Creospan is a subsidiary of Creospan Inc our parent company, headquartered in Chicago, IL.
From our humble beginnings in 1999 with just a handful of employees and a mission to help our clients leverage emerging web technologies to build next-generation products technology has changed dramatically, yet our curiosity has remained constant.
Our expertise spans across Telecom, Technology, Manufacturing, Ecommerce, Insurance, Banking, Transportation, and Healthcare domains.
Summary :
Job Title : Automation Tester ETL & Data Warehouse.
We are looking for an experienced Automation Tester with strong expertise in ETL Testing, Data Warehouse projects, and test automation.
The ideal candidate will have hands-on experience in building automation frameworks, validating large-scale data transformations, and ensuring data accuracy across complex systems.
Key Responsibilities :
- Design, develop, and execute test plans, test cases, and automation scripts for ETL and DWH systems.
- Build and maintain ETL automation frameworks using Python (preferred).
- Verify data movement, data transformations, aggregations, and business logic across multiple sources and target systems.
- Write and execute complex SQL queries for data validation, reconciliation, and defect analysis.
- Collaborate closely with Data Engineers, Developers, BAs, and other cross-functional teams to ensure complete end-to-end test coverage.
- Document test results, prepare detailed reports, and track defects through closure.
- Work with ETL tools such as Databricks (preferred) and data pipeline solutions.
- Apply testing best practices within cloud environments (AWS / Azure / GCP).
Required Skills :
- Strong experience in ETL Testing and Data Warehouse (DWH) projects.
- Hands-on experience with test automation development, including framework creation.
- Proficiency in Python for automation scripting.
- Expertise in SQL with ability to write complex queries for validation.
- Experience validating data transformations, business logic, and large dataset workflows.
- Familiarity with Databricks, ETL tools, and cloud technologies (AWS, Azure, or GCP).
Nice to Have :
- Exposure to CI/CD pipelines for data testing automation.