Sai Kiran Kattamuri
Denton
Summary
Data Analyst with 3+ years of experience in data analysis, data quality, and business intelligence across retail, e-commerce, healthcare, and enterprise domains. Strong expertise in Python, SQL, and R for data manipulation, automation, and statistical analysis. Proven ability to design end-to-end dashboards, optimize ETL pipelines, and deliver actionable insights using Tableau, Power BI, and Amazon QuickSight. Experienced in AWS cloud platforms, data warehousing, machine learning, and A/B testing, with a strong foundation in Agile methodologies and data governance.
Overview
5
5
years of professional experience
1
1
Certification
Work History
Data Analyst
Aptech | 7-Eleven, Inc.
01.2025 - Current
- Extract, transform, and analyze large datasets using SQL, Python, and R to generate actionable business insights.
- Develop and maintain interactive dashboards in Tableau, Power BI, and Amazon QuickSight to support executive decision-making.
- Collaborate with product, operations, and finance teams to define KPIs, monitor performance, and align analytics with business goals.
- Conduct ad-hoc analysis, trend analysis, and root-cause investigations to identify anomalies and optimization opportunities.
- Enhance ETL pipelines and data workflows, ensuring data accuracy, consistency, and reliability.
- Perform statistical analysis, forecasting, and A/B testing to measure business impact of product and process changes.
- Improve data quality through validation, profiling, and reconciliation, ensuring compliance with organizational standards.
- Support cloud-based analytics solutions using AWS (EC2, S3, Redshift).
Data Quality Analyst
Amazon
Chennai
12.2022 - 08.2023
- Designed and optimized complex SQL queries to analyze large datasets from Redshift and S3, improving data retrieval efficiency.
- Built and automated dashboards in QuickSight and Tableau, reducing manual reporting efforts by 30%.
- Partnered with cross-functional teams to define and track business KPIs, enabling data-driven decisions.
- Conducted deep-dive analyses to identify performance trends and root causes of operational issues.
- Supported A/B testing and experimentation, analyzing outcomes and quantifying business impact.
- Championed data quality initiatives, reducing reporting errors and improving stakeholder trust in analytics outputs.
Data Analyst
Capgemini
India
10.2020 - 11.2022
- Analyzed large-scale datasets using Python, SQL, and Excel to support compliance, security, and access management initiatives.
- Developed Tableau dashboards tracking 50K+ user access logs, improving audit visibility and reducing compliance effort by 30%.
- Automated data validation and anomaly detection processes using Pandas and NumPy, reducing manual effort by 40%.
- Processed high-volume datasets using Apache Spark, enabling faster fraud detection and near real-time insights.
- Optimized MySQL queries and reporting workflows, improving performance by 50%.
- Supported data governance frameworks and audit readiness, ensuring adherence to enterprise security policies.
- Collaborated with cross-functional teams to improve data quality, reporting accuracy, and operational efficiency.
Education
Master of Science - Business Analytics
Sacred Heart University
01-2024
Bachelor of Hotel Management -
Sun International
01-2020
Skills
- Python
- SQL
- R
- Pandas
- NumPy
- Matplotlib
- SciPy
- Scikit-learn
- TensorFlow
- Seaborn
- Dplyr
- Ggplot2
- Tableau
- Power BI
- Amazon QuickSight
- Advanced Excel
- MySQL
- SQL Server
- MongoDB
- Redshift
- AWS
- ETL/ELT
- SSIS
- SSRS
- Data Warehousing
- Jupyter Notebook
- VS Code
- PyCharm
- IntelliJ
- Git
- GitHub
- JIRA
- SDLC
- Agile
- Waterfall
- Windows
- Linux
Certification
Microsoft Certified: Azure Fundamentals (AZ-900)
Websites
Timeline
Data Analyst
Aptech | 7-Eleven, Inc.
01.2025 - Current
Data Quality Analyst
Amazon
12.2022 - 08.2023
Data Analyst
Capgemini
10.2020 - 11.2022
Master of Science - Business Analytics
Sacred Heart University
Bachelor of Hotel Management -
Sun International