Senior Data Tester
Job Summary
Senior Data Tester
Key Responsibilities
8 years of experience in ETL and data testing
Design implement and execute data validation test plans and test cases
Strong understanding of data modelling concepts including dimensional modelling star schema snowflake schema fact and dimension tables
Good knowledge of data governance principles including data quality data lineage metadata management and compliance standards
Experience with test automation frameworks and scripting languages such as Python and Shell
Conduct thorough ETL testing including data extraction transformation and loading validation
Validate transformation logic based on mapping documents and business rules
Perform source to target data validation across multiple systems
Validate data integrity across various sources and destinations including data lakes and data warehouses
Perform data reconciliation and detailed analysis to identify inconsistencies mismatches and data quality issues
Develop and maintain automated data testing frameworks using SQL and scripting languages
Experience with modern data tools such as Snowflake and other cloud-based warehouse solutions
Experience working in Agile development environments and collaborating with cross functional teams including data engineers analysts and DevOps teams
Exposure to BI tools such as Power BI Tableau and Looker for validating reporting and dashboard data
Familiarity with CI CD pipelines and version control systems such as Git
Experience integrating automated tests within deployment pipelines
ISTQB or equivalent software testing certification preferred
Required Experience:
Senior IC
About Company
At Virtusa, we are builders, makers, and doers. Digital engineering is in our DNA. It’s at the heart of everything we do.