$30.00 - $40.00 Posted:
Job Description
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
Job Types: Full-time, Permanent
Pay: $30.00-$40.00 per hour
Application question(s):
- How many years of hands-on experience do you have in ETL testing or related data validation roles?
- How would you rate your proficiency in advanced SQL (e.g., complex joins, window functions, query optimization)
- Do you have hands-on experience writing Python scripts for automation or data validation?
- Have you worked with any ETL tools (e.g., Informatica, Talend, SSIS, DataStage)?
- Have you validated large datasets across multiple sources (e.g., multiple schemas, files, or database types)?
- Are you comfortable working in a hybrid model (2–3 days per week onsite in Downtown Toronto)?
- Do you have valid authorization to work in Canada for this position?
- How many years of experience with AWS services required are S3, Glue, Cloudwatch, Airflow and Athena?