Abhishek Ponnolu
Kansas
Summary
Detail-oriented Data Analyst with over 3 years of experience in business intelligence, data mining, and predictive analytics. Skilled in data interpretation, statistical analysis, and data transformation to generate actionable insights. Capable of aligning data strategy with business objectives and effectively communicating insights using advanced data visualization tools. Currently pursuing a Master's in Computer Science in the U.S., eager to utilize strong technical skills to drive tangible business results.
Overview
3
3
years of professional experience
1
1
Certification
Work History
Data Analyst
Tata Consultancy Services (TCS)
06.2022 - 10.2023
- Applied various data analysis techniques to uncover key business insights across large datasets.
- Executed data mining techniques to uncover trends, improving sales pipeline visibility by 18%.
- Applied predicXve analyXcs to forecast customer churn, contribuXting to a 12% reducXon in aQriXon.
- Conducted staXsXcal analysis to inform pricing strategies, resulXting in a 9% revenue increase.
- Performed data transformaXon using Python and Excel to streamline data readiness for dashboards.
- Performed data quality assurance checks, improving reporXng accuracy by 25%.
- Developed a centralized Power BI reporXng system, significantly improving data reporXng speed by 35%.
- Collaborated with stakeholders to develop a data strategy aligning with operaXonal goals.
Power BI Developer
Tata Consultancy Services (TCS)
04.2021 - 05.2022
- Created and maintained Power BI dashboards for execuXve reporXng, increasing visibility across departments.
- Automated daily and weekly reports, saving 10+ hours/week in manual reporXng.
- Integrated data from SQL databases, Excel, and cloud sources for unified insights.
- OpXmized DAX queries and data models, improving dashboard performance by 40%.
- Built CI/CD pipeline with Jenkins, reducing release cycles by 23% and ensuring stable deployments.
- Developed visual storytelling dashboards using data visualizaXon tools to support strategic decisions.
QA Analyst
Tata Consultancy Services (TCS)
09.2020 - 04.2021
- Verified fixes and analyzed user stories to create test plans.
- Created and executed test cases in Agile sprint environments.
- Tracked bugs and collaborated with developers for issue resoluXon.
- Documented all phases of the sogware development lifecycle.
- ParXcipated in sprint reviews and retrospecXves to ensure quality delivery.
- Performed regression tesXng to validate applicaXon stability.
- Maintained documentaXon to support compliance and traceability.
- Facilitated knowledge sharing sessions to streamline QA processes.
Education
Master of Science - Computer Science
University of Central Missouri
05.2025
Bachelor of Technology - Computer Science and Engineering
SASTRA University
05.2020
Skills
- Python
- R
- SQL
- HTML
- CSS
- MySQL
- AWS RDS
- Azure SQL
- Power BI
- Tableau
- Excel
- Google Analytics
- Git
- AWS
- Azure
- Data mining
- Statistical analysis
- Predictive analytics
- Data transformation
- Data quality assurance
- Data interpretation
- Business intelligence
- Data visualization and presentations
- Data analysis
- Python programming
- Excel functions
Certification
- Microsoft Certified: Data Analyst Associate
- Google Data Analytics Professional Certificate
Timeline
Data Analyst
Tata Consultancy Services (TCS)
06.2022 - 10.2023
Power BI Developer
Tata Consultancy Services (TCS)
04.2021 - 05.2022
QA Analyst
Tata Consultancy Services (TCS)
09.2020 - 04.2021
Bachelor of Technology - Computer Science and Engineering
SASTRA University
Master of Science - Computer Science
University of Central Missouri
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