Data QA Engineer
19 hours ago
Title: Data QA Engineer
Location: Markham, Canada (Onsite, 3 days/week)
Overview:
We are seeking a Data QA Engineer with expertise in ETL, data warehousing, and QA automation to support enterprise-level data quality initiatives. This role requires strong analytical skills and hands-on experience in SQL, Python, and various data management tools.
Key Responsibilities:
- Conduct ETL testing, data validation, and troubleshooting for complex data processes.
- Develop and execute test plans, including data validation and regression testing.
- Write and tune complex SQL queries for data testing and performance improvements.
- Collaborate on data warehouse testing, data profiling, and reconciliation.
- Maintain test documentation, including RTMs and test cases, and track defects in tools like Jira and ALM.
- Automate QA testing using Python and manage test execution.
Requirements:
- 5+ years in Software Quality Assurance with a focus on Data Warehousing and ETL testing.
- Strong skills in SQL and ETL tools (Informatica, Snowflake, AWS, PostgreSQL).
- Proficiency in data integration, data modeling, and information governance principles.
- Experience with large data sets and data quality frameworks.
- Ability to work independently and as part of a team, with a detail-oriented, problem-solving mindset.
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