DATA ANALYST โ€ข BUSINESS INTELLIGENCE

Turning Data Into Actionable Business Insights.

I'm Jim Joseph, a Data Analyst and Business Intelligence professional specializing in financial analysis, SQL, Power BI, Excel, Python and business process analysis.

About Me

A data-focused professional combining analytical thinking with business understanding.

I'm a Data Analyst and Business Intelligence professional with a background in Economics and experience using SQL, Excel, Power BI, Python and data visualization to transform complex datasets into actionable business insights.

My Economics background has strengthened my understanding of business performance, financial analysis, market trends, risk and data-driven decision-making. I combine this foundation with technical data skills to solve business problems and communicate insights clearly.

My work focuses on business performance analysis, financial analytics, forecasting, dashboard development and business process analysis. I enjoy turning raw data into practical insights that help organizations make better decisions, improve performance and identify new opportunities.

I'm currently seeking opportunities where I can apply my analytical, technical and business skills to create measurable value for organizations.

What I Do

  • ๐Ÿ“Š Business Intelligence & Dashboard Development
  • ๐Ÿ“ˆ Financial & Commercial Analysis
  • ๐Ÿงน Data Cleaning & Transformation
  • ๐Ÿ”Ž Exploratory Data Analysis
  • ๐Ÿ—ƒ๏ธ SQL Data Analysis
  • ๐Ÿ”ฎ Data Forecasting
  • ๐Ÿค– Predictive Analytics
  • ๐Ÿ Python Data Analysis
  • โš™๏ธ Business Process Analysis

Education & Credentials

Academic background and professional credentials.

B.Sc. in Economics

University of Uyo, Akwa Ibom, Nigeria

2024

Microsoft Certified: Azure AI Fundamentals (AI-900)

Microsoft Certification

2025

Data Science Professional Program

Statistical methods, predictive tools, algorithm logic

2025

National Youth Service Corps (NYSC)

Discharge Certificate

2026

Skills & Tools

Tools and capabilities I use to turn raw data into useful business information.

๐Ÿ“Š Power BI

DAX, KPI development, data modelling, interactive dashboards and business reporting.

๐Ÿ“— Advanced Excel

Pivot Tables, Power Query, XLOOKUP/VLOOKUP, data modelling and financial analysis.

๐Ÿ—ƒ๏ธ SQL

Data querying, joins, CTEs, window functions and relational data analysis.

๐Ÿ Python

Pandas, NumPy, Matplotlib, data cleaning, transformation and exploratory analysis.

๐Ÿ“ˆ Business Analysis

Financial analysis, commercial analytics, customer retention and operational reporting.

๐Ÿง  Data Analytics

Exploratory analysis, cohort analysis, anomaly detection and statistical summaries.

Featured Projects

A selection of analytics and business intelligence projects.

Banking Data Analysis Dashboard

๐Ÿฆ Banking Data Analysis & Liquid Asset Dashboard

Built an end-to-end transaction tracking dashboard using Power BI, SQL and Advanced Excel, cutting manual liquidity reporting time by an estimated 30% for senior leadership.

30% Estimated Reduction in Reporting Time Liquidity & Transaction KPIs Financial Performance Monitoring Senior Leadership Reporting

Power BI SQL Excel Financial Analysis
View Case Study โ†’
Ovico E-commerce Performance Dashboard

๐Ÿ›’ E-Commerce Revenue Operations Tracker

Built a Python-based analytical engine using Pandas, Advanced Excel and Power BI to automate customer cohort retention analysis, reducing manual analysis time by an estimated 40% for repeatable, cross-department use.

40% Estimated Reduction in Analysis Time Customer Retention Cohort Analysis Revenue & Commercial Metrics Cross-Department Reporting

Power BI Excel Data Analysis
View Case Study โ†’
Customer Churn Analysis Dashboard

๐Ÿ‘ฅ Customer Churn Analysis Dashboard

Analyzed churn drivers across 7,000+ customers using Power BI and DAX, identifying month-to-month contracts and e-check payments as key churn risk factors to support retention analysis.

Power BI DAX Data Modelling Customer Analytics
View Case Study โ†’
iPhone Power BI Sales Dashboard

๐Ÿ“ฑ Sales Overview Dashboard

Interactive Power BI sales dashboard designed to analyze iPhone sales performance, trends and key commercial metrics.

Power BI Sales Analytics Data Visualization Business Intelligence
View Case Study โ†’

Experience

Professional experience in financial, operational and analytical work.

Financial Analyst

January 2026 โ€“ Present
  • Analyze financial and operational data to identify trends, performance gaps and business opportunities.
  • Build Excel and Power BI dashboards for KPI monitoring and management reporting.
  • Use SQL and Excel to clean, transform and analyze structured datasets.
  • Prepare analytical reports that support financial planning and business decision-making.
  • Develop data-driven insights to improve reporting accuracy and operational visibility.

Data Analyst

January 2022 โ€“ January 2025
  • Analyzed business and operational datasets to identify trends, patterns and performance opportunities.
  • Cleaned, transformed and validated datasets using Excel, SQL and Python to improve data quality.
  • Developed interactive Power BI dashboards to track KPIs and communicate insights to stakeholders.
  • Performed exploratory and statistical analysis to support business decision-making.
  • Translated complex analytical findings into clear, actionable recommendations.

Freelance Business Analyst

August 2022 โ€“ August 2024
  • Designed interactive Power BI dashboards to monitor business performance and key performance indicators.
  • Developed data models and calculated measures using Power BI and DAX.
  • Combined data from multiple sources to create structured reporting and analytical solutions.
  • Analyzed business performance to identify trends, gaps and opportunities for improvement.
  • Presented data-driven insights in a clear format to support strategic and operational decisions.

Let's Work Together

I'm open to Data Analyst, Business Intelligence, Financial Analytics and related opportunities.