Data Tester

Key Responsibilities:

• Apply strong knowledge of Data Warehouse concepts and perform ETL validations using tools such as Informatica, Matillion, and DBT.
• Execute and manage complex queries across databases including Snowflake, Oracle, Netezza, SQL Server, DynamoDB, DB2, and Postgres.
• Conduct data validation and troubleshooting using SQL scripting.
• Develop and maintain automation scripts using tools such as QuerySurge, Tosca DI, Python, Java, and Selenium to enhance testing efficiency and support regression testing.
• Perform data validation and reporting using BI tools such as MicroStrategy, Power BI, and Tableau.
• Author comprehensive test scripts to validate data processes and outcomes.
• Conduct regression testing to ensure consistent functionality of data applications.
• Analyze defects and collaborate with development teams to ensure timely resolution.
• Create, manage, and maintain test data sets for realistic and consistent testing scenarios.
• Apply appropriate testing methodologies to ensure thorough coverage and quality control.
• Utilize cloud platforms such as AWS and Azure for cloud-based testing activities.
• Use test management tools like Jira and ALM for tracking and reporting.