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Joshua Akintayo

Joshua Akintayo

Data Analyst & AI Training Specialist (Text & Research Data)

NIGERIA flag
Abuja, Nigeria
$20.00/hrIntermediateOther

Key Skills

Software

Other

Top Subject Matter

No subject matter listed

Top Data Types

TextText

Top Label Types

Classification
Question Answering
Transcription

Freelancer Overview

I am a data analyst with hands-on experience in managing, cleaning, and structuring datasets across media, e-commerce, and research environments. My background includes designing and maintaining high-quality data pipelines, developing data collection tools, and standardizing workflows to ensure accuracy and consistency—key aspects of effective data labeling and annotation for AI training data. I am proficient in Python, SQL, Power BI, SPSS, and Excel, and have led projects involving data extraction from unstructured sources, coding and categorizing survey responses, and building interactive dashboards that translate complex datasets into actionable insights. My work emphasizes data reliability and integrity, and I excel at collaborating with multidisciplinary teams to align data initiatives with organizational goals.

IntermediateYoruba

Labeling Experience

Text Annotation and Quality Review for Survey & Research Data

OtherTextClassificationQuestion Answering
Worked on text labeling and quality review tasks involving survey and research data collected from users and patients. The project involved categorizing free-text responses into predefined classes, tagging responses based on sentiment and intent, validating question–answer pairs, and summarizing long text entries into concise, structured formats suitable for downstream analysis and AI training. Quality measures included strict adherence to labeling guidelines, double-checking ambiguous entries, maintaining consistency across labels, and flagging low-quality or incomplete responses for exclusion. I regularly reviewed labeled samples for accuracy, resolved edge cases through guideline-based decisions, and ensured datasets met required quality thresholds before final submission.

Worked on text labeling and quality review tasks involving survey and research data collected from users and patients. The project involved categorizing free-text responses into predefined classes, tagging responses based on sentiment and intent, validating question–answer pairs, and summarizing long text entries into concise, structured formats suitable for downstream analysis and AI training. Quality measures included strict adherence to labeling guidelines, double-checking ambiguous entries, maintaining consistency across labels, and flagging low-quality or incomplete responses for exclusion. I regularly reviewed labeled samples for accuracy, resolved edge cases through guideline-based decisions, and ensured datasets met required quality thresholds before final submission.

2024 - 2025

Education

T

Turing College

Diploma, Data Analytics

Diploma
2024 - 2024
U

University of Ibadan

Bachelor of Science, Microbiology

Bachelor of Science
2019 - 2023

Work History

I

ICIR

Data Analyst

Abuja
2024 - Present
I

InsightsHub

Research Data Analyst

Remote
2024 - 2025