Hua O.

Key Skills

Software

No software listed

Top Subject Matter

Social media

Ai/technology Domain Expertise

Consumer electronics

Top Data Types

Text

Image

Top Task Types

Entity (NER) Classification

Object Detection

Freelancer Overview

Data Annotation Professional (Text). Brings 2+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Internal and Proprietary Tooling. Education includes Bachelor's Degree, N/A (2024). AI-training focus includes data types such as Text and Image and labeling workflows including Entity (NER) Classification and Object Detection.

Labeling Experience

Data Annotation Professional (Image)

ImageObject Detection

In image annotation, I conducted image classification, scene recognition labeling, and object detection using bounding box techniques. My tasks included image content moderation, safety labeling, and image-text matching evaluation. I ensured high content quality and compliance with platform safety standards through diligent labeling. • Maintained 100% on-time delivery of image labeling assignments. • Proficient in annotating 300–500 images daily, handling a variety of task complexities. • Followed annotation guidelines and conducted quality audits with a 98%+ pass rate. • Supported content quality scoring and pairwise comparison for image datasets.

2022 - Present

Data Annotation Professional (Text)

TextEntity (NER) Classification

As a text annotation professional, I performed classification, sentiment analysis, and named entity recognition on a wide range of text content. I contributed to intent recognition, conversation classification, sensitive content identification, and topic summarization. My responsibilities included comparative annotation, quality assessment, and keyword extraction for diverse projects. • Maintained over 98% annotation accuracy and 95%+ consistency across tasks. • Adhered to and participated in developing annotation SOPs and guidelines for 10+ content types. • Used mainstream and internal annotation tools, demonstrating rapid tool onboarding. • Specialized in social media, AI/technology, consumer electronics, and digital news content.

2022 - Present

Education

Work History