Summary
Overview
Work History
Education
Skills
Timeline
Generic

Lekha Bobbala

San Diego,USA

Summary

Data professional with 7+ years of experience in data analytics, BI, and data engineering. Skilled at building ETL processes, performing data analysis with Python (Pandas, NumPy) and Excel, and developing dashboards that transform raw data into actionable insights. Proficient in SQL, Tableau, Power BI, Hadoop ecosystem, and GCP. Proven success in optimizing supply chain operations, enhancing financial visibility, and enabling data-driven decision-making at a global scale.

Overview

8
8
years of professional experience

Work History

Data Engineer / Data Analyst

Walmart
10.2018 - Current

ETL Development & Data Migration

  • Built and maintained end-to-end ETL pipelines using Hadoop ecosystem tools (Sqoop, Hive, HQL, shell scripting, Automic Scheduler).
  • Migrated legacy on-premise data pipelines to Google Cloud Platform (GCP), improving scalability, reliability, and reporting efficiency.
  • Ensured high data quality and reliability, supporting accurate analytics and business decision-making.

Data Analytics & Business Intelligence

  • Designed interactive dashboards and reports to monitor inventory, supply chain metrics, and operational KPIs.
  • Created metrics to track stock levels, overstock conditions, and inventory movement patterns.
  • Improved visibility for operations teams, helping reduce inefficiencies and optimize resource allocation.
  • Developed financial and operational reports to monitor budget adherence, expenses, and investment trends.
  • Built analytics tools for internal teams and external partners to share insights, collaborate, and identify revenue opportunities.
  • Automated regular reporting workflows to reduce manual effort and improve timeliness of insights.

Technical & Analytical Tools

  • Leveraged Python (Pandas, NumPy) and Excel for data transformation, analysis, and reporting.
  • Utilized Tableau and Power BI for visualization, implementing best practices for interactive and actionable dashboards.
  • Collaborated with cross-functional teams to translate business requirements into automated, reliable analytics solutions.

Data Analyst

Florida Blue
12.2017 - 09.2018

Data Analysis & Tableau Development

  • Created Tableau scorecards and dashboards using stacked bars, bar graphs, scatter plots, geographical maps, Gantt charts, and heat maps.
  • Worked extensively with advanced analysis actions, calculations, parameters, background images, and maps.
  • Applied data blending in Tableau to combine multiple data sources for unified reporting.
  • Developed dashboards in Tableau Desktop and published to Tableau Server with filters for on-demand user insights.
  • Scheduled data refreshes on Tableau Server for weekly and monthly updates to ensure accuracy.
  • Tested queries and dashboards prior to publishing; provided post-publish support for data or system changes.

Python & Excel Analysis

  • Performed data cleansing, transformation, and analysis using Python (Pandas, NumPy).
  • Created reports, pivot tables, and charts in Excel to support ad hoc business analysis.
  • Collaborated with teams to validate data, uncover trends, and provide actionable recommendations.

Education

Master of Science - Computer Science

Governors State University
12.2016

Bachelor of Technology - Computer Science Engineering

JNTU
Hyderabad, IN
05.2015

Skills

  • Analytics & Visualization: Tableau, Power BI, KPI dashboards, data storytelling, Excel
  • Data Analysis & Programming: Python (Pandas, NumPy), SQL
  • ETL & Data Tools: Hive, Sqoop, HQL, shell scripting, Automic Scheduler, Airflow, Dataproc
  • Cloud & Big Data: Hadoop, Google BigQuery, GCP pipelines
  • Business Domains: Supply chain, inventory management, real estate, supplier analytics

Timeline

Data Engineer / Data Analyst

Walmart
10.2018 - Current

Data Analyst

Florida Blue
12.2017 - 09.2018

Bachelor of Technology - Computer Science Engineering

JNTU

Master of Science - Computer Science

Governors State University
Lekha Bobbala