Senior Backend Data Test Engineer - Big-Data & ETL Validation

Beacon Hill Staffing Group, LLC; Lansing (MI); On-site; USD 120,000 - 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, ensure data integrity, and verify backend/frontend data flows across CMS platforms. You will work with Data Coaches/Analysts/DBA and Agile teams to ensure quality and compliance by designing tests, validating ETL processes, and coordinating with stakeholders.

The role emphasizes independent test plan development, API validation, and alignment with SDLC standards within a

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.
• Proven ability to work independently, take initiative, and manage tasks with minimal direction.

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, Final Action Indicator logic, Provider data, and Beneficiary data etc.
• Validate data sourced from CMS's Integrated Data Repository
• Conduct detailed data comparison and reconciliation between backend datasets (PostgreSQL/Snowflake) and corresponding Frontend/UI outputs and/or Databricks Unity Catalog results.
• Collaborate with Business Analysts, DBAs, Developers, DevOps engineers, and Scrum/Kanban teams to ensure system reliability, data accuracy, and optimal performance.
• Ensure adherence Testing Framework standards, organizational SDLC processes, quality procedures, and regulatory compliance requirements.
• Participate in functional UI validations as needed to support end-to-end data integrity across user-facing components.
• Independently develop, execute, and maintain detailed backend test plans, test cases, and validation scenarios with zero or minimal supervision.
• Design and execute API-based test scenarios to validate backend services and data flows.
• Actively participate in Agile ceremonies .

Skills

Backend testing

SQL

Big-data testing

Data validation

Communication

Independent work

Agile/SAFe

API testing

UI validation

Tools

Jira

Confluence

Slack

TestRail

Job description

Beacon Hill Staffing Group, LLC is seeking a Senior Backend Data Test Engineer to validate large-scale data systems, ensure data integrity, and verify backend/frontend data flows across CMS platforms. You will work with Data Coaches/Analysts/DBA and Agile teams to ensure quality and compliance by designing tests, validating ETL processes, and coordinating with stakeholders.

The role emphasizes independent test plan development, API validation, and alignment with SDLC standards within a