Data QA Engineer

1 month ago


Markham, Canada Silicontek Inc Full time

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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