Data Annotation Specialist, Portuguese
Core
Label, rank, audit, and correct text data to improve Large Language Model performance for content generation, semantic search, RAG, and agents.
Role type
Data Annotation Specialist (Portuguese)
Builds
High-quality training data for frontier AI models
Domain
Artificial Intelligence / Natural Language Processing
Deliverable
production ML models
Required skills
Native or near-native Portuguese, English, reading and writing, data manipulation (JSON/TSV/CSV/Markdown), attention to detail, following complex instructions
Preferred skills
Curiosity about technology, time management, working independently
Technologies
JSON, TSV, CSV, Markdown
Responsibilities
Label and rank machine learning data, audit and correct inaccuracies in language data, complete reading and text-based assignments, evaluate responses against project guidelines, suggest optimizations for data quality, provide feedback to cross-functional teams
Seniority
Individual Contributor, part-time contractor