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PYXIDIA TECHLAB • Toronto, Ontario, Canada
Job Description
We are seeking a skilled ETL Tester with substantial hands-on experience in advanced SQL and Python. This role is open to candidates with either a Quality Assurance (QA) or Developer background, provided you can demonstrate core expertise in complex SQL operation
Job Description
We are seeking a skilled ETL Tester with substantial hands-on experience in advanced SQL and Python. This role is open to candidates with either a Quality Assurance (QA) or Developer background, provided you can demonstrate core expertise in complex SQL operations on ETL platforms.
Key Responsibilities
Design, develop, and execute comprehensive ETL test cases and scenarios Write and optimize advanced SQL queries for data validation, transformation, and troubleshooting Collaborate with development teams to understand business and data transformation requirements Validate large volumes of data across multiple sources and targets using advanced SQL Develop automation scripts in Python for ETL testing and process streamlining Analyze, report, and track defects; recommend solutions Participate in Agile/Scrum processes and provide expertise throughout the test life cycle
Required Skills & Qualifications
7+ years of hands-on experience in ETL testing or related roles Strong command of advanced SQL (complex joins, window functions, query optimization, data analysis) Proficiency in Python for scripting and automation Experience with ETL tools (e.g., Informatica, Talend, DataStage, SSIS) is a plus QA professionals or Data/ETL developers with hardcore SQL expertise are welcome Ability to troubleshoot, analyze, and validate large datasets Excellent communication and interpersonal skills Bachelor’s degree in Computer Science, Information Technology, or related field
Must Have
7+ years of Testing experience Good background in ETL Testing Good background in SQL / Db testing Experienced with AWS services required are S3, Glue, Cloudwatch, Airflow and Athena
Mode: Hybrid (2–3 days/week in office, Downtown Toronto; rest WFH
Skills: athena,testing,aws,advanced sql,etl testing,cloud watch,etl,python,airflow,sql