatural response behavior.
• Write clear, structured rationales supporting evaluation decisions.
• Review model debug information and verify proper use of available data sources.
• Maintain data quality standards and follow project guidelines throughout the evaluation process.

Required profile

• Professional proficiency in reading and writing Portuguese.
• Experience in data annotation, AI quality evaluation, content moderation, or related fields.
• Strong analytical thinking and attention to detail.
• Excellent written communication skills.
• Ability to evaluate nuanced and ambiguous AI responses objectively.
• Comfortable working independently in a remote environment with a stable internet connection.

Required skills

• Data annotation
• Prompt creation for conversational AI systems

What we offer

• Competitive hourly rate ($15 USD per hour).
• Full‑time remote work with 30‑40 hours per week and a 4‑hour overlap with PST.
• Short‑term contract (2 months) with the possibility of extension.