Data Analyst Portfolio

Turning data into clear decisions.

Hi, I’m Sadaf Zafar — a Junior Data Analyst focused on Excel, Power BI, and SQL. I turn raw data into clear reports, interactive dashboards, and useful business insights.

Power BI dashboardsExcel reportingBusiness insights
URBAN MARTRetail Performance Overview
POWER BI PROJECT
Total SalesSales KPI
Total ProfitProfit KPI
CustomersCustomer KPI
Monthly Sales TrendInteractive preview · illustrative values
JanFebMarAprMayJunJulAugSepDec
Sales index · illustrative valuesHover or focus on a bar for detail
About Me

Practical analytics, presented clearly.

I enjoy organizing data, finding patterns, and building reports that help people understand business performance.

My approach

I work through the analytics process: understand the business question, clean and transform the data, build a clear model, create useful measures, and present findings through accessible visualizations.

My career goal

I’m looking for remote junior data analyst opportunities and suitable freelance projects where I can support teams with Excel reporting, Power BI dashboards, data preparation, and business analysis.

Problem-solvingDetail-orientedBusiness-focused
Skills & Tools

Tools I use to make data useful.

A practical toolkit for data cleaning, analysis, modeling, reporting, and visualization.

Microsoft ExcelPower BIPower QueryDAXSQLData CleaningData ModelingKPI ReportingDashboard DesignBusiness AnalysisData Visualization

Please keep this list aligned with the tools and techniques you have actually used or studied.

Featured Project

Urban Mart — Retail Sales Analytics

A multi-page Power BI portfolio project focused on sales performance, profitability, customers, products, and discount scenarios.

URBAN MARTEXECUTIVE OVERVIEW
Total SalesSales KPI
Total ProfitProfit KPI
GrowthMoM KPI
Power BI · Retail Analytics

From retail data to business insights

The Urban Mart report explores sales and profit trends, product performance, customer contribution, regional comparisons, and discount scenario analysis. It demonstrates a workflow from data preparation to interactive visuals.

  • Executive Overview
  • Sales & Product Analysis
  • Customer Analysis
  • Sales & Profit Trends
  • Discount Scenario Analysis
  • Management Dashboard
  • Customer Detail Analysis
  • Interactive slicers & KPIs

The dashboard preview is illustrative, not live report data. View the actual screenshots and Power BI file in the GitHub repository.

What I Can Help With

Analytics support for business needs.

01

Excel Reporting

Spreadsheet organization, data cleaning, formulas, PivotTables, and clear reports.

02

Power BI Dashboards

Interactive reports with KPIs, slicers, data models, and business-focused visuals.

03

Data Preparation

Cleaning, transforming, and structuring data to make it consistent and ready for analysis.

Contact

Let’s make your data easier to understand.

I’m open to remote junior data analyst opportunities and suitable Excel or Power BI freelance projects. Please contact me through my professional profiles.

Phone / WhatsApp: +92 314 6543538 · Message me on WhatsApp
Email: sadafnalain@gmail.com