Data Tester Jobs in Waterloo, Ontario, Canada
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Waterloo, Ontario, Canada
About the role
Role: Data Tester (Big Data QE)
Location: Waterloo, ON - Hybrid Contract Role
Role Description
We are seeking a motivated Big Data QE / Data Tester with experience in data testing and a passion for the Property & Casualty (P&C) Insurance domain. The ideal candidate will be responsible for supporting data testing initiatives, validating data quality, and ensuring solutions meet design specifications, standards, and business requirements within an Agile environment.
Key Responsibilities
Develop and execute test strategies aligned with design specifications, standards, and user requirements. Perform ETL and database testing, data migration testing, and report validation. Write and execute complex SQL queries for data analysis and validation. Execute and validate queries in GCP BigQuery. Design and execute test cases in a Big Data environment. Analyze data and validate data quality across various data sources. Collaborate with Agile teams to test components iteratively throughout the development lifecycle.
Required Skills
6–8 years of experience in ETL Testing, SQL, Big Data, and Python.
Hands-on experience with
- ETL and Database Testing
- Data Migration Testing
- Report Validation
Strong knowledge of GCP BigQuery. Experience with PySpark and/or Python. Expert-level SQL skills, including writing and understanding complex queries.
Advanced knowledge of Big Data technologies, including
- Hadoop
- Hive
- Impala
- HBase
- Pentaho
Experience working in Agile project environments.
Preferred Skills
Exposure to the Property & Casualty (P&C) Insurance domain, specifically Property and Auto Insurance. Knowledge of Guidewire.
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About Apptoza Inc.
Apptoza is a boutique IT service provider, offering a comprehensive range of IT services and solutions. We take pride in delivering excellence in IT consulting to businesses of all sizes, from large enterprises to mid-sized and small businesses.
Founded by a team of seasoned IT professionals, Apptoza provides the expertise and leadership necessary to drive successful IT projects and help companies achieve their strategic goals. Whether you require full-scale IT project execution, application management services, or short-term consulting, our solutions are designed to enhance efficiency across systems, processes, and teams.
As a one-stop IT solutions provider, we offer end-to-end expertise in IT applications. Our consultants have an average of 10+ years of experience, delivering IT implementations across North America, Europe, and Asia. With deep industry knowledge, strong business acumen, and exceptional communication skills, we ensure tailored solutions that align with your unique business needs.
With a global team based in the USA, Canada, and India, we provide flexible, high-quality, and cost-effective IT project implementations. Our customized delivery models—blending on-site, near-site, and off-site services—ensure optimal outcomes for our clients.
At Apptoza, our success is built on a client-first philosophy. We believe that delivering outstanding service and long-term collaboration sets us apart from the competition. Our commitment to excellence and innovation fosters strong, lasting partnerships with our clients.
At Apptoza, your success is our priority.