Senior Data Engineer

Responsibilities

• Develop extraction, transformation, validation, reconciliation, and loading logic in line with approved source-to-target mappings and ETL HLDs
• Own the quality of ETL deliverables by designing, executing, and evidencing developer-led testing before QA involvement
• Create and maintain automated unit tests, component tests, and data validation checks for ETL pipelines
• Validate source-to-target mappings, transformation logic, reconciliation controls, and error-handling scenarios as part of development
• Produce test evidence demonstrating that ETL code meets functional and non-functional requirements prior to promotion
• Support dry runs and test migrations, investigate defects, perform root cause analysis, and implement fixes
• Build ETL jobs that can be re-run safely with clear logging and error handling
• Create and update supporting documentation such as runbooks and technical implementation notes
• Actively participate in ALL scrum ceremonies
• Contribute to the "Three Amigos" discussions (typically BA, QA, Tech

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