Overview
Skills
Job Details
Role: QA Engineer
Location: Bethesda, MD
Duration: Long Term
Note: Only on W2
Summary
A results-driven QA Engineer with strong expertise in data validation, ETL testing, data pipelines, and automation frameworks. Skilled in ensuring data accuracy, quality, performance, and reliability across analytics, data warehousing, and cloud environments. Works closely with Data Engineers, Analysts, and Product teams to develop robust testing strategies aligned with business requirements.
Key Responsibilities
· Develop and execute test strategies, test plans, and test cases for data-driven applications.
· Perform data validation and reconciliation across multiple systems, ensuring data integrity, completeness, and accuracy.
· Conduct ETL / ELT pipeline testing including:
o Source-to-Target data mapping verification
o Schema and transformation validation
o Data lineage and metadata analysis
· Design automation solutions for API, data pipeline, and database testing using Python, PyTest, or similar frameworks.
· Perform SQL queries for data profiling, validation, and troubleshooting.
· Participate in Agile ceremonies (user stories refinement, sprint planning) and contribute to test effort estimation.
· Conduct regression, smoke, and functional testing for dashboards, BI reports, and data-driven applications.
· Conduct root cause analysis for data issues and partner with engineering teams to define fixes.
· Maintain defect lifecycle in Jira or similar tools ensuring clear documentation and communication.
Soft Skills
· Strong analytical and problem-solving abilities
· Detail-oriented and data-driven mindset
· Effective communication & documentation skills
· Collaboration with cross-functional data teams
· Continuous improvement and innovation mindset