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David Osunlola

David Osunlola

AI Content Reviewer - Technology & Internet

CANADA flag
North York, Canada
$20.00/hrEntry LevelDatatroniqLabel StudioMercor

Key Skills

Software

DatatroniqDatatroniq
Label StudioLabel Studio
MercorMercor
Scale AIScale AI

Top Subject Matter

No subject matter listed

Top Data Types

3D Sensor
AudioAudio
ImageImage
TextText
VideoVideo

Top Label Types

Action Recognition
Audio Recording
Classification
Entity Ner Classification
Object Detection
Text Generation
Text Summarization

Freelancer Overview

I am a detail-oriented professional with hands-on experience in data annotation and labeling for AI and machine learning projects. My background includes categorizing and validating diverse datasets—spanning text, image, audio, and video—to ensure high-quality training data. I have a strong track record of reviewing AI-generated outputs for accuracy, bias, and policy compliance, always adhering to strict guidelines and maintaining confidentiality. My skills in content evaluation, critical thinking, and internet research allow me to identify nuanced issues and edge cases, providing valuable feedback to improve model performance. I am comfortable working in fast-paced, remote environments, quickly adapting to new tools and standards, and am committed to supporting the development of safe and reliable AI systems.

Entry LevelEnglish

Labeling Experience

Scale AI

AI Data Annotator

Scale AIVideoEntity Ner ClassificationText Generation
Contributed to large-scale AI model development by reviewing and annotating diverse datasets including text, image, audio, and video content. The project focused on improving AI system performance, safety, and accuracy through high-quality human evaluation and structured feedback. Responsibilities included labeling and categorizing training data, evaluating AI-generated responses for accuracy and policy compliance, identifying bias and safety risks, and flagging ambiguous or harmful content. Applied detailed annotation guidelines to ensure consistency across datasets while meeting strict quality and productivity benchmarks. Provided structured feedback on edge cases and model errors to enhance model alignment, reliability, and ethical standards. Maintained confidentiality and adhered to data privacy requirements throughout the project lifecycle.

Contributed to large-scale AI model development by reviewing and annotating diverse datasets including text, image, audio, and video content. The project focused on improving AI system performance, safety, and accuracy through high-quality human evaluation and structured feedback. Responsibilities included labeling and categorizing training data, evaluating AI-generated responses for accuracy and policy compliance, identifying bias and safety risks, and flagging ambiguous or harmful content. Applied detailed annotation guidelines to ensure consistency across datasets while meeting strict quality and productivity benchmarks. Provided structured feedback on edge cases and model errors to enhance model alignment, reliability, and ethical standards. Maintained confidentiality and adhered to data privacy requirements throughout the project lifecycle.

2025

Education

C

Coursera

Professional Certificate, Cybersecurity

Professional Certificate
2025 - 2025
B

Bells University

Bachelor of Business Administration, Business Administration

Bachelor of Business Administration
2022 - 2022

Work History

C

Computer Warehouse Group

IT Service Desk Analyst

Lagos
2024 - 2025