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Adetunji Adekunle

Training Data Quality Analyst

Nigeria flagOsogbo, Nigeria
$10.00/hrIntermediateEncordAppenLabel Studio

Key Skills

Software

EncordEncord
AppenAppen
Label StudioLabel Studio
LabelboxLabelbox

Top Subject Matter

Legal Services & Contract Review
Regulatory Compliance & Risk Analysis
Legal Research & Document Analysis

Top Data Types

TextText
DocumentDocument

Top Task Types

Text GenerationText Generation
Text SummarizationText Summarization
Question AnsweringQuestion Answering
TranscriptionTranscription
Data CollectionData Collection

Freelancer Overview

I have solid experience in data labeling and AI training data preparation, with a strong focus on accuracy, consistency, and adherence to annotation guidelines. My work has involved labeling text, images, and structured datasets for machine learning models, including tasks such as text classification, sentiment analysis, entity recognition, and content moderation. I am highly detail-oriented and skilled at maintaining high-quality standards across large datasets, ensuring that outputs are reliable and model-ready. What sets me apart is my ability to quickly understand project-specific guidelines, adapt to different annotation tools, and deliver within tight deadlines without compromising quality. I also bring strong analytical thinking, which helps me identify edge cases and improve labeling consistency. Additionally, my background in structured documentation and content creation enhances my ability to communicate clearly, follow complex instructions, and contribute effectively to AI training workflows.

IntermediateEnglish

Labeling Experience

Training Data Quality Analyst

TextData Collection
AI Training Data Quality Enhancement and Validation This project focused on improving the accuracy, consistency, and reliability of datasets used for training machine learning models. As a Training Data Quality Analyst, I was responsible for reviewing and validating large volumes of annotated data across multiple formats, including text and image datasets. The goal was to ensure that all labeled data strictly adhered to project guidelines and met the quality standards required for optimal model performance. This involved conducting detailed quality assurance checks, identifying annotation errors, and correcting inconsistencies to enhance dataset integrity. Throughout the project, I collaborated closely with data annotators and project managers to clarify labeling instructions and provide actionable feedback for continuous improvement. I also tracked recurring errors, identified edge cases, and contributed to refining annotation guidelines to reduce ambiguity and increase consistency. Using annotation and data review tools, I monitored quality metrics and ensured timely delivery of high-quality datasets. This project strengthened my ability to maintain precision under tight deadlines while contributing to the development of reliable and efficient AI systems.

AI Training Data Quality Enhancement and Validation This project focused on improving the accuracy, consistency, and reliability of datasets used for training machine learning models. As a Training Data Quality Analyst, I was responsible for reviewing and validating large volumes of annotated data across multiple formats, including text and image datasets. The goal was to ensure that all labeled data strictly adhered to project guidelines and met the quality standards required for optimal model performance. This involved conducting detailed quality assurance checks, identifying annotation errors, and correcting inconsistencies to enhance dataset integrity. Throughout the project, I collaborated closely with data annotators and project managers to clarify labeling instructions and provide actionable feedback for continuous improvement. I also tracked recurring errors, identified edge cases, and contributed to refining annotation guidelines to reduce ambiguity and increase consistency. Using annotation and data review tools, I monitored quality metrics and ensured timely delivery of high-quality datasets. This project strengthened my ability to maintain precision under tight deadlines while contributing to the development of reliable and efficient AI systems.

2024 - 2025

Education

O

Osun State University

Bachelor of Science, Civil Engineering

Bachelor of Science
2013 - 2018
V

Victory Model College

Senior Secondary School Certificate, General Secondary Education

Senior Secondary School Certificate
2008 - 2013

Work History

E

Esteem International School

Liaison Officer

Osogbo
2020 - Present
E

El-Design Nigeria Limited

Site Engineer Intern

Ibadan
2017 - 2017