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R
Ridwan A.

Ridwan A.

AI Training & Data Annotation Specialist | M.Sc. Statistics | Research Analyst

Nigeria flagAbuja, Nigeria

Key Skills

Software

OneFormaOneForma
TolokaToloka
ClickworkerClickworker

Top Subject Matter

Data Annotation – Text Classification, Search Relevance, and Content Evaluation
Artificial Intelligence – Training Data & Model Evaluation
Statistics – Quantitative Analysis & Data Interpretation

Top Data Types

TextText
ImageImage
DocumentDocument

Top Task Types

ClassificationClassification
Text SummarizationText Summarization
TranscriptionTranscription

Freelancer Overview

I have hands-on experience with data labeling, annotation, and AI training projects on platforms like Toloka, OneForma, and UHRS. My work has included evaluating content, categorizing data, checking search relevance, verifying information, and maintaining quality standards. These roles have helped me develop strong attention to detail and the ability to work accurately with large amounts of data. I also hold a Master’s degree in Statistics and currently work as a lecturer. This background has strengthened my analytical, research, and problem-solving skills. I am comfortable using tools such as Excel, R, SPSS, and Power BI, and I take pride in delivering accurate, reliable, and high-quality results while continuously learning and improving my skills.

Labeling Experience

Online Research and Data Verification Analyst

TextTextClassificationClassification

Conducted online research and fact verification tasks using multiple sources. Organized and validated information to improve dataset quality and reliability. Applied critical thinking and research skills to support AI training and evaluation projects.

2025 - 2025

Content Quality and Data Annotation Specialist

TextTextClassificationClassification

Performed data annotation and categorization tasks on various datasets. Reviewed content for quality, relevance, and compliance with project requirements. Maintained high annotation accuracy while following detailed instructions and quality standards.

2023 - 2023

Search Relevance Evaluator

TextTextClassificationClassification

Evaluated search results for relevance and quality based on detailed guidelines. Assessed the relationship between user queries and returned results, ensuring accuracy and consistency. Applied analytical reasoning and attention to detail to support AI model training and search quality improvement.

2022 - 2022

Education

U

University of Ilorin

MSc, Statistics

MSc
2018 - 2021
U

University of Ilorin

BSc, Statistics

BSc
2012 - 2016

Work History

F

FCT College of Education

Lecturer

Abuja
2023 - Present