Sr. ETL QA
20 hours ago
The Senior ETL QA (Extract, Transform, Load Quality Assurance) plays a critical role in ensuring the integrity and performance of data as it moves through the ETL process. This position is vital within our organization as it directly impacts data accuracy, reliability, and overall business intelligence outcomes used for strategic decision-making. The Senior ETL QA will lead testing initiatives, develop robust testing procedures, and collaborate closely with data engineers, developers, and business analysts. Leveraging a deep understanding of ETL processes, this role focuses on identifying data issues early in the development cycle, enabling the team to deliver high-quality solutions. This is a hands-on position that combines technical skills with leadership ability, fostering a culture of excellence in data quality across project teams. Proficiency in automation is also key, as the Senior ETL QA will implement automated test scripts to improve testing efficiency and effectiveness. Thereby, ensuring trust in data and analytics initiatives crucial for driving business performance.Key Responsibilities
- Develop and execute test strategies for ETL processes
- Perform data validation and verification through all ETL stages
- Design and implement test plans, test cases, and test scripts
- Collaborate with Data Engineers to understand ETL pipeline requirements
- Analyze and document defects and issues discovered during testing
- Utilize SQL and other tools to perform in-depth data analysis
- Automate testing processes to enhance testing efficiency
- Conduct regression testing during system updates and enhancements
- Train and mentor junior QA team members on ETL testing
- Facilitate reviews of test outputs and provide feedback
- Support root cause analysis and reporting for data discrepancies
- Participate in Agile ceremonies and contribute to continuous improvement
- Ensure compliance with best practices in data quality and governance
- Manage testing environments and ensure data privacy standards
- Provide regular updates to stakeholders regarding testing status and issues
- Bachelor's degree in Computer Science or related field
- Minimum8 to 12 years of experience in ETL testing
- Strong proficiency in SQL and data manipulation
- Experience with ETL tools such as Informatica, Talend, or SSIS
- Solid understanding of data warehouses and data modeling concepts
- Familiarity with testing automation tools such as Selenium or QTP
- Knowledge of scripting languages (Python, Shell) is a plus
- Experience working in Agile/SCRUM environment
- Ability to communicate complex technical concepts effectively
- Strong analytical skills and attention to detail
- Proven problem-solving capabilities in data-related issues
- Knowledge of data visualization tools (Tableau, Power BI) is advantageous
- Experience in performance and load testing is preferred
- Certifications in QA methodologies (e.g., ISTQB) are a plus
- Proven track record of delivering projects on time
- Ability to work effectively in a team-oriented environment
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