EXP: 2 TO 10 YEARSLocation: PAN INDIA ETL Testing - Datawarehouse testing , Bigdata testing Skills:Key Responsibilities
Analyze business requirements, source-to-target mappings, and data models.
Design and execute ETL test cases, test plans, and test strategies.
Validate data extraction, transformation, and loading processes.
Perform source-to-target data validation and reconciliation testing.
Execute database testing using complex SQL queries.
Verify data quality, completeness, consistency, and integrity across systems.
Conduct data warehouse, migration, and reporting validation testing.
Identify, document, and track defects using defect management tools.
Collaborate with developers, business analysts, and data engineers to resolve data-related issues.
Validate incremental loads, batch jobs, and scheduling processes.
Support end-to-end testing in Data Warehouse and BI settings.
Participate in Agile/Scrum ceremonies and contribute to quality improvement initiatives.

Required Skills
3 to 8 years of experience in ETL Testing and Data Warehouse Testing.
Solid expertise in writing and executing complex SQL Queries.




Hands-on experience with ETL tools such as Informatica, Talend, SSIS, DataStage, Pentaho, or similar tools.
Experience in validating ETL workflows, mappings, transformations, and data pipelines.
Knowledge of Data Warehouse concepts, Star Schema, Snowflake Schema, Fact and Dimension tables.
Experience with databases such as Oracle, SQL Server, MySQL, PostgreSQL, Teradata, or Snowflake.
Strong understanding of Data Migration and Data Validation techniques.
Hands-on experience with defect tracking tools like JIRA or Azure DevOps.
Understanding of SDLC, STLC, and Agile methodologies.
Excellent analytical and troubleshooting skills.

Preferred Skills
Experience with Big Data Testing using Hadoop, Hive, Spark, or Databricks.
Exposure to cloud platforms such as AWS, Azure, or GCP.
Experience in testing data lakes and contemporary data platforms.
Knowledge of automation tools for ETL validation.
Familiarity with BI reporting tools like Power BI, Tableau, Cognos, or Business Objects.
Experience with Python or Shell scripting for data validation.

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