Senior Backend Data Validation Engineer

Beacon Hill Staffing Group, LLC; Concord (NH); On-site; USD 110,000 - 160,000; 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 accuracy and integrity across backend platforms and related UI applications.

You will perform ETL validation with Databricks, Snowflake and PostgreSQL, analyze CMS datasets, develop detailed test plans, write API tests, and collaborate with Analysts, DBAs, and Scrum teams to ensure quality, compliance and reliable performance.

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.

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

Agile/SAFe

Communication

Independent work

Tools

Databricks

Snowflake

PostgreSQL

Jira

Confluence

Slack

TestRail

Java

Selenium

Cucumber

Job description

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

You will perform ETL validation with Databricks, Snowflake and PostgreSQL, analyze CMS datasets, develop detailed test plans, write API tests, and collaborate with Analysts, DBAs, and Scrum teams to ensure quality, compliance and reliable performance.