Senior ETL Quality Assurance Engineer

1 week ago

Madurai, India Extendo Technologies Pvt Ltd Full time

Position : Sr. ETL QA.

Experience : 8+ Years.

Location : Remote.


Job Description :

We are seeking a highly skilled Senior ETL QA Engineer to join our team on a 6-month contract basis. The ideal candidate will have a strong foundation in ETL testing, performance testing, and data masking, with a deep understanding of SQL and Snowflake.


Key Responsibilities :


ETL Testing :


- Design and execute comprehensive test plans and test cases to validate the accuracy, completeness, and consistency of data transformations.


- Perform data quality checks, data profiling, and data validation to ensure data integrity.


- Identify and report defects, track issues to resolution, and collaborate with development teams to implement fixes.


Performance Testing :


- Conduct performance testing to assess the scalability and responsiveness of ETL processes.


- Analyze system performance metrics, identify bottlenecks, and recommend optimizations.


Data Masking :


- Implement data masking techniques to protect sensitive data during testing and development.


- Ensure that masked data maintains data integrity and functionality.


SQL and Snowflake :


- Write complex SQL queries to extract, transform, and load data.


- Utilize Snowflake's features and capabilities to optimize ETL processes and improve performance.


Required Skills :


- 8+ years of experience in ETL testing and QA


- Strong proficiency in SQL


- In-depth knowledge of Snowflake


- Experience with data masking techniques


- Excellent analytical and problem-solving skills


- Strong attention to detail and accuracy


- Ability to work independently and as part of a team


Preferred Skills :


- Experience with DBT, PySpark, Glue, and Lambda


- Knowledge of data warehousing and data modeling concepts


- Experience with automation tools (e.g., Selenium, Jenkins)

(ref:hirist.tech)

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