Senior Backend Data Quality Engineer (ETL & Big Data)

Beacon Hill Staffing Group, LLC; Baltimore (MD); On-site; USD 120,000 - 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, ensuring data accuracy and integrity across backend platforms and frontend/UI applications through ETL testing and big-data validation.

You will collaborate with Data Coaches, Analysts, DBAs, and Scrum teams to align with program standards and Agile delivery. Strong SQL, PostgreSQL and Snowflake expertise are essential for success.

Qualifications

• 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.

Responsibilities

• Perform comprehensive ETL and backend data validation across big-data technologies.
• Analyze, interpret, and validate CMS datasets.
• Validate data sourced from CMS's Integrated Data Repository.
• Conduct data comparison between backend datasets and Frontend outputs.
• Collaborate with Analysts, DBAs, Developers, and Scrum/Kanban teams.
• Ensure adherence to Testing Framework standards and SDLC processes.
• Participate in functional UI validations as needed.
• Develop, execute, and maintain backend test plans and test cases.
• Design and execute API-based test scenarios for backend services.

Skills

Backend testing

PostgreSQL

Snowflake

Advanced SQL

Tools

Jira

Confluence

Slack

Databricks

Job description

Beacon Hill Staffing Group, LLC is seeking a Senior Backend Data Test Engineer to validate large-scale data systems, ensuring data accuracy and integrity across backend platforms and frontend/UI applications through ETL testing and big-data validation.

You will collaborate with Data Coaches, Analysts, DBAs, and Scrum teams to align with program standards and Agile delivery. Strong SQL, PostgreSQL and Snowflake expertise are essential for success.