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Mary Joshua

Mary Joshua

AI Annotation & Data Evaluation Specialist

Nigeria flagAbuja, Nigeria
$20.00/hrIntermediateOtherClickworkerCVAT

Key Skills

Software

Other
ClickworkerClickworker
CVATCVAT
Data Annotation TechData Annotation Tech
iMeritiMerit
MercorMercor
Micro1
RemotasksRemotasks
AppenAppen

Top Subject Matter

Data Annotation and Labeling
Customer Support / Virtual Assistant
Artificial Intelligence (AI) / Machine Learning (ML)

Top Data Types

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AudioAudio
VideoVideo

Top Task Types

ClassificationClassification

Freelancer Overview

I have experience working with structured and unstructured data, with a strong focus on accuracy, consistency, and attention to detail in data-related tasks. I am familiar with tasks such as data labeling, classification, annotation, and quality checking, ensuring that datasets are properly prepared for machine learning and AI model training. My background also includes working with digital tools and platforms that require careful review of content and adherence to guidelines. I bring strong analytical thinking, patience, and the ability to follow complex instructions precisely, which are essential for high-quality AI training data work. I am comfortable handling repetitive tasks while maintaining consistency and quality standards. I am also eager to continue learning and improving in the field of AI and data annotation, with a commitment to contributing reliable and well-structured data that supports effective model performance.

IntermediateEnglish

Labeling Experience

AI Annotation & Data Evaluation Specialist

OtherTextClassification
As a Data Annotation Specialist, I performed high-consistency page-to-catalog entity matching, domain validation, and data quality assurance for AI training pipelines. My work involved applying strict frameworks to ambiguous labeling cases, ensuring reliable, high-quality data outputs. I operated across multi-platform annotation environments and maintained judgment quality over large, repetitive datasets. • Executed detailed business alignment assessments using name similarity and context cues. • Applied domain and website validation logic to confirm entity alignment across URLs. • Flagged edge cases and implemented structured resolution strategies to ensure consistency. • Maintained annotation accuracy under repetitive, high-volume workflows.

As a Data Annotation Specialist, I performed high-consistency page-to-catalog entity matching, domain validation, and data quality assurance for AI training pipelines. My work involved applying strict frameworks to ambiguous labeling cases, ensuring reliable, high-quality data outputs. I operated across multi-platform annotation environments and maintained judgment quality over large, repetitive datasets. • Executed detailed business alignment assessments using name similarity and context cues. • Applied domain and website validation logic to confirm entity alignment across URLs. • Flagged edge cases and implemented structured resolution strategies to ensure consistency. • Maintained annotation accuracy under repetitive, high-volume workflows.

2025 - Present

Education

U

University of the People

Bachelor of Science, Business Administration

Bachelor of Science
2025

Work History

A

Ann Digital Districts

Data Entry / Lead Generator

Lagos
2025 - Present