JG
Data Quality Engineer (Data QE)
J&M Group
Kitchener · On-site Contract Today
About the role
Role Description & Responsibilities
- Act as a Big Data Quality Engineer supporting multiple data testing initiatives
- Design, develop, and execute test cases for Big Data and ETL pipelines
- Perform ETL testing, database testing, data migration validation, and report validation
- Write and execute BigQuery SQL queries and analyze results for data accuracy and completeness
- Assist in building and implementing high-quality test strategies aligned with design specifications, standards, and user requirements
- Collaborate closely with cross-functional teams in an Agile development environment
- Validate data across systems to ensure integrity, consistency, and compliance with requirements
Experience Requirements
- 8–10 years of overall IT experience
- 3–4 years of experience specifically in Data Testing / Data Quality Engineering
Technical Skills
- Strong experience with ETL and Database Testing
- Hands-on experience in Data Migration and Report Validation
- Expertise in GCP BigQuery, including writing and executing complex SQL queries
- Proficiency in Python and PySpark
- Experience testing Big Data environments
- Strong understanding and ability to write complex SQL queries
Essential Skills
- Strong background in Big Data QA/QE
- Passion for Property & Casualty (PC) Insurance domain
- Ability to work effectively in an Agile testing model
- Analytical mindset with strong attention to detail
- Excellent understanding of data quality principles and validation techniques
Skills
BigQueryBigQuery SQLGCPGCP BigQueryPythonPySparkSQL
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