Senior Automation Tester in Python

Responsibilities

• Own the design and evolution of a scalable, modular, metadata driven test automation framework supporting data pipelines, APIs and backend services, and end to end data product validation
• Enable plug and play components, parallel execution, environment isolation, and deterministic runs
• Build reusable frameworks supporting SQL based assertions, reconciliation, schema validation, and data contracts
• Drive adoption by making frameworks easy to integrate into existing pipelines
• Design tests for schema drift, backward incompatibility, late arriving data, and partial failures
• Implement row, aggregate, and hash based reconciliation, along with incremental and backfill validation
• Integrate and extend tools like Great Expectations and Soda to build custom validations for accuracy, completeness, uniqueness, and timeliness
• Expose quality metrics, SLAs, and test outcomes through dashboards
• Embed testing into pipelines through pre merge gates, release blockers, and integration with GitHub Actions, Jenkins, or similar tools
• Define strategies for synthetic data generation, masking, anonymization, and deterministic datasets for repeatable testing

Languages