James L.

Key Skills

Software

Other

Top Subject Matter

AI training data annotation

quality assurance

and content verification for machine learning systems

Top Data Types

Text

Audio

Image

Top Task Types

Classification

Transcription

Fine-tuning

Text Generation

Object Detection

Freelancer Overview

Data Annotator / AI Training Specialist at Upwork (2023 – Present). Brings 6+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other. Education includes Master of Science, NYU Tandon School of Engineering (2020) and Bachelor of Science, Colorado State University (2017). AI-training focus includes data types such as Text and labeling workflows including Classification.

Labeling Experience

Data Annotator / AI Training Specialist at Upwork (2023 – Present)

OtherTextClassification

Annotated and labeled multi-modal training datasets to support AI model learning and machine learning workflows. Followed detailed annotation guidelines to maintain consistency, accuracy, and high-quality outputs. Performed quality assurance and fact checking to detect incorrect or unclear data and improve dataset reliability by 30%. • Labeled and reviewed text, image, audio, and visual content for AI training tasks. • Provided context-aware classification and clarifying feedback for labeling outputs. • Flagged inconsistencies and reviewed AI-generated responses for accuracy and logical consistency. • Managed multiple annotation tasks while meeting strict deadlines and productivity targets.

2023 - Present

Education

Work History