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Naga himachand Pasupuleti

@nagahimachandpasupul

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Data Analyst at Cigna who reconciled datasets into a dashboard for 500+ users and resolved 15+ Power BI anomalies.

United States

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At Cigna, I conduct quality assurance on business records and validate PII with SQL and Python while following data privacy and security guidelines. I resolved 15+ anomalies in Power BI reports and developed reconciliation workflows that brought multiple datasets into one dashboard for 500+ users.

As a Data Analyst Intern at Brookfield, I streamlined monthly reporting with Power BI, Power Query, and DAX, reducing manual preparation time by 40%. I also analyzed more than 50 million records with SQL Server and PostgreSQL to validate business data.

At State street, I reconciled discrepancies across 10 million+ records and developed Power BI and Tableau dashboards. I also analyzed financial transactions with Python and Amazon Redshift, and automated recurring reporting workflows with Excel.

Experience

Work history, roles, and key accomplishments

Current

Data Analyst

Current

Cigna

Jul 2025 - Present (1 year 2 months)

Ensured compliance with data privacy and security guidelines by conducting quality assurance on over 1 million records using SQL. Developed data reconciliation workflows with DAX and Power Query, and optimized SQL queries to reduce data extraction times by 40%.

SQL Advanced SQL CTEs Window Functions Query Optimization Power BI Power Query DAX Data Privacy PII Data Quality Assurance Data Validation Data Reconciliation Anomaly Detection Root Cause Analysis

AI Expert Contributor

Snorkel

Apr 2026 - Jul 2026 (3 months)

Reviewed and validated large-scale business datasets using test automation and Docker, delivering feedback to improve data quality assurance for AI training. Conducted code and document review to support data quality standards.

Testing Automation Docker Data Quality Assurance Code Review Document Review Scripting

AI Evaluation & Benchmark Engineering

Handshake

Jan 2026 - Jul 2026 (6 months)

Engineered benchmark environments and conducted data quality assurance reviews to ensure accuracy of business data for AI model training. Evaluated AI model outputs with adherence to data privacy and quality standards.

Benchmarking Data Quality Assurance AI Evaluation Data Privacy Data Accuracy

Data Analyst Intern

Brookfield

May 2024 - May 2025 (1 year)

Streamlined monthly reporting using Power BI, Power Query, and DAX, reducing manual preparation time by 40%. Analyzed over 50 million records using SQL Server and PostgreSQL to validate data accuracy and communicated discrepancies to stakeholders.

Power BI Power Query DAX SQL Server PostgreSQL Python Pandas Excel Data Validation Data Quality Assurance Data Reconciliation

Data Analyst

State Street

Aug 2021 - Jul 2023 (1 year 11 months)

Reconciled data discrepancies across 10 million+ records using Oracle and SQL Server, resolving 98% of anomalies. Developed Power BI and Tableau dashboards with DAX measures, and automated reporting workflows with Excel Power Pivot.