Jingwen Y.

Key Skills

Software

No software listed

Top Subject Matter

AI Training Data

Legal Services & Contract Review

Regulatory Compliance & Risk Analysis

Top Data Types

Text

Image

Document

Top Task Types

Classification

Object Detection

Freelancer Overview

Data Annotation Specialist / AI Training Data Assistant. Brings 2+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Basic Annotation Platforms. Education includes Bachelor of Science, Guangxi University of Foreign Languages (2021). AI-training focus includes data types such as Text and Image and labeling workflows including Classification and Object Detection.

Labeling Experience

Data Annotation Specialist / AI Training Data Assistant

ImageObject Detection

Assisted with image annotation tasks, including object labeling, image classification, and bounding box review for AI training purposes. Carefully reviewed visual content to ensure accuracy and compliance with project standards. Participated in quality checking by verifying labeled images and noting annotation errors or inconsistencies. • Conducted object labeling and bounding box annotation • Performed image classification and content verification • Identified and documented labeling issues or errors • Supported visual dataset preparation and quality review

Present

Data Annotation Specialist / AI Training Data Assistant

TextClassification

As a Data Annotation Specialist, I participated in labeling and classifying text data samples to support AI training. My tasks included intent recognition, sentiment classification, entity labeling, and content categorization while ensuring guideline compliance and data accuracy. I also contributed to data cleaning by removing invalid, incomplete, or duplicate records and reviewing inconsistencies. • Performed entity labeling, sentiment analysis, and text classification • Tagging and categorization of text data for machine learning purposes • Conducted data cleaning and identified annotation errors • Prepared correction notes and feedback to improve guideline clarity

Present

Education

Work History