Sr. Software Engineer (QA Automation / ETL & Backend Testing)

Company Description
Lumen Solutions Group Inc. is a technology consulting Services company based in Florida. We provide a wide array of experienced business and IT professionals supporting clients from solution design to implementation and support. We specialize in professional IT consulting services, IT Staffing, Business/IT Strategy, Business Process Blueprints, Enterprise Architecture, Enterprise Transformation. 
 
Role: Sr. Software Engineer (QA Automation / ETL & Backend Testing)
Location: Reston, VA (Remote)
Type: Contract
 
Job Description:
We are seeking a Senior Software Engineer / Senior QA Automation Engineer with strong expertise in backend testing, ETL/data validation, and test automation. This role will support enterprise healthcare initiatives including claims processing, with upcoming work in enrollments and accumulators. The ideal candidate has hands-on experience with SQL-heavy ETL testing, Selenium automation, and modern data platforms including MongoDB (preferred), along with a solid understanding of Agile delivery practices.
 
Key Responsibilities

• Perform backend testing and validate complex data flows across systems and integrations.
• Execute ETL testing and perform deep data validation using strong SQL.
• Develop and maintain automated test scripts using Selenium (SDET-focused).
• Support automation pipelines using Java and Jenkins.
• Validate data as part of migration efforts from DB2 to MongoDB (MongoDB preferred).
• Create and execute test cases, document results, and log defects in Agile tools.
• Participate in Agile ceremonies including stand-ups, sprint planning, grooming, and retrospectives.
• Collaborate with cross-functional teams to clarify requirements, user stories, and acceptance criteria.
• Support testing for projects that include API testing and service validations.
• Ensure high-quality delivery through strong communication and proactive issue resolution.

• 7+ years of experience in software testing / QA / automation engineering.
• Strong experience in ETL testing and SQL validation (MUST HAVE).
• Strong experience as an Automation Tester / SDET using Selenium (MUST HAVE).
• Experience with Java and Jenkins for test automation.
• Experience in healthcare domain (MUST HAVE).
• Hands-on experience in backend testing and data-driven testing.
• Strong Agile experience (user stories, defect writing, participation in ceremonies).
• Excellent written and verbal communication skills.