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J
John J.

John J.

AI Data Labeling & Annotation Specialist

Nigeria flagLagos, Nigeria

Key Skills

Software

CVATCVAT
LabelImgLabelImg
SuperviselySupervisely
Label StudioLabel Studio
RoboflowRoboflow

Top Subject Matter

Natural Language Processing – Text Annotation & RLHF
Computer Vision – Image & Video Annotation
Artificial Intelligence – AI Training & Data Annotation

Top Data Types

VideoVideo
ImageImage
TextText

Top Task Types

Bounding BoxBounding Box
SegmentationSegmentation
ClassificationClassification
Object DetectionObject Detection
Entity (NER) ClassificationEntity (NER) Classification
RLHFRLHF
Evaluation/RatingEvaluation/Rating
TranscriptionTranscription

Freelancer Overview

Graphics Design Team Lead. Brings 8+ years of professional experience across complex professional workflows, research, and quality-focused execution. Education includes Bachelor of Science, University of Benin.

Labeling Experience

AI Image Annotation & Data Labeling Specialist

ImageImageBounding BoxBounding Box

Worked on AI training and data labeling projects involving image annotation for machine learning models. Labeled and categorized objects using bounding boxes and quality assurance techniques to improve dataset accuracy. Collaborated with project guidelines to ensure high-quality annotations for computer vision applications such as object detection, facial recognition, and autonomous systems. Demonstrated attention to detail, consistency, and efficient workflow management while meeting project deadlines.

2025 - 2026

Education

U

University of Benin

Bachelor of Science, Computer Science

Bachelor of Science
Not specified

Work History

F

Freelancer

UI/UX Designer (Freelance)

N/A
2024 - Present
O

O-Sophia It Services

Graphics Design Team Lead

Benin City
2023 - 2024