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Emmanuel Dagunduro

Emmanuel Dagunduro

AI Data Annotator & QA Reviewer (Contract)

Nigeria flagLagos, Nigeria
IntermediateScale AI

Key Skills

Software

Scale AIScale AI

Top Subject Matter

AI/ML model training
Text classification (sentiment, intent, category)
Legal Services & Contract Review

Top Data Types

TextText
DocumentDocument

Top Task Types

ClassificationClassification

Freelancer Overview

AI Data Annotator & QA Reviewer (Contract). Brings 4+ years of professional experience across legal operations, contract review, compliance, and structured analysis. Core strengths include Scale AI, N, and A. Education includes Bachelor of Science, University of Ibadan (2021). AI-training focus includes data types such as Text and labeling workflows including Classification.

Intermediate

Labeling Experience

Personal Project: Text Dataset Annotation

TextClassification
Manually annotated text datasets for classification tasks such as sentiment analysis, intent detection, and categorization as a personal project. Focused on ensuring clear label definitions and accurate data assignments to support future machine learning models. Documented labeling decisions and maintained consistency throughout the process. • Annotated various text samples for supervised learning. • Developed clear annotation guidelines for personal use. • Performed quality checks and resolved ambiguous cases. • Managed data organization for future model training.

Manually annotated text datasets for classification tasks such as sentiment analysis, intent detection, and categorization as a personal project. Focused on ensuring clear label definitions and accurate data assignments to support future machine learning models. Documented labeling decisions and maintained consistency throughout the process. • Annotated various text samples for supervised learning. • Developed clear annotation guidelines for personal use. • Performed quality checks and resolved ambiguous cases. • Managed data organization for future model training.

2023 - 2023
Scale AI

AI Data Annotator & QA Reviewer (Contract)

Scale AITextClassification
Labeled and annotated text datasets for use in machine learning models, ensuring adherence to project guidelines and accuracy. Reviewed, validated, and performed quality assurance on annotation results to maintain dataset reliability and consistency. Consistently achieved productivity and quality targets across multiple annotation workflows, adapting to evolving instructions and requirements. • Performed text classification and categorization. • Assessed and validated annotation outputs for accuracy. • Conducted quality checks to identify and correct errors. • Ensured compliance with annotation guidelines at all times.

Labeled and annotated text datasets for use in machine learning models, ensuring adherence to project guidelines and accuracy. Reviewed, validated, and performed quality assurance on annotation results to maintain dataset reliability and consistency. Consistently achieved productivity and quality targets across multiple annotation workflows, adapting to evolving instructions and requirements. • Performed text classification and categorization. • Assessed and validated annotation outputs for accuracy. • Conducted quality checks to identify and correct errors. • Ensured compliance with annotation guidelines at all times.

2022 - 2023

Education

U

University of Ibadan

Bachelor of Science, Physics

Bachelor of Science
2017 - 2021

Work History

H

Hugo

Fraud Analyst and Customer Experience Agent

Lagos
2024 - Present
P

Paystack

Fraud Analyst and Customer Experience Agent

Lagos
2023 - 2024