Responsibilities

• Understand and validate ETL processes from source to target systems.
• Design, develop, and execute comprehensive test cases for ETL workflows and data pipelines.
• Perform functional, integration, and regression testing for data transformations.
• Ensure data quality, integrity, and consistency across heterogeneous data sources and destinations.
• Conduct load and scalability testing for data warehouse systems.
• Identify, log, and track defects using standard tools and work closely with development teams for resolution.

Required Skills

• Hands-on experience with ETL tools like Informatica, Talend, SSIS, DataStage, or Apache Nifi.
• Strong knowledge of RDBMS (e.g., Oracle, SQL Server, MySQL, Teradata) and big data technologies such as Hadoop and Hive.
• Proficiency in writing complex SQL queries for data validation and transformation.
• Familiarity with version control systems (e.g., Git, SVN, TFS).
• Experience with defect tracking tools like JIRA, Bugzilla, or HP Quality Center.

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