Senior QA Engineer — Data & API Quality

Numerator; Indiana; On-site; USD 70,000 - 110,000; Full time

Job summary

Numerator is seeking a QA Engineer to ensure quality, reliability, and integrity of the DPP deliverables across data ingestion, transformation, APIs, and downstream reporting. You will review requirements, design test scenarios, and execute manual and automated tests to validate end-to-end data flows and business rules.

In collaboration with Product, Engineering, and Data teams, you will manage defects, support release readiness, and drive continuous improvements in QA tooling and processes to

Qualifications

• Experience in QA for data-driven platforms with ETL, APIs, and reporting.
• Strong SQL for data validation and root-cause analysis.
• Excellent communication and collaboration across Product, Engineering, and Data teams.

Responsibilities

• Review requirements and acceptance criteria to design test scenarios and test cases.
• Execute manual and automated tests across the DPP platform.
• Record defects with reproduction steps and impact for triage and resolution.
• Validate end-to-end data flows and business rules.
• Maintain regression test coverage and support release readiness.
• Support root-cause analysis and fix validation with Engineering and Data teams.
• Contribute to knowledge sharing and QA process improvements.

Skills

QA & Testing

Data Validation

API Testing

Analytical Thinking

Tools

Azure DevOps

SQL

Postman

Swagger/OpenAPI

Databricks

Azure Data Factory

Python

Java

Job description

Numerator is seeking a QA Engineer to ensure quality, reliability, and integrity of the DPP deliverables across data ingestion, transformation, APIs, and downstream reporting. You will review requirements, design test scenarios, and execute manual and automated tests to validate end-to-end data flows and business rules.

In collaboration with Product, Engineering, and Data teams, you will manage defects, support release readiness, and drive continuous improvements in QA tooling and processes to