Beacon Hill was founded to set a new standard in search, career placement and flexible staffing. The Senior Backend Data Test Engineer will be responsible for validating large-scale data systems, ensuring data accuracy, integrity, and consistency across backend platforms and corresponding frontend/UI applications. This requires deep expertise in backend database testing, ETL verification, big-data technologies, and data quality analysis within a CMS high-priority application. The engineer will work closely with Data Coaches/Analysts/DBA and Scrum/Kanban teams to ensure alignment with program standards, backend-frontend requirements, and Agile delivery expectations. Primary 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 . Required Qualifications (Must have) * 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. Preferred Qualifications Candidates with the following skills will receive preferential consideration: * Test case and test results documentation experience using TestRail. * Prior Federal, HHS or CMS experience * 508 compliance testing using JAWS or similar tools. * Experience with Tableau or Grafana for data visualization and monitoring * Experience performing penetration or security testing using Burp Suite or similar tools. * Experience/Familiarity developing or maintaining automated test scripts using Java, Selenium, Cucumber, or similar tools. * Experience integrating automated test suites into GitHub/Jenkins CI/CD pipelines. Beacon Hill is an equal opportunity employer and individuals with disabilities and/or protected veterans are encouraged to apply. California residents: Qualified applications with arrest or conviction records will be considered for employment in accordance with the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act. If you would like to complete our voluntary self-identification form, please click here or copy and paste the following link into an open window in your browser: https://jobs.beaconhillstaffing.com/eeoc/ Completion of this form is voluntary and will not affect your opportunity for employment, or the terms or conditions of your employment. This form will be used for reporting purposes only and will be kept separate from all other records. Company Profile: Beacon Hill Technologies, a premier National Information Technology Staffing Group, provides world class technology talent across all industries utilizing a complete suite of staffing services. Beacon Hill Technologies' dedicated team of recruiting and staffing experts consistently delivers quality IT professionals to solve our customers' technical and business needs. Beacon Hill Technologies covers a broad spectrum of IT positions, including Project Management and Business Analysis, Programming/Development, Database, Infrastructure, Quality Assurance, Production/Support and ERP roles. Learn more about Beacon Hill and our specialty divisions, Beacon Hill Associates, Beacon Hill Financial, Beacon Hill HR, Beacon Hill Legal, Beacon Hill Life Sciences and Beacon Hill Technologies by visiting www.bhsg.com . Benefits Information: Beacon Hill offers a robust benefit package including, but not limited to, medical, dental, vision, and federal and state leave programs as required by applicable agency regulations to those that meet eligibility. Upon successfully being hired, details will be provided related to our benefit offerings. We look forward to working with you. Beacon Hill. Employing the Future™
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