Job Description :
Deloitte is seeking talented and detail-oriented ETL Testing professionals to join our Quality Engineering practice. Candidates across experience levels (freshers to senior professionals) are welcome. The role involves validating data transformation, ensuring data integrity, and supporting end-to-end testing of data
pipelines across enterprise-level projects.
Key Responsibilities :
- Analyze ETL specifications and design test plans to validate data flows and transformations.
- Perform data validation, source-to-target mapping verification, and reconciliation testing.
- Design and execute test scripts to ensure data quality in staging, warehouse, and reporting layers.
- Work with development and business teams to understand data requirements and transformation logic.
- Identify, log, and track defects using standard test management tools.
- Support data migration, integration, and regression testing activities.
- Participate in Agile / Scrum processes and contribute to continuous testing initiatives.
Required Skills and Qualifications :
Hands-on experience in ETL Testing across various data platforms.Strong SQL skills for writing complex queries and data validations.Experience with ETL tools such as Informatica, Talend, DataStage, or SSIS.Knowledge of data modeling concepts and data quality best practices.Experience with test automation for data validation is a plus.Familiarity with data lakes, cloud data platforms (Azure, AWS, GCP) is preferred.Preferred Skills (Good to Have) :
Experience with reporting tools (Tableau, Power BI, etc.).Exposure to big data / Hadoop environments.Understanding of CI / CD pipelines and version control systems (e.g., Git).Knowledge of scripting languages (Python / Shell) for automation is a bonus.ISTQB or data testing certifications.ref : hirist.tech)