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Paul Walker

Paul Walker

Data Labeling Specialist (Image Annotation)

KENYA flag
Nairobi, Kenya
$20.00/hrEntry LevelOtherTolokaAppen

Key Skills

Software

Other
TolokaToloka
AppenAppen
Axiom AI
ClickworkerClickworker
LabelboxLabelbox
CVATCVAT

Top Subject Matter

Machine Learning
Computer Vision
Behavioral Analysis

Top Data Types

TextText
VideoVideo
AudioAudio
Computer Code ProgrammingComputer Code Programming
ImageImage

Top Task Types

Question Answering
Text Summarization
Transcription
Classification
Bounding Box
Tracking

Freelancer Overview

Data Labeling Specialist (Image Annotation). Brings 5+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Labelbox and CVAT. Education includes Bachelor of Science, Kirinyaga University (2024). AI-training focus includes data types such as Image and Video and labeling workflows including Bounding Box and Tracking.

Entry LevelSwahiliEnglish

Labeling Experience

Data annotation

ImageSegmentation
Performed image and video data labeling to support machine learning models, including bounding boxes, segmentation, classification, and object tracking across frames. Handled large datasets with thousands of images and video sequences while ensuring consistency and accuracy. Followed detailed annotation guidelines and conducted quality checks to maintain high standards (95%+ accuracy). Contributed to creating reliable datasets for computer vision applications.

Performed image and video data labeling to support machine learning models, including bounding boxes, segmentation, classification, and object tracking across frames. Handled large datasets with thousands of images and video sequences while ensuring consistency and accuracy. Followed detailed annotation guidelines and conducted quality checks to maintain high standards (95%+ accuracy). Contributed to creating reliable datasets for computer vision applications.

2023 - Present
CVAT

Data Labeling Specialist (Video Annotation)

CVATVideoTracking
As a Video Annotation Specialist, I performed frame-by-frame labeling and object tracking on video sequences. My responsibilities included labeling human activities and behaviors for behavior analysis projects. The annotated video data was instrumental for training advanced computer vision models. • Tracked moving objects across video frames. • Labeled hundreds of video sequences for action recognition. • Maintained high data standards via quality assurance checks. • Collaborated with team members to optimize workflows.

As a Video Annotation Specialist, I performed frame-by-frame labeling and object tracking on video sequences. My responsibilities included labeling human activities and behaviors for behavior analysis projects. The annotated video data was instrumental for training advanced computer vision models. • Tracked moving objects across video frames. • Labeled hundreds of video sequences for action recognition. • Maintained high data standards via quality assurance checks. • Collaborated with team members to optimize workflows.

2025 - 2025
Labelbox

Data Labeling Specialist (Image Annotation)

LabelboxImageBounding Box
As a Data Labeling Specialist at ATLAS CAPTURE, I was responsible for annotating large datasets of images for machine learning applications. I utilized bounding boxes and segmentation techniques to label objects such as vehicles, people, and products. My work directly contributed to improving AI model training accuracy and dataset quality. • Achieved annotation accuracy rates exceeding 95%. • Labeled thousands of images for computer vision tasks. • Ensured data consistency with detailed validation processes. • Used industry-standard tools for image annotation.

As a Data Labeling Specialist at ATLAS CAPTURE, I was responsible for annotating large datasets of images for machine learning applications. I utilized bounding boxes and segmentation techniques to label objects such as vehicles, people, and products. My work directly contributed to improving AI model training accuracy and dataset quality. • Achieved annotation accuracy rates exceeding 95%. • Labeled thousands of images for computer vision tasks. • Ensured data consistency with detailed validation processes. • Used industry-standard tools for image annotation.

2025 - 2025

Education

K

Kirinyaga university

computer science, computer science

computer science
2022 - 2026
K

Kirinyaga University

Bachelor of Science, Computer Science

Bachelor of Science
2020 - 2024

Work History

N

N/A

Frontend Developer

Nairobi
2022 - Present
A

Atlascapture

Data labelling

Machakos
2023 - 2026