Ogundipe Stephen Oluwasina

Data Analyst

GitHub | LinkedIn

House A, 5_14, Orchid Road, Pinnock Beach Estate Lekki expressway, Lagos, NG

About

Analytical and detail-oriented Data Analyst with a strong foundation in data visualization, statistical analysis, and business intelligence. Skilled in transforming raw data into actionable insights that support data-driven decisions. Experienced in using Python (Pandas, NumPy, Seaborn, Scikit-learn), SQL, Power BI, Tableau, and Excel to analyze large datasets, forecast trends, and build interactive dashboards. Demonstrated ability to manage end-to-end analytics projects, including data cleaning, exploratory data analysis (EDA), forecasting, and performance reporting.
Recently completed an interactive project analyzing the impact of COVID-19 on global trade, featuring ARIMA forecasting, clustering of recovery trends, and country-level comparative dashboards. Passionate about uncovering insights that improve efficiency and business outcomes through data storytelling and evidence-based recommendations.

Work Experience

Director

Buybye Enterprise | Director

Nov 2023 - Present

Lagos, Nigeria, Nigeria

Lab Assistant

IGNITE | NYSC

Apr 2023 - Apr 2024

Lagos, Nigeria, Nigeria

Education

Data Analytics

ALTSCHOOL AFRICA

Sep 2023 - Jun 2025

Adult and Primary Education

University of Ilorin

3.2

Sep 2016 - Sep 2021

Ilorin, Kwara, Nigeria

Art

Adesina College Ibadan

Oct 2011 - Dec 2016

Ibadan, Oyo, Nigeria

Primary Education

Nickdel Primary and Secondary School

Oct 2003 - Oct 2010

Ibadan, Oyo, Nigeria

Volunteer

Laboratory Assistant

National Youth Service Corps

Apr 2023 - Apr 2024

Lagos, Lagos, Nigeria

Certificates

Diploma

Altschool Africa

Sep 2025

Google Data Analytics Certificate

Coursera

Jan 2023

SQL for Data Analysis

Mode Analytics

Jan 2023

Python for Data Science

freeCodeCamp/DataCamp

Jan 2023

Bachelor of Education

University of Ilorin

Dec 2022

BEd Primary Education

University of Ilorin

Sep 2021

Projects

Retail & E-commerce

Project

Jul 2025 - Oct 2025

Customer Purchase Pattern Analysis – Use SQL or Python to find frequent itemsets (Market Basket Analysis). • Sales Forecasting Model – Predict future sales using time series models (ARIMA, LSTM). • Product Price Optimization – Analyze price elasticity using regression and visualization. • A/B Testing for Marketing Campaigns – Evaluate the effectiveness of campaigns with statistical tests.

Power BI Sales Dashboard (Sample)

Jun 2023 - Jul 2023

Designed and published a dynamic Power BI dashboard showcasing sales analysis capabilities with key performance indicators.

COVID-19 Trade Impact Analysis

Mar 2023 - May 2023

Comprehensive Streamlit web application and GitHub portfolio project analyzing the global trade impact of COVID-19.

Languages

English , Yoruba , English, French Yoruba (Proficient)

Skills

Excel

PowerBI

Tableau

Python

Data Analysis

  • Pandas
  • NumPy
  • Exploratory Data Analysis (EDA)

SQL

  • Joins
  • Subqueries
  • Aggregations
  • Data Cleaning

Data Visualization

  • Matplotlib
  • Seaborn
  • Plotly
  • Excel Charts

Dashboards

  • Streamlit
  • Dash
  • ipywidgets
  • Power BI

Forecasting

  • ARIMA
  • Time Series Analysis

Clustering

  • KMeans
  • Normalization
  • Feature Engineering

Tools

  • Jupyter Notebook
  • VS Code
  • Git
  • GitHub

Soft Skills

  • Problem-solving
  • Communication
  • Attention to Detail

NoSQL