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Stephen Muchanga

Stephen Muchanga

Marketing Data Analyst - Marketing Analytics

KENYA flag
Nairobi, Kenya
$30.00/hrIntermediateAppen

Key Skills

Software

AppenAppen

Top Subject Matter

No subject matter listed

Top Data Types

ImageImage

Top Label Types

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Entity Ner Classification

Freelancer Overview

I am an analytical and detail-oriented data professional with hands-on experience in data management, reporting, and AI-driven automation across marketing and public sector domains. My background includes maintaining and validating complex datasets, designing automated reporting workflows, and ensuring data integrity for analytics and decision-making. I am proficient in tools such as Excel, SQL, Power BI, Python, and AI automation platforms, and I have contributed to projects involving dashboard creation, A/B testing, and survey data cleaning. My adaptability and strong communication skills allow me to thrive in remote, distributed teams, and I am eager to apply my data annotation and quality assurance expertise to support high-quality AI training data initiatives.

IntermediateEnglishSwahili

Labeling Experience

Appen

Data Service Expert

AppenImagePolygonEntity Ner Classification
Matching the images of the subject and the object to determine similarities. Determining whether the video meets the outlined specific criteria.

Matching the images of the subject and the object to determine similarities. Determining whether the video meets the outlined specific criteria.

2025 - 2025

Education

A

ALX (Explore AI Academy) Africa

Certificate, Data Analytics

Certificate
2023 - 2023
J

Jomo Kenyatta University of Agriculture and Technology

Bachelor of Science, Analytical Chemistry

Bachelor of Science
2018 - 2018

Work History

I

IQ Marketing

Marketing Data Analyst

Nairobi
2023 - Present
K

Kenya Industrial Research and Development Institute

Data Assistant

Nairobi
2021 - 2023