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Margaret Onatade

Margaret Onatade

AI Data Annotator | Video & Image Labeling | Quality Assurance Specialist

Nigeria flagLagos, Nigeria
$10.00/hrIntermediateClickworkerGoogle Cloud Vertex AIToloka

Key Skills

Software

ClickworkerClickworker
Google Cloud Vertex AIGoogle Cloud Vertex AI
TolokaToloka
RemotasksRemotasks
Data Annotation TechData Annotation Tech
LabelboxLabelbox
MercorMercor
ProdigyProdigy
CVATCVAT

Top Subject Matter

Artificial Intelligence (AI) & Machine Learning
Media & Entertainment
Computer Vision

Top Data Types

VideoVideo
DocumentDocument
ImageImage

Top Task Types

Question AnsweringQuestion Answering
Data CollectionData Collection
Text GenerationText Generation
Text SummarizationText Summarization
TranscriptionTranscription
ClassificationClassification
Object DetectionObject Detection
Evaluation/RatingEvaluation/Rating
Bounding BoxBounding Box

Freelancer Overview

I am a detail-oriented professional with experience in executive support and structured data work, currently focused on AI training and data annotation tasks. I have developed strong skills in data labeling, quality assurance, and working with structured datasets, ensuring accuracy and consistency in all assigned tasks. Through my background as a Senior Executive Assistant in the media industry, I have built strong organizational skills, attention to detail, and the ability to manage complex, fast-paced work with precision. These skills translate effectively into AI-related tasks such as data annotation, content evaluation, and quality control. I am experienced in working with strict guidelines, identifying errors in data, and maintaining high standards of accuracy, especially when handling sensitive or structured information. I am committed to producing reliable, high-quality outputs that support machine learning model development.

IntermediateEnglish

Labeling Experience

Image and Text Data Labeling for AI Training

ImageClassification
Completed structured data labeling tasks involving image annotation and text classification for AI model training. Activities included identifying objects in images, writing descriptive labels, and evaluating text outputs for relevance and accuracy. Focused on maintaining high data quality, consistency, and adherence to strict annotation guidelines to improve dataset reliability.

Completed structured data labeling tasks involving image annotation and text classification for AI model training. Activities included identifying objects in images, writing descriptive labels, and evaluating text outputs for relevance and accuracy. Focused on maintaining high data quality, consistency, and adherence to strict annotation guidelines to improve dataset reliability.

2026 - 2026

Video Moment Retrieval Annotation (Food Domain)

VideoObject Detection
Worked on AI training data involving cooking videos, identifying and marking specific actions within video timelines such as chopping ingredients, stirring, baking, and plating dishes. Tasks included precise temporal boundary annotation, action classification, and writing clear visual descriptions of observed events. Ensured high accuracy in segment timing and followed strict labeling guidelines to support machine learning model training for video understanding systems.

Worked on AI training data involving cooking videos, identifying and marking specific actions within video timelines such as chopping ingredients, stirring, baking, and plating dishes. Tasks included precise temporal boundary annotation, action classification, and writing clear visual descriptions of observed events. Ensured high accuracy in segment timing and followed strict labeling guidelines to support machine learning model training for video understanding systems.

2026 - 2026

Education

N

National Open University of Nigeria

Bachelor of Arts, English Language

Bachelor of Arts
2020 - 2024
G

Gateway ICT Polytechnic

Diploma, Mass Communication

Diploma
2016 - 2018

Work History

L

Leen Premium Water

Social Media Manager

Lagos
2024 - Present
P

Prove Outdoor Media

Senior Executive Assistant

Lagos
2018 - 2025