ETL tester -NT

Job Requirements Job Title:** ETL Tester ### **Role Overview** We are seeking an **ETL Tester** to validate data pipelines, ensure data accuracy across target systems, and automate testing workflows. You will be responsible for end-to-end data quality verification from source to data warehouse. ### **Key Responsibilities** * Design, execute, and maintain test cases for ETL data pipelines and transformation logic. * Validate source-to-target data mappings, schema changes, and data completeness. * Develop and maintain automated test scripts in Python for bulk data validation. * Write complex SQL queries to perform data reconciliation, duplicate detection, and integrity checks. * Log and track defects, collaborating with Data Engineers to resolve pipeline issues. ### **Required Qualifications** * **ETL & Data Testing:** 5+ years of hands-on experience in ETL/Data Warehouse testing and data reconciliation. * **SQL:** Advanced proficiency in SQL (complex joins, CTEs, window functions, and performance tuning). * **Python:** Strong hands-on scripting experience using Python (Pandas/PySpark) for data validation automation. * **Databases/Warehouses:** Familiarity with relational databases (PostgreSQL, SQL Server) and cloud platforms (Snowflake, Databricks, AWS Redshift). * **Tools:** Proficiency with Jira, Git, and CI/CD pipelines." SQL Python ETL Testing

Work Experience 5-7Years