Portuguese Language Expert

We are looking for detail-oriented Freelance AI Trainers – Audio to support high-impact Generative AI data annotation projects involving PII identification and content risk assessment on raw audio inputs.

In this role, you will listen to and annotate raw audio content to identify personally identifiable information, assess risk signals, evaluate AI-generated outputs where applicable, and apply detailed project guidelines with precision. You will help create high-quality ground truth data used to train and improve advanced AI models.

This is a flexible, freelance engagement suited to individuals who want project-based work rather than a fixed weekly schedule. It requires strong listening comprehension, mature judgment, attention to detail, and the ability to work independently in a fast-paced environment where guidelines may evolve frequently.

Key Responsibilities

As an AI Trainer – Audio, you will:

• Review and annotate raw au...