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Kelechi Onunkwo

Kelechi Onunkwo

AI Data Annotation Specialist

NIGERIA flag
Enugu, Nigeria
$18.00/hrExpertOther

Key Skills

Software

Other

Top Subject Matter

E-commerce/AI Evaluation
E-commerce/AI Evaluation/Academic Research

Top Data Types

TextText
VideoVideo

Top Task Types

Bounding Box
Entity Ner Classification

Freelancer Overview

AI Data Annotation Specialist. Brings 4+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other. Education includes Bachelor of Arts, Chukwuemeka Odumegwu Ojukwu University (2023). AI-training focus includes data types such as Text and labeling workflows including Evaluation and Rating.

ExpertIgboEnglish

Labeling Experience

Data Research and Project Assistant

OtherText
As a Data Research and Project Assistant, I was responsible for data annotation related to product categorization and AI prompt evaluation. I ensured annotated data aligned with project requirements and that AI-generated outputs met factual standards. My role also included reviewing other annotators’ submissions and providing actionable feedback for data quality improvement. • Verified product categorization accuracy on web platforms. • Assessed AI responses to prompts for factual correctness. • Offered constructive feedback to multiple data contributors. • Supported scalable data annotation pipelines for academic research and AI model training.

As a Data Research and Project Assistant, I was responsible for data annotation related to product categorization and AI prompt evaluation. I ensured annotated data aligned with project requirements and that AI-generated outputs met factual standards. My role also included reviewing other annotators’ submissions and providing actionable feedback for data quality improvement. • Verified product categorization accuracy on web platforms. • Assessed AI responses to prompts for factual correctness. • Offered constructive feedback to multiple data contributors. • Supported scalable data annotation pipelines for academic research and AI model training.

2023 - 2025

AI Data Annotation Specialist

OtherText
As an AI Data Annotation Specialist, I performed product categorization and AI response evaluation for shopping websites. My tasks involved ensuring the accuracy of product placements and assessing the factual correctness of AI-generated content. I also reviewed peer submissions and provided constructive feedback to ensure high-quality data annotations. • Conducted rigorous product category verification on e-commerce platforms. • Performed evaluation and factuality checks on AI-generated responses. • Delivered detailed feedback to annotation contributors for quality assurance. • Collaborated to maintain scalable and precise data preparation for AI model training.

As an AI Data Annotation Specialist, I performed product categorization and AI response evaluation for shopping websites. My tasks involved ensuring the accuracy of product placements and assessing the factual correctness of AI-generated content. I also reviewed peer submissions and provided constructive feedback to ensure high-quality data annotations. • Conducted rigorous product category verification on e-commerce platforms. • Performed evaluation and factuality checks on AI-generated responses. • Delivered detailed feedback to annotation contributors for quality assurance. • Collaborated to maintain scalable and precise data preparation for AI model training.

2023 - 2025

Education

C

Chukwuemeka Odumegwu Ojukwu University

Bachelor of Arts, Marketing

Bachelor of Arts
2018 - 2023

Work History

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Fiverr

Content Writer/Scriptwriter

Enugu
2023 - Present
U

Upwork

AI Data Annotation Specialist

enugu
2023 - 2025