Jess Nguyen
Business Analyst
- Role
- Science Annotation Specialist at Amazon
- Location
- Redmond, WA, US
- LinkedIn followers
- 500 followers
About Jess Nguyen
Highly motivated and results-focused professional with a strong background in operations…
Experience
Science Annotation Specialist
Jun 2025 — Present · Bellevue, WA, US
Delivered high-quality annotations for customer return comments to support ML model training for NLP tasks including text classification, NER, sentiment analysis, and intent detection.• Evaluated clarity, specificity, and relevance of multi-stage customer inputs (Comment 1 & LLM-prompted Comment 2), enabling improvements in data quality and model accuracy.• Achieved >95% annotation accuracy, contributing to the performance of automated return reason classification and sentiment detection models.• Partnered with science and product teams to improve labeling taxonomies and annotation guidelines. • Identified edge cases and ambiguous patterns in customer text to refine ML training datasets and reduce false positives in production.• Participated in regular quality audits sessions, and iterative tooling feedback to support scalable, high-quality data pipelines.
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