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This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Portuguese Voice Actor - Freelance AI Trainer Project based in Switzerland. This opportunity is designed for an experienced Portuguese voice professional interested in helping shape the next generation of AI-powered speech technologies. You will contribute your voice expertise to training data that helps AI systems communicate with greater clarity, accuracy, and naturalness. The role combines professional voice performance with speech evaluation, linguistic annotation, and AI model feedback. You will record scripted Portuguese content and assess AI-generated speech for pronunciation, tone, pacing, emotional expression, and regional authenticity. Your insights will help improve voice models used across areas such as education, entertainment, accessibility, and digital communication. You’ll work with advanced AI tools while applying your professional judgment and attention to linguistic detail. This is a flexible freelance opportunity for a skilled Portuguese voice actor looking to make a meaningful contribution to AI development.