John Naphtali O.

Key Skills

Software

CVAT

Top Subject Matter

AI Training Data

Legal Services & Contract Review

Regulatory Compliance & Risk Analysis

Top Data Types

Image

Text

Document

Top Task Types

Bounding Box

Freelancer Overview

Data Labeling Specialist (Freelance / Remote Projects). Core strengths include CVAT. Education includes Bachelor's Degree, National Open University of Nigeria (2014). AI-training focus includes data types such as Image and labeling workflows including Bounding Box.

Labeling Experience

Data Labeling Specialist (Freelance / Remote Projects)

CVATImageBounding Box

As a Data Labeling Specialist for freelance and remote projects, I performed image, video, and text labeling tasks to support machine learning and AI model training. My responsibilities included applying bounding boxes, segmentation, and classification labels across large, diverse datasets. I consistently ensured high accuracy and adhered to annotation guidelines while collaborating with QA teams to improve productivity and data quality. • Annotated and reviewed large datasets for AI/ML model training • Applied bounding boxes, segmentation tags, and metadata labeling • Achieved over 95% accuracy rate on assigned labeling projects • Conducted quality assurance checks aligned with project standards

2023 - Present

Education

Work History