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Wayne W.

Wayne W.

Data Labeling Specialist - Text Annotation

China flagShanghai, China

Key Skills

Software

Label StudioLabel Studio
CVATCVAT
Other

Top Subject Matter

General Natural Language Content
General Images & Visual Content
LLM/AI Model Response Evaluation

Top Data Types

TextText
ImageImage

Top Task Types

ClassificationClassification
SegmentationSegmentation
Bounding BoxBounding Box
PolygonPolygon
Entity (NER) ClassificationEntity (NER) Classification
Point/Key PointPoint/Key Point
PolylinePolyline
CuboidCuboid
Object DetectionObject Detection
Text GenerationText Generation
Question AnsweringQuestion Answering
Text SummarizationText Summarization
RLHFRLHF

Freelancer Overview

Data Labeling Specialist - Text Annotation. Brings 20+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Label Studio, CVAT, and Other. Education includes Bachelor of Engineering, Shanghai University (2006). AI-training focus includes data types such as Text and Image and labeling workflows including Classification, Evaluation, and Rating.

Labeling Experience

Data Labeling Specialist - Model Response Evaluation

OtherTextText

In this role, I evaluated AI model responses through helpfulness, accuracy, instruction following, completeness, and language quality criteria. I performed bilingual (Chinese and English) review for both model outputs and guideline interpretation. My work contributed to ongoing improvements in AI model reliability and training feedback cycles. • Scored model-generated answers for various quality metrics • Checked responses for accuracy, completeness, and adherence to instructions • Provided constructive commentary and suggested improvements • Carefully documented ambiguous or problematic examples for further review

2022 - Present
CVAT

Data Labeling Specialist - Image Classification & OCR Review

CVATCVATImageImageClassificationClassification

I performed image classification and visual content review for AI model training and quality control. Responsibilities included object/category checks, visual quality-control comments, and supporting OCR validation projects. Maintained detailed notes and flagged ambiguous or unclear cases for team review. • Classified objects and categories in images and performed quality control • Reviewed visual content for guideline adherence and raised edge cases • Assisted with OCR correction by comparing image and extracted text • Documented audit-ready results and maintained detailed feedback logs

2022 - Present
Label Studio

Data Labeling Specialist - Text Annotation

Label StudioLabel StudioTextTextClassificationClassification

As a Data Labeling Specialist, I worked extensively with Chinese and English text data for annotation and AI training. Tasks included labeling for topic classification, intent detection, sentiment analysis, relevance judgment, and safety-related review. Diligently followed annotation guidelines and provided quality feedback to improve project output. • Labeled diverse text content for classification, intent, sentiment, and policy review • Ensured data consistency and flagged unclear or edge cases for review • Communicated feedback to improve labeling standards • Maintained organized documentation and reflected reviewer feedback promptly

2022 - Present

Education

S

Shanghai University

Bachelor of Engineering, Electrical Engineering and Automation

Bachelor of Engineering
2006 - 2006

Work History

S

Shanghai Technology Services Company

Engineer

Shanghai
2018 - Present
M

Manufacturing Automation Vendor

Project / Technical Support Engineer

Shanghai
2012 - 2017