Senior Backend Data QA Engineer – Big Data

Beacon Hill Staffing Group, LLC; Columbus (OH); On-site; USD 120,000 - 180,000; 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 frontend/UI applications.

The role focuses on ETL verification with Databricks, Snowflake, and PostgreSQL, and requires collaboration with Analysts, DBAs, Developers, and DevOps in an Agile environment. Strong SQL and testing expertise are essential.

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 collaboration tools such as 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.
• Strong communication skills with the ability to collaborate effectively with Product Owners, DBAs, and Developers.

Responsibilities

• Perform comprehensive ETL and backend data validation across big-data technologies including Databricks, Snowflake, PostgreSQL, and related platforms.
• Analyze, interpret, and validate complex CMS datasets including Shared Systems Claims and Beneficiary data.
• Validate data sourced from CMS's Integrated Data Repository.
• Conduct detailed data comparison between backend datasets and frontend outputs.
• Collaborate with Analysts, DBAs, Developers, and DevOps to ensure data accuracy and performance.
• Adhere to Testing Framework standards and SDLC processes.
• Participate in UI validations to support end-to-end data integrity.
• Develop, execute, and maintain detailed backend test plans and scenarios.
• Design and execute API-based test scenarios to validate backend services.

Skills

Backend testing

SQL

PostgreSQL

Snowflake

Databricks

ETL validation

Agile/SAFe

API testing

Test planning

Collaboration

Tools

Jira

Confluence

Slack

GitHub

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 frontend/UI applications.

The role focuses on ETL verification with Databricks, Snowflake, and PostgreSQL, and requires collaboration with Analysts, DBAs, Developers, and DevOps in an Agile environment. Strong SQL and testing expertise are essential.