Senior Backend Data QA Engineer – ETL & Big Data

Beacon Hill Staffing Group, LLC; Tallahassee (FL); On-site; USD 110,000 - 150,000; Full time

Job summary

Beacon Hill Staffing Group, LLC is seeking a Senior Backend Data Test Engineer to validate large-scale data systems and ensure data accuracy across backend platforms and front-end applications.

The role requires deep expertise in ETL verification, SQL, and big-data technologies, with collaboration across Data Coaches/Analysts/DBA and Scrum/Kanban teams to align with program standards and Agile delivery expectations.

Qualifications

• Minimum of 5+ years of direct experience as a Backend/Data Tester.
• Strong expertise in backend database testing using PostgreSQL, Snowflake, and advanced SQL.
• Experience performing data validation within a big-data environment (Databricks, Snowflake, etc.).
• Proficiency with Jira, Confluence, and Slack.
• Solid experience working within Agile or SAFe methodologies.
• Hands-on experience writing user stories, defect tickets, and clear acceptance criteria.
• Ability to create detailed test cases based on user stories and functional requirements.

Responsibilities

• Perform comprehensive ETL and backend data validation across big-data technologies including Databricks, Snowflake, PostgreSQL, and related platforms.
• Analyze, interpret, and validate CMS datasets (e.g., Shared Systems Claims, Final Action Indicator logic, Provider and Beneficiary data).
• Validate data sourced from CMS's Integrated Data Repository.
• Conduct data comparisons between backend datasets and frontend outputs or Databricks Unity Catalog results.
• Collaborate with Analysts, DBAs, Developers, DevOps, and Scrum/Kanban teams to ensure data accuracy and performance.
• Ensure adherence to Testing Framework standards, SDLC processes, and regulatory requirements.
• Participate in functional UI validations to support end-to-end data integrity.
• Develop and maintain detailed backend test plans, cases, and validation scenarios.
• Design and execute API-based test scenarios for backend services and data flows.

Skills

Backend data testing

Advanced SQL

Data validation in big-data

Communication

Independent work

Test planning

User story writing

Tools

Jira

Confluence

Slack

TestRail

Tableau

Grafana

Burp Suite

Selenium

Cucumber

GitHub/Jenkins CI/CD

Job description

Beacon Hill Staffing Group, LLC is seeking a Senior Backend Data Test Engineer to validate large-scale data systems and ensure data accuracy across backend platforms and front-end applications.

The role requires deep expertise in ETL verification, SQL, and big-data technologies, with collaboration across Data Coaches/Analysts/DBA and Scrum/Kanban teams to align with program standards and Agile delivery expectations.