Senior Data QA Engineer
Core
Senior Data QA Engineer owning test design and execution for complex data engineering and warehousing work items, mentoring junior engineers, and deputizing for the QA Lead.
Role type
Senior IC Data QA Engineer
Builds
ETL/ELT pipelines, data warehouse loads, and data validation suites for financial services clients
Domain
Financial services / Data Engineering
Deliverable
production ML models
Required skills
SQL, Python, ETL/ELT pipeline testing, test design, risk-based coverage, Azure DevOps, data profiling
Preferred skills
Databricks (PySpark, Delta Lake), medallion architecture, data test automation frameworks, CI/CD, Tableau testing
Technologies
SSIS, dbt, Fivetran, Python, Databricks, Azure DevOps, Tableau, Claude, Copilot
Responsibilities
Define acceptance criteria and design tests before development; execute data validation, unit, integration, regression, and source-to-target testing; document defects and drive closure; contribute to automated regression suites; mentor Intermediate and Junior engineers; review test designs and queries; collaborate with business analysts, developers, and data architects on test plans; leverage AI tools for test case generation and query review.
Seniority
Senior, hands-on IC with mentorship duties