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ben_kosi

Ben Kosi

@ben_kosi

Data Engineer and Automation Expert Python, SQL, BigQuery and Excel

Nigeria
Igbo, English
About me
Bad data costs you time. Broken formulas cost you clients. I fix both. I'm a petroleum engineering student who works daily with MATLAB, Simulink, and Excel cleaning messy datasets, building reservoir models, fixing broken VLOOKUPs, and automating workflows so you're not doing the same thing twice. I've handled datasets with 10,000+ rows, built data pipelines, and set up web scraping workflows for clients across industries. If your spreadsheet is a mess or your MATLAB model won't run, I know exactly where to look. Quick turnaround. Clear communication. No guesswork.... Read more

Skills

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ben_kosi
Ben Kosi
Offline • 
Average response time: 1 hour

See my services

Data Cleaning
I will fix, clean and format your messy excel or spreadsheet data
From$20 / projectMore details
Data Formatting
I will fix broken excel formulas vlookup, if errors, gantt chart spreadsheet formatting
From$15 / projectMore details

Portfolio

Work experience

Microsoft_Office

Data Cleaning Expert

Microsoft Office • Self-employed

Feb 2026 - Present • 3 mos

I am currently Cleaning a dataset worth 10,000+ rows utilizing modern tools like COPILOT in excel. Experience gained is utilizing COPILOT in excel and debugging issues hidden to basic understanding as well working quickly along deadlines