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O
Oreke C.

Oreke C.

AI Data Annotator & Quality Evaluation Specialist

Nigeria flagPort Harcourt, Nigeria

Key Skills

Software

AppenAppen

Top Subject Matter

Technology – Artificial Intelligence & Machine Learning
Data Annotation – AI Training & Quality Evaluation
E-commerce – Content Moderation & Product Categorization

Top Data Types

TextText
VideoVideo

Top Task Types

Evaluation/RatingEvaluation/Rating
SegmentationSegmentation

Freelancer Overview

Education includes Doctor of Philosophy, Ignatius Ajuru University of Education (2025) and Master of Science, Ignatius Ajuru University of Education (2024).

Labeling Experience

AI Data Annotation Specialist-Appen Projects

TextTextEvaluation/RatingEvaluation/Rating

Experienced in AI training and data labeling through multiple Appen projects such as Ogden, Uolo, Whetstone, and Coffee. Performed data annotation, relevance evaluation, AI-generated response assessment, content categorization, and quality review tasks. Worked with detailed annotation guidelines and maintained consistency, accuracy, and timely task completion across large scale datasets used for machine learning model improvement.

2023 - 2025

Education

I

Ignatius Ajuru University of Education

Master of Science, Human Resource Management

Master of Science
2023 - 2024
I

Ignatius Ajuru University of Education

Bachelor of Science, Human Resource Management

Bachelor of Science
2018 - 2021

Work History

V

Visa Paper Recycling Plant

Operations Manager

Port Harcourt
2021 - 2023