Data & QA Analyst SQL & ETL Specialist

PROFESSIONAL SUMMARY

•Data & QA Analyst with *+ years of U.S. experience specializing in SQL-based data validation, ETL testing, and data quality assurance across enterprise environments. Strong hands-on expertise in writing complex SQL queries, validating large datasets, and identifying data inconsistencies across marketing and analytics platforms.

•Proven ability to analyze and resolve complex data issues, perform root cause analysis, and ensure accuracy across reporting and database systems. Experienced working in fast-paced contract roles with remote teams across multiple time zones.

•Highly self-driven, detail-oriented, and adaptable with a strong focus on data integrity, testing accuracy, and continuous improvement.

CORE SKILLS

•Technical Skills

•Advanced SQL (joins, CTEs, window functions, data validation queries)

•Data Validation & ETL Testing

•Data Quality Analysis & Profiling

•Marketing Data Validation (campaign, customer, engagement data)

•Excel (advanced formulas, pivot tables, validation)

•Snowflake, Data Warehousing Concepts

•Power BI, Tableau (data validation support)

•Soft Skills

•Critical thinking and problem solving

•Self-starter with minimal supervision

•Root cause analysis of data issues

•Cross-team collaboration

•Strong documentation and communication

PROFESSIONAL EXPERIENCE

Data Analyst / SQL Consultant (Contract Roles) Mar 2019 – Feb 2024

•Delivered SQL analytics, data validation, and reporting support across multiple enterprise clients.

Cigna (Express Scripts) – Data Analyst

•Wrote complex SQL queries to validate healthcare and operational datasets.

•Performed data quality checks and reconciliations across reporting systems.

•Identified and resolved data discrepancies impacting dashboards.

Johnson & Johnson – Data Analyst

•Validated datasets used for business reporting and analytics.

•Performed data profiling and anomaly detection using SQL and Excel.

•Collaborated with business users to validate reporting logic and metrics.

Lockheed Martin – BI Data Analyst

•Supported data validation and transformation for enterprise reports.

•Performed query tuning and validation to ensure accurate outputs.

•Investigated data inconsistencies and provided resolution recommendations.

JPMC – SQL Data Analyst

•Extracted and validated large datasets using SQL and SAS.

•Built validation reports and data summaries for stakeholders.

•Assisted in testing and verifying data migrations and transformations.

EDUCATION

•Master’s in Computer Applications (MCA) – Madurai Kamaraj University

•Bachelor of Science (Chemistry) – Bharathiyar University

ADDITIONAL SKILLS

•Data Warehousing & Data Modeling Fundamentals

•ETL Concepts and Data Migration Validation

•Strong documentation and test case creation

•Experience working in remote and distributed teams

CERTIFICATION

Microsoft Azure AI

Oracle Database 11g: SQL Fundamentals I

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