John K.

Key Skills

Software

CVAT

LabelImg

Labelbox

Roboflow

Supervisely

Top Subject Matter

Street images / computer vision datasets

Top Data Types

Image

Text

Video

Top Task Types

Bounding Box

Polygon

Point/Key Point

Freelancer Overview

Freelance Data Labeler | Self-Employed, Nairobi, Kenya. Core strengths include CVAT and Roboflow. Education includes Certificate in Information Technology, Nachu College (2022) and Kenya Certificate of Secondary Education, St John Kanunga High School (2021). AI-training focus includes data types such as Image and labeling workflows including Bounding Box.

Labeling Experience

Freelance Data Labeler

CVATImageBounding Box

As a Freelance Data Labeler, I annotated street images with bounding boxes and polygons for AI training datasets. I ensured high accuracy and quality assurance in all labeled data using CVAT and mobile annotation tools. My daily work routine delivered consistent results that met stringent quality standards. • Labeled over 500 street images for AI model development • Performed both bounding box and polygon annotation • Maintained a 98% accuracy rate across projects • Worked 4+ hours per day, 6 days a week

2026 - Present

Education

Work History