AI Data Quality & Annotation Specialist (English) — Freelance

Welo Global; United States; A distancia; USD 5500 - 8300; A tiempo parcial

Descripción de la vacante

Welo Global is seeking a detail-oriented AI Data Quality & Annotation Specialist to develop and evaluate large language models. You will review English language content to assess sentiment accuracy, factual consistency, and reasoning quality using structured guidelines.

The role requires advanced English proficiency, sharp analytical skills, and the ability to apply labeling standards consistently across high volumes of tasks.

Formación

• Advanced English proficiency (reading and writing) with professional-level fluency.
• Strong comprehension and written justification skills.
• Experience in data annotation or AI training projects.
• Preferred background in linguistics, journalism, or research.
• Exceptional attention to detail and consistent decision-making.
• Familiarity with AI systems or LLM evaluation is a plus.

Responsabilidades

• Review and label content for sentiment, factual accuracy, and reasoning issues.
• Evaluate model outputs across quality dimensions using scoring frameworks.
• Validate automated assessments and identify discrepancies or errors.

Descripción del empleo

Welo Global is seeking a detail-oriented AI Data Quality & Annotation Specialist to develop and evaluate large language models. You will review English language content to assess sentiment accuracy, factual consistency, and reasoning quality using structured guidelines.

The role requires advanced English proficiency, sharp analytical skills, and the ability to apply labeling standards consistently across high volumes of tasks.