Oluwakorede Samuel
@oluwakoredesamuel
I turn raw data into dashboards, insights, and business-ready decisions.
ZimbabweWhat I'm looking for
I've supported business and operational teams at JMK Accounting by collecting, cleaning, and analyzing structured datasets in Excel. I built dashboards and recurring reports, answered ad-hoc stakeholder questions, and documented processes to maintain data accuracy.
My work includes a road-accident analysis project using Python, SQL, and Tableau, where I identified patterns in accident frequency, severity, location, and contributing factors. I cleaned and transformed raw data, explored trends and correlations, and documented findings to support safety and policy recommendations.
I've also designed relational tables and written SQL queries using JOINs, CTEs, subqueries, GROUP BY, and aggregate functions to generate and analyze structured datasets.
I use SQL, Python, Excel, and Tableau to turn business questions into clear analysis, dashboards, and actionable insights.
Experience
Work history, roles, and key accomplishments
Data Cleaning & Analysis with Python
Jupyter Notebook
Oct 2025 - Jan 2026 (3 months)
Performed end-to-end data cleaning, preprocessing, and transformation using Python (Pandas). Conducted EDA and created visualizations using Matplotlib and Seaborn to summarize insights.
Data Analyst / Data Analytics Trainee
JMK Accounting
Jan 2024 - Jan 2025 (1 year)
Collected, cleaned, and analyzed structured datasets using Excel. Built dashboards and recurring reports to support business and operational teams.
Road Accident Data Analysis
Python, SQL, Tableau
Jul 2023 - Sep 2023 (2 months)
Analyzed a road accident dataset to identify patterns related to accident frequency, severity, location, and contributing factors. Cleaned, validated, and transformed raw data using Python (Pandas, NumPy) in Jupyter Notebook.
SQL Data Generation & Analysis Assignment
SQL
Sep 2022 - Nov 2022 (2 months)
Designed and populated relational tables using SQL to generate structured datasets for analysis. Wrote optimized SQL queries using JOINs, CTEs, subqueries, GROUP BY, and aggregate functions.
Education
Degrees, certifications, and relevant coursework
Obafemi Awolowo University
Bachelor of Science, Mechanical Engineering
Bachelor's Degree in Mechanical Engineering from Obafemi Awolowo University, completed in 2023.
Availability
Location
ZimbabweAuthorized to work in
Job categories
Skills
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