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Rita Ezenwile

AI Trainer, Data Labeling Specialist, and Visual Data Annotator

Nigeria flagLagos, Nigeria
$10.00/hrIntermediateClickworkerGoogle Cloud Vertex AIHumanatic

Key Skills

Software

ClickworkerClickworker
Google Cloud Vertex AIGoogle Cloud Vertex AI
HumanaticHumanatic
Micro1

Top Subject Matter

AI/Computer Vision
AI/Natural Language Processing
Legal Services & Contract Review

Top Data Types

ImageImage
TextText
DocumentDocument

Top Task Types

Bounding BoxBounding Box
ClassificationClassification

Freelancer Overview

AI Trainer, Data Labeling Specialist, and Visual Data Annotator. Brings 6+ years of professional experience across legal operations, contract review, compliance, and structured analysis. Education includes Bachelor of Science, Enugu State University of Science and Technology(2017). AI-training focus includes data types such as Image and Text and labeling workflows including Bounding Box and Classification.

IntermediateEnglishIgbo

Labeling Experience

Data Labeling Specialist (Text)

TextClassification
As a Data Labeling Specialist, I performed text categorization and sentiment annotation for machine learning models. My responsibilities included content moderation, text classification, and reviewing large volumes of textual data. I contributed to the quality and effectiveness of AI-driven text analysis. • Categorized text data for sentiment and topic classification. • Reviewed and moderated online content for compliance and accuracy. • Provided structured feedback to enhance label accuracy. • Maintained documentation and tracked labeling performance.

As a Data Labeling Specialist, I performed text categorization and sentiment annotation for machine learning models. My responsibilities included content moderation, text classification, and reviewing large volumes of textual data. I contributed to the quality and effectiveness of AI-driven text analysis. • Categorized text data for sentiment and topic classification. • Reviewed and moderated online content for compliance and accuracy. • Provided structured feedback to enhance label accuracy. • Maintained documentation and tracked labeling performance.

Not specified

AI Trainer, Data Labeling Specialist, and Visual Data Annotator

ImageBounding Box
As an AI Trainer and Visual Data Annotator, I applied annotation guidelines to large datasets for image classification and tagging. My work focused on ensuring accuracy in visual data annotation, including segmenting images with bounding boxes and polygons. I supported machine learning projects through high-quality image labeling and quality assurance. • Labeled images using bounding boxes and polygon segmentation. • Reviewed and validated datasets for accuracy and consistency. • Generated feedback and reports to improve annotation quality. • Supported process optimization in image annotation workflows.

As an AI Trainer and Visual Data Annotator, I applied annotation guidelines to large datasets for image classification and tagging. My work focused on ensuring accuracy in visual data annotation, including segmenting images with bounding boxes and polygons. I supported machine learning projects through high-quality image labeling and quality assurance. • Labeled images using bounding boxes and polygon segmentation. • Reviewed and validated datasets for accuracy and consistency. • Generated feedback and reports to improve annotation quality. • Supported process optimization in image annotation workflows.

Not specified

Education

E

Enugu State University of Science and Technology

Bachelor of Science, Industrial Physics

Bachelor of Science
2013 - 2017

Work History

S

Sterling Oil Exploration and Energy Production Company

Senior Buyer

Lagos
2024 - Present
A

Alpha Mead Group

Contracts & Procurement Manager

Lagos
2022 - 2024