Senior Backend Data Test Engineer — Big-Data & CMS

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

Benefits offered by this job

Equal opportunity employer

Job summary

Beacon Hill Staffing Group, LLC seeks a Senior Backend Data Test Engineer to validate large-scale data systems across backend and frontend applications. You will design and execute backend test plans, perform ETL validation, and ensure data accuracy and integrity in CMS environments.

The role requires 5+ years in backend/data testing, strong SQL with PostgreSQL/Snowflake, and experience with Databricks. You will collaborate with analysts, DBAs, developers, and Scrum/Kanban teams in an Agile/SAFe

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.
• 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 CMS datasets including Shared Systems Claims, Final Action Indicator logic, Provider data, and Beneficiary data.
• Validate data sourced from CMS's Integrated Data Repository.
• Conduct detailed data comparison and reconciliation between backend datasets and frontend/UI outputs 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

Agile methods

Test planning

Collaboration

Tools

Databricks

Snowflake

PostgreSQL

Jira

Confluence

Slack

Tableau

Grafana

Burp Suite

Selenium

Cucumber

GitHub

Jenkins

Job description

Beacon Hill Staffing Group, LLC seeks a Senior Backend Data Test Engineer to validate large-scale data systems across backend and frontend applications. You will design and execute backend test plans, perform ETL validation, and ensure data accuracy and integrity in CMS environments.

The role requires 5+ years in backend/data testing, strong SQL with PostgreSQL/Snowflake, and experience with Databricks. You will collaborate with analysts, DBAs, developers, and Scrum/Kanban teams in an Agile/SAFe