Welo Global
Data Annotation Specialist - Seattle (On Site)
Seattle, WA · On-site · Full-time · Posted Sep 22, 2025
- Experience
- 3–5 years of professional linguistics experience preferred.
- Education
- University degree in linguistics, translation, or a related field preferred.
- Visa sponsorship
- Must have valid work authorization in the U.S.; Welocalize does not sponsor visas.
About the job
Test AI products, annotate and quality-check natural-language data, and help refine machine-learning models through analysis and reporting.
What you'll do
- Test AI products and provide feedback; analyze data for consistency, relevance, and alignment with project goals.
- Annotate natural-language datasets and perform quality control to identify anomalies, error patterns, and discrepancies.
- Support model refinement and prepare reports on data quality, model performance, and user feedback.
What they ask for
- Strong analytical skills to detect patterns and anomalies.
- Excellent communication and collaboration skills.
- Adaptability to changing priorities and project requirements.
- Valid U.S. work authorization; visa sponsorship is not available.
Nice to have
- University degree in linguistics, translation, or a related field.
- Professional linguistics experience.
AI focus
Tests AI products, annotates and evaluates natural-language data, and supports machine-learning model refinement and performance.
Model-written summary · the original posting is authoritative