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Data Analyst
Job in
Lewisville, Denton County, Texas, 75029, USA
Listed on 2026-05-10
Listing for:
Tata Consultancy Services
Full Time
position Listed on 2026-05-10
Job specializations:
-
IT/Tech
Data Analyst, Data Science Manager
Job Description & How to Apply Below
Job Description
- Design, write, and optimize complex SQL queries to extract, transform, and analyze data from multiple sources
- Develop and maintain Power BI dashboards and reports, ensuring data accuracy, performance, and business relevance
- Use Python for data cleaning, transformation, automation, and advanced analytics
- Strong hands‑on experience with SQL (joins, CTEs, subqueries, performance optimization)
- Advanced SQL skills, including:
- Window functions (, RANK, LAG/LEAD)
- CTEs and recursive queries
- Query performance tuning and optimization
- Advanced aggregations and conditional logic
- Design, write, and optimize advanced SQL queries involving complex joins, CTEs, window/analytic functions, subqueries, and correlated subqueries
- Perform data analysis on large, complex datasets to identify trends, patterns, and anomalies
- Optimize query performance using indexes, execution plans, and query refactoring
- Develop and maintain SQL‑based data models, views, and stored procedures
- Support data extraction and transformation for reporting and analytics use cases
$100,000 to $120,000 per year
QualificationsBACHELOR OF COMPUTER SCIENCE
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