Welo Data is seeking onsite Data Labeling Associates to evaluate AI model outputs, conduct audit-based reviews, and help refine evaluation frameworks and quality standards. Candidates must possess native-level European Portuguese proficiency, at least B2 English, a Bachelor's degree or higher, and professional writing and GenAI data safety experience. The role is a full-time, onsite position requiring U.S. work authorization and commuting capability to designated U.S. city hubs.