Katherine Ann
@katherineann
Data Validation & Operations Analyst who cleaned a retail dataset, validated unique records, and reconstructed missing pricing data.
NigeriaWhat I'm looking for
On my independent E-Commerce Operational Audit project, I audited and restructured an unformatted retail transaction dataset. I cleaned text anomalies, removed duplicate records, and validated unique rows.
I also isolated chronological conflicts, logged errors, and reconstructed missing pricing data. I created conditional summation tables and visual metrics to report revenue by business division.
Experience
Work history, roles, and key accomplishments
Data Validation & Operations Analyst
Independent Portfolio Project
Sep 2026 - Present (1 month)
Audited and restructured a glitched retail transactional dataset, cleaning text anomalies and removing duplicate records. Diagnosed chronological errors and reconstructed missing pricing data using spreadsheet functions.
Education
Degrees, certifications, and relevant coursework
Federal University of Technology Owerri
Bachelor of Engineering, Chemical Engineering
Graduated with a Bachelor of Engineering in Chemical Engineering, emphasizing quantitative analysis, data processing, and technical problem-solving.
Self-Directed
Advanced Spreadsheet Skills Application & Practice Certificate, Spreadsheet Skills
Completed an Advanced Spreadsheet Skills Application & Practice Certificate.
Tech stack
Software and tools used professionally
Availability
Location
NigeriaAuthorized to work in
Salary expectations
Job categories
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