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J

Joel Bartholomew

AI Data Annotation & Content Specialist (Freelance / Multiple Clients)

Nigeria flagN/A, Nigeria
$10.00/hrEntry LevelOther

Key Skills

Software

Other

Top Subject Matter

Health Domain Expertise
Science Domain Expertise
General Content

Top Data Types

TextText
VideoVideo
ImageImage
DocumentDocument

Top Task Types

ClassificationClassification

Freelancer Overview

AI Data Annotation & Content Specialist (Freelance / Multiple Clients). Brings 4+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other. Education includes Bachelor of Nursing Science, Nnamdi Azikiwe University, Nnewi Campus (2025). AI-training focus includes data types such as Text and Video and labeling workflows including Evaluation, Rating, and Classification.

Entry LevelEnglish

Labeling Experience

AI Output Reviewer & Annotator (General/Multiple Projects)

OtherText
Reviewed and rated the accuracy, appropriateness, and quality of AI output scripts and written materials. Participated in evaluating and ranking model responses to improve AI system outputs and training data. Focused on annotation guideline compliance and fact-checking for mission-critical content. • Compared model outputs for inconsistencies and factual errors. • Labeled content for further AI training and evaluation. • Used a consistent standard for QA and annotation across platforms. • Supported model improvement through structured output reviews.

Reviewed and rated the accuracy, appropriateness, and quality of AI output scripts and written materials. Participated in evaluating and ranking model responses to improve AI system outputs and training data. Focused on annotation guideline compliance and fact-checking for mission-critical content. • Compared model outputs for inconsistencies and factual errors. • Labeled content for further AI training and evaluation. • Used a consistent standard for QA and annotation across platforms. • Supported model improvement through structured output reviews.

2023 - Present

AI Video Data Annotator & Reviewer (Freelance)

OtherVideoClassification
Managed and labeled short-form educational videos generated by AI for client and personal projects. Conducted quality assurance to ensure accuracy, tone, and messaging aligned with content goals. Oversaw the end-to-end review pipeline for over 50 videos using multiple AI tools. • Used ChatGPT, Claude, Grok, Whisk, and ElevenLabs for video content creation and review. • Classified videos by subject, intended audience, and factual correctness. • Performed final checks before publication to uphold quality standards. • Revised content when AI output required correction or clarification.

Managed and labeled short-form educational videos generated by AI for client and personal projects. Conducted quality assurance to ensure accuracy, tone, and messaging aligned with content goals. Oversaw the end-to-end review pipeline for over 50 videos using multiple AI tools. • Used ChatGPT, Claude, Grok, Whisk, and ElevenLabs for video content creation and review. • Classified videos by subject, intended audience, and factual correctness. • Performed final checks before publication to uphold quality standards. • Revised content when AI output required correction or clarification.

2023 - Present

FYNI Nursing Education Content Series Contributor

OtherText
Reviewed and annotated AI-generated scripts for the FYNI Nursing Education Content Series. Focused on accuracy and appropriateness of health content for student nurses. Ensured all materials met medical standards and were suitable for educational use. • Checked AI-generated scripts for factual errors and tone. • Collaborated in producing and improving short-form educational content. • Applied medical education expertise in annotation tasks. • Contributed to an ongoing content pipeline supporting nursing students.

Reviewed and annotated AI-generated scripts for the FYNI Nursing Education Content Series. Focused on accuracy and appropriateness of health content for student nurses. Ensured all materials met medical standards and were suitable for educational use. • Checked AI-generated scripts for factual errors and tone. • Collaborated in producing and improving short-form educational content. • Applied medical education expertise in annotation tasks. • Contributed to an ongoing content pipeline supporting nursing students.

2023 - Present

AI Data Annotation & Content Specialist (Freelance / Multiple Clients)

OtherText
Reviewed, labeled, and rated AI-generated scripts, video scripts, and short-form media content for quality and accuracy. Used AI platforms to compare, classify, and select optimal outputs across various client projects. Ensured content was appropriate for specific audiences, particularly in the health and science domains, through rigorous fact-checking and review. • Compared outputs from ChatGPT, Claude, and Grok for consistency and accuracy. • Labeled script and video content by category, tone, and factual correctness. • Reviewed and annotated educational health content for a nursing audience. • Managed AI content workflows and performed quality assurance on over 100 outputs.

Reviewed, labeled, and rated AI-generated scripts, video scripts, and short-form media content for quality and accuracy. Used AI platforms to compare, classify, and select optimal outputs across various client projects. Ensured content was appropriate for specific audiences, particularly in the health and science domains, through rigorous fact-checking and review. • Compared outputs from ChatGPT, Claude, and Grok for consistency and accuracy. • Labeled script and video content by category, tone, and factual correctness. • Reviewed and annotated educational health content for a nursing audience. • Managed AI content workflows and performed quality assurance on over 100 outputs.

2023 - Present

Education

N

Nnamdi Azikiwe University, Nnewi Campus

Bachelor of Nursing Science, Nursing Science

Bachelor of Nursing Science
2021 - 2025

Work History

I

Independent Clients

Freelance Video Editor

N/A
2023 - Present
O

Oppi Wallet

Sponsored Content Creator

N/A
2025 - 2025