William C.

Key Skills

Software

Other

Top Subject Matter

AI training data annotation and quality evaluation (multilingual content)

Top Data Types

Text

Image

Top Task Types

Bounding Box

Polygon

Segmentation

Classification

Entity (NER) Classification

Point/Key Point

Freelancer Overview

AI Data Contributor (Remote) - RWS Language Data Services. Brings 3+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other. Education includes Degree in Digital Marketing and Artificial Intelligence, N/A. AI-training focus includes data types such as Text and labeling workflows including Evaluation and Rating.

Labeling Experience

AI Data Contributor (Remote) - RWS Language Data Services

OtherText

Conducted AI dataset annotation and content evaluation to improve downstream AI system performance. Rated and assessed content for relevance and quality according to task guidelines and deadlines. Worked with multilingual inputs to support accurate labeling across languages. • Annotated text content for AI training. • Evaluated outputs for relevance and quality. • Ensured adherence to strict timing and accuracy requirements. • Applied English and Swahili language knowledge during review.

2024 - Present

Education

Work History