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Reginald O.

Reginald O.

AI Data Annotator & Analyst

Nigeria flagAbuja, Nigeria

Key Skills

Software

ClickworkerClickworker
Data Annotation TechData Annotation Tech
Micro1
MercorMercor
MindriftMindrift
TolokaToloka

Top Subject Matter

Healthcare - Medical Records & Patient Data
Cryptocurrency & Web3 - Data Analysis & Evaluation
Artificial Intelligence & Technology - AI Training & Workflow

Top Data Types

ImageImage
DocumentDocument
TextText

Top Task Types

ClassificationClassification
SegmentationSegmentation
Evaluation/RatingEvaluation/Rating
Data CollectionData Collection

Freelancer Overview

My experience in AI training data and content labeling is rooted in my work as a Content Writer and Strategist at Omniminds.AI, where I collaborated directly with product managers and technical stakeholders to produce structured, accurate, and audience-specific content that trained and demonstrated AI-assisted workflows across multiple industries. This work required a precise understanding of how AI models interpret and respond to language — ensuring that every piece of content I produced was not just readable but structurally consistent, tonally accurate, and aligned with the model's intended output parameters. The ability to write with that level of intentionality — understanding the downstream impact of word choice, sentence structure, and content framing on AI performance — is a skill most content writers do not develop, and one I applied consistently throughout that engagement. I also have a great combination of strong English writing fundamentals, deep familiarity with AI tools and content generation workflows, and a critical editorial eye that goes beyond surface-level review. I have used AI models extensively — not just as a user but as someone who evaluates output quality, identifies errors in tone, logic, and factual accuracy, and refines responses to meet defined quality standards. I understand what good AI output looks like and, more importantly, what bad output looks like — and I can articulate the difference clearly and consistently. That combination of writing precision, AI tool proficiency, and quality evaluation instinct is directly transferable to data labeling and AI training data roles where accuracy, consistency, and structured judgment are the core requirements.

Labeling Experience

AI I Content Reviewer & Data Labeling Contributor

TextTextEvaluation/RatingEvaluation/Rating

Reviewed, evaluated, and refined AI-generated content drafts to ensure outputs met defined quality standards before publication — combining editorial judgment, subject matter familiarity, and structured feedback to improve model output consistency across diverse content categories and audience segments.

2025 - 2025

Education

U

University of Nigeria

Bachelor of Science, Physiotherapy

Bachelor of Science
2016 - 2020

Work History

F

FirstRide

Social Media Manager & Ads Specialist | Project Manager

Abuja
2026 - Present
C

Cadena Bitcoin

Senior Content Writer & Editor

San Salvador
2025 - Present