ETL Tester - Senior Engineer
- Iris Software
- 6 - 8 years
- Noida, Gurugram
- 2 days ago
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Job Description
- Data Testing Strategy & Execution: Design, develop, and execute comprehensive test plans and test cases for data-centric applications, ETL processes, data warehouses, data lakes, and reporting solutions.
- SQL-Driven Validation: Utilize advanced SQL queries to perform complex data validation, data reconciliation, data integrity checks, and data quality assurance across various financial data sources.
- ETL Testing: Conduct thorough testing of ETL (Extract, Transform, Load) processes, ensuring data is accurately extracted, transformed according to business rules, and loaded correctly into target systems.
- Data Quality Assurance: Implement and monitor data quality checks, identify data discrepancies, anomalies, and inconsistencies, and work with development and business teams to resolve issues.
- Performance Testing (Data Focus): Contribute to performance testing efforts for data pipelines and database operations, ensuring optimal query and data load performance.
- Test Data Management: Create and manage robust test data sets for various testing phases, including positive, negative, and edge case scenarios.
- Defect Management: Identify, document, track, and re-test defects in data, collaborating closely with development and data engineering teams for timely resolution.
- Documentation & Reporting: Maintain clear and concise documentation of test plans, test cases, test results, and data quality reports. Provide regular status updates to stakeholders.
- Collaboration: Work effectively with business analysts, data architects, data engineers, and project managers to understand data flows, business requirements, and ensure data quality standards are met.
- Process Improvement: Proactively identify opportunities for process improvements in data testing methodologies and tools.
- Global Team Collaboration: Provide consistent overlap with EST working hours (until noon EST) to facilitate effective communication and collaboration with US-based teams.
Required Skills & Experience:
- Experience: 6-8 years of hands-on experience in Data Quality Assurance, Data Testing, or ETL Testing roles.
- SQL Expertise:
- Advanced proficiency in SQL: Ability to write complex queries, subqueries, analytical functions (Window functions), CTEs, and stored procedures for data validation, reconciliation, and analysis.
- Experience with various SQL databases (e.g., SQL Server, Oracle, PostgreSQL, MySQL, Snowflake, BigQuery).
- Strong understanding of database concepts: normalization, indexing, primary/foreign keys, and data types.
- Data Testing Methodologies: Solid understanding of data warehousing concepts, ETL processes, and various data testing strategies (e.g., source-to-target mapping validation, data transformation testing, data load testing, data completeness, data accuracy).
Domain Expertise:
- Strong understanding and proven experience in Risk and Finance IT domain: Familiarity with financial data (e.g., trading data, market data, risk metrics, accounting data, regulatory reporting).
- Knowledge of financial products, regulations, and risk management concepts.
- Analytical & Problem-Solving Skills: Excellent ability to analyze complex data sets, identify root causes of data issues, and propose effective solutions.
- Communication: Strong verbal and written communication skills to articulate data issues and collaborate with diverse teams.
- Time Zone Overlap: Proven ability and willingness to provide consistent working hour overlap until noon EST to collaborate with teams in the Eastern Standard Time zone.
Mandatory Competencies
- ETL - ETL - Tester
- QA - Test Case Preparation
- QA/QE - QA Manual - Test Case Creation, Execution, Planning, Reporting with risks/dependencies.
Job Classification
Industry: IT Services & ConsultingFunctional Area / Department: Engineering - Software & QARole Category: Quality Assurance and TestingRole: Data / Big Data Testing EngineerEmployement Type: Full timeContact Details:
Company: Iris SoftwareLocation(s): Noida, Gurugram+ View Contact
Keyskills: etl snowflake risk management oracle data pipelines data warehousing process improvement market data accounting data engineering sql server sql qa data quality advanced sql postgresql quality assurance mysql bigquery finance
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