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Chinonso Valentine Ugwumba

Chinonso Valentine Ugwumba

Data Annotation & Data Handling (Projects)

NIGERIA flag
Ibadan, Nigeria
$5.00/hrIntermediateData Annotation TechOneformaToloka

Key Skills

Software

Data Annotation TechData Annotation Tech
OneFormaOneForma
TolokaToloka
MercorMercor
ClickworkerClickworker

Top Subject Matter

Engineering Domain Expertise
Simulation Domain Expertise
3D Printing

Top Data Types

TextText
ImageImage
DocumentDocument

Top Task Types

Classification
Evaluation Rating
Text Summarization
Question Answering

Freelancer Overview

Data Annotation & Data Handling (Projects). Brings 3+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Microsoft Excel. Education includes Bachelor of Science, Obafemi Awolowo University (2025). AI-training focus includes data types such as Text and Image and labeling workflows including Classification.

IntermediateEnglish

Labeling Experience

Process Optimization Project (Data Labeling)

ImageClassification
I labeled and categorized experimental image data to support 3D printing process optimization projects. My efforts contributed to identifying key patterns for improving printing efficiency and output quality. I ensured that image labeling followed project-specific guidelines for accuracy. • Performed image categorization for 3D printing optimization • Collaborated to identify process improvement patterns • Upheld consistency and accuracy in dataset labeling • Utilized Microsoft Excel for image data tracking and analysis.

I labeled and categorized experimental image data to support 3D printing process optimization projects. My efforts contributed to identifying key patterns for improving printing efficiency and output quality. I ensured that image labeling followed project-specific guidelines for accuracy. • Performed image categorization for 3D printing optimization • Collaborated to identify process improvement patterns • Upheld consistency and accuracy in dataset labeling • Utilized Microsoft Excel for image data tracking and analysis.

Not specified

Data Annotation & Data Handling (Projects)

TextClassification
I labeled and annotated text datasets for machine learning and AI workflows focused on engineering and simulation tasks. My responsibilities included ensuring data accuracy, performing data validation, and categorizing variables in alignment with specific project guidelines. Throughout the process, I maintained strict consistency across large volumes of text data. • Labeled text for AI training and predictive modeling • Conducted quality assurance and data validation reviews • Used Microsoft Excel for structured data processing • Categorized variables supporting simulation and engineering projects.

I labeled and annotated text datasets for machine learning and AI workflows focused on engineering and simulation tasks. My responsibilities included ensuring data accuracy, performing data validation, and categorizing variables in alignment with specific project guidelines. Throughout the process, I maintained strict consistency across large volumes of text data. • Labeled text for AI training and predictive modeling • Conducted quality assurance and data validation reviews • Used Microsoft Excel for structured data processing • Categorized variables supporting simulation and engineering projects.

Not specified

Education

O

Obafemi Awolowo University

Bachelor of Science, Chemical Engineering

Bachelor of Science
2019 - 2025

Work History

N

N/A

Chemical Engineering Trainee

Ibadan
2021 - 2023
N

N/A

Engineering Intern

Ibadan
2021 - 2023