Portuguese Language Specialist – AI Quality Analyst (Remote)

About the role

We are seeking a Portuguese Language Specialist to join our AI Quality team on a short‑term contract. You will work remotely, evaluating how well AI models personalize responses using user context and ensuring the output is accurate, helpful, and natural.

Key responsibilities

• Design and execute conversational prompts to assess personalized AI interactions.
• Evaluate 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, attention to detail, and excellent written communication.
• Ability to evaluate nuanced and ambiguous AI responses objectively.
• Comfortable working independently in a remote environment with full‑time availability (30‑40 hours/week) and a stable internet connection.

Required skills

• Portuguese language proficiency.
• Data annotation and AI quality evaluation.
• Content moderation and review.

What we offer

• Competitive hourly rate of $15 USD.
• Short‑term contract (2 months) with full‑time remote work.
• Opportunity to contribute to cutting‑edge conversational AI systems.