Hello, I'm

Aarthi Reddy Jannapureddy

I'm a Data Analyst

SQL | Python | Power BI | Tableau | Business Analytics

Contact Me View Projects
Analytics
SQL
Power BI
Tableau

01. About Me

Aarthi Reddy

I'm a Data Analyst with 3+ years of experience using SQL, Python, Power BI, Tableau, and Excel to build dashboards, automate reports, improve data accuracy, and support business decisions.

I have experience working across retail and enterprise environments delivering KPI tracking, forecasting, reporting automation, and operational insights. I enjoy transforming data into actionable business recommendations.

3+ Years Experience
2 Companies
60% Automation
45% Efficiency Gains

Master of Science in Computer Science

University of Central Missouri, USA | Dec 2025

B.Tech in Data Science & AI

ICFAI Foundation for Higher Education | May 2023

Skills

Programming & Querying

SQL Python Pandas NumPy VBA

BI & Visualization

Power BI Tableau Excel Dashboards Power Query

Analytics

Forecasting KPI Tracking Trend Analysis Variance Analysis

Database Skills

Joins CTEs Window Functions Stored Procedures

Tools

Excel Jupyter Notebook Google Sheets MS Office

Experience

Mar 2025 – Present

Data Analyst

Walmart

  • Built Power BI dashboards for revenue, inventory, returns, and service metrics.
  • Developed SQL reporting tables improving data accuracy by 35%.
  • Automated KPI reports reducing delivery time from two days to four hours.
  • Built forecasting models in Python improving forecast accuracy by 15%.
  • Implemented validation checks reducing dashboard defects by 45%.
Jan 2022 – Dec 2023

Data Analyst

Hexaware Technologies

  • Created Tableau and Power BI dashboards reducing spreadsheet effort by 50%.
  • Wrote advanced SQL queries reducing report preparation time by 45%.
  • Automated MIS and variance reports reducing turnaround time from three days to one.
  • Performed ETL testing and reconciliation increasing reporting accuracy by 30%.
  • Used Python automation saving 12 analyst hours weekly.

Projects

Data Analytics

Bicycle Manufacturing Data Analysis

End-to-end analysis of a bicycle manufacturing company — data prep in Python, querying in SQL, and reporting dashboards in Power BI.

Python SQL Power BI
View on GitHub
Data Analytics

Customer Segmentation Analytics

Customer segmentation using clustering and analytics techniques to group customers by behavior and value.

Python Jupyter
View on GitHub
Data Analytics

F1 Data Analysis

Exploratory analysis of Formula 1 race data to surface performance and race-strategy insights.

Python Data Analysis
View on GitHub
Data Analytics

Banking Financial Insights

Interactive Power BI report uncovering financial trends and KPIs across banking data.

Power BI
View on GitHub
Data Analytics

Healthcare Data Analysis

Power BI analysis of healthcare datasets covering operational and patient-care metrics.

Power BI
View on GitHub
Data Analytics

Nursing Home Financial Analysis

Financial performance analysis of nursing-home operations, focused on cost and revenue drivers.

Data Analysis
View on GitHub
Data Analytics

Retail Data Analytics

Retail analytics integrating Python and SQL for sales, inventory, and customer insights.

Python SQL Jupyter
View on GitHub
Data Analytics

Sales Insights

Sales performance analysis with Tableau visualizations powered by SQL data models.

Tableau SQL
View on GitHub
Data Analytics

SQL Data Analysis & Visualization

A collection of SQL-driven data analysis and visualization case studies.

SQL Jupyter
View on GitHub
Data Analytics

SQL for Financial Data Analysis

Advanced SQL queries for analyzing financial datasets and reporting key metrics.

SQL
View on GitHub

Contact

aarthireddyj@gmail.com
+1 (682) 330-9000
NC, USA