Overview
On Site
$50 - $60
Contract - Independent
Contract - W2
Skills
QA Data Tester
Data Warehouse
SQL
ETL/ELT testing
policy center
Job Details
Role : QA data tester
Location : Warren NJ hybrid
Job Summary:
We are seeking a detail-oriented QA Data Tester with strong expertise in Data Warehouse (DWH) and Data Lake testing on Azure ADLS. The ideal candidate will be proficient in SQL and have hands-on experience with data validation, ETL/ELT testing, and ensuring high data quality across complex pipelines.
Key Responsibilities:
Perform functional, integration, and regression testing of data pipelines in Azure Data Lake Storage (ADLS).
Validate data flows across DWH, Data Lake, and ETL/ELT processes.
Develop and execute complex SQL queries for data validation and reconciliation.
Collaborate with Data Engineers, Business Analysts, and Product Owners to understand data requirements and build test strategies.
Create test plans, test cases, and test scripts based on business and technical requirements.
Identify, log, and track defects to closure using tools like Azure DevOps, JIRA, or similar.
Ensure data accuracy, integrity, and compliance across all environments.
Work in Agile/Scrum teams and participate in sprint planning and retrospectives.
Required Skills & Qualifications:
3 7 years of experience in QA/Data Testing.
Strong hands-on experience in SQL including joins, subqueries, aggregations, and performance tuning.
Experience testing Data Warehouses and Data Lakes (preferably on Azure ADLS).
Good understanding of ETL/ELT concepts and data transformation logic.
Familiarity with Azure Data Factory, Synapse Analytics, or related Azure data services is a plus.
Knowledge of testing frameworks or automation tools for data validation is desirable.
Experience working in Agile environments with CI/CD pipelines.
Preferred Qualifications:
Exposure to cloud platforms especially Microsoft Azure.
Familiarity with data profiling, data quality checks, and metadata validation.
Understanding of big data tools such as Spark, Databricks is a plus.
ISTQB or similar QA certification is an advantage
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