William Green

Key Skills

Software

CVAT

Top Subject Matter

No subject matter listed

Top Data Types

Image

Top Label Types

Classification

Freelancer Overview

I am a detail-oriented Data Labeling and Annotation Specialist with hands-on experience annotating and validating image, text, and audio datasets for AI and machine learning projects. My background includes maintaining a 98%+ accuracy rate while carefully following project guidelines, performing quality assurance checks, and correcting labeling errors to ensure data consistency. I am skilled in image and video classification, sentiment analysis, and audio tagging, and I am proficient with tools like Microsoft Excel, Google Sheets, and cloud-based workflow platforms. I thrive in remote work environments, manage my time effectively, and consistently deliver precise results that support the development of high-quality AI systems.

Labeling Experience

Data Labeling Specialist (Freelance / Contract)

CVATImageClassification

Annotated and categorized large image, text, and audio datasets for use in machine learning model training. Consistently maintained a 98% or higher accuracy rate by strictly adhering to detailed project guidelines. Conducted quality control reviews to identify and correct labeling errors. • Experience with both image, text, and audio classification tasks. • Applied detailed annotation instructions to ensure consistency. • Performed dataset validation and quality assurance checks. • Collaborated remotely and independently met deadlines.

Annotated and categorized large image, text, and audio datasets for use in machine learning model training. Consistently maintained a 98% or higher accuracy rate by strictly adhering to detailed project guidelines. Conducted quality control reviews to identify and correct labeling errors. • Experience with both image, text, and audio classification tasks. • Applied detailed annotation instructions to ensure consistency. • Performed dataset validation and quality assurance checks. • Collaborated remotely and independently met deadlines.

2023

Education

Work History