Senior Automation QA Engineer
About The Position
Unissant, Inc. is seeking a motivated, customer-oriented Senior Automation QA Engineer with experience in backend/API Automation and Java framework engineering for complex, data-intensive systems that handle sensitive and regulated data (PHI). This role supports our Center for Medicare and Medicaid Services (CMS) client in the Baltimore–Washington Metro area and aligns to the type of automation work performed within ESMD - building durable, reusable automation that validates service integrations and data movement end to end. The ideal candidate thrives on agile teams in a large-scale enterprise development environment.
Requirements
- 6 -10 years of hands-on experience in QA/Automation is required
- Minimum 3+ years building automation frameworks from scratch using Java (Rest Assured, TestNG/JUnit)
- Experience in regulated domains (Healthcare, Federal government) and CMS experience is required
- Strong expertise in REST API automation, contract testing, and JSON/XML ((including HL7 Clinical Documents), along with Base64 decoding.
- Strong SQL skills to validate backend data, perform reconciliation, and troubleshoot defects
- Proven experience in API testing, including REST, SOAP, and FHIR services
- Understanding of medical documentation and claims processing workflows
- Working knowledge of FHIR and HL7 interoperability standards
- Familiarity with X12 healthcare transactions, specifically 278 and 275
- Working knowledge of CI/CD tooling (Jenkins, GitLab, and/or Azure DevOps)
- Demonstrated experience in backend/API-focused automation; this role does not involve UI automation
- Proven ownership of automation framework architecture, design, and implementation
- Strong ability to work within complex, data-intensive backend systems and validate large-scale data flows
- Bachelor's degree in a computer or scientific field is required
- Strong written and verbal communication skills
Nice To Haves
- Experience with regulated or sensitive data systems preferred
- Experience in audit and compliance validation is a plus
- Testing certifications (e.g., CTSE, CSQA, CAST) are a plus.
Responsibilities
- Implement scalable API automation using Java (Rest Assured, TestNG/JUnit)
- Design, architect, and implement scalable automation frameworks for API, database, and file-level validations
- Develop end-to-end validation pipelines for Push and Pull workflows, including Base64 decoding and deep data comparison
- Lead validation efforts for FHIR workflows, including Document Reference and Binary resources
- Build and maintain data-driven testing frameworks using Excel/CSV
- Integrate and manage automation pipelines in Jenkins (scheduling, parallel execution, environment-based runs)
- Develop advanced database validation utilities using PostgreSQL and dynamic SQL
- Automate X12 workflows, including payload generation and SOAP-based validations
- Implement detailed reporting using Extent Reports for enhanced execution visibility
- Drive CI/CD transformation to achieve zero manual regression
- Collaborate with cross-functional teams to ensure high-quality software releases
- Write clear and concise technical architecture documents
- Interface, inspire, and motivate at various levels of the organization and with client stakeholders
- Communicate effectively across internal and external organizations
- Work well in a matrixed team environment
Benefits
- Flexible in working extended hours as mission or project demands require
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What This Job Offers
Job Type
Full-time
Career Level
Senior
