[Remote] API QA / 508 / Test Engineer

Note: The job is a remote job and is open to candidates in USA. DecisionPoint Corporation is seeking an API QA / 508 / Test Engineer to support comprehensive testing of enterprise APIs and integration workflows in a federal and DoD-aligned mission environment. The role performs automated and manual API testing, validates schemas, contracts, authentication, accessibility, and error handling, and supports regression testing, CI/CD integration, and cross-functional quality initiatives.

Responsibilities

• Develop and execute API contract tests, schema validation tests, and endpoint-level test cases
• Perform end-to-end integration testing across API workflows, middleware, and consuming applications
• Conduct negative testing, error-path validation, boundary conditions, and rate-limit testing
• Validate accessibility compliance for API documentation, developer portals, and related interfaces (Section 508/WCAG)
• Test API version migrations, deprecations, and regression scenarios for updated endpoints
• Use API testing tools (Postman, SoapUI, ReadyAPI, or similar) to execute automated and manual test suites
• Validate payloads, schema enforcement, authentication behavior, and token flows (OAuth2, SSO)
• Reproduce and document API defects, integration failures, and unexpected service responses
• Maintain API test artifacts, results, regression reports, and traceability documentation
• Collaborate with developers, integration engineers, and cybersecurity teams on test outcomes and mitigation actions
• Support automated CI/CD integration for API test suites
• Participate in Agile ceremonies and provide testing input during planning and refinements

Skills

• Must hold an active Top Secret clearance, supported by a Tier 5 background investigation
• Bachelor's degree in Information Systems, Computer Science, Quality Assurance, Testing, or a related technical field
• Minimum 5 years of experience in QA, API testing, systems testing, or software quality assurance
• Experience testing RESTful APIs, integration endpoints, and backend system interactions
• Experience performing schema validation, contract testing, and data structure verification
• Experience with negative testing, boundary testing, and error-handling validation
• Experience supporting regression testing for versioned APIs and integration changes
• Strong knowledge of API testing tools such as Postman, SoapUI, ReadyAPI, or equivalent
• Understanding of JSON schemas, OpenAPI/Swagger specifications, and contract enforcement
• Familiarity with authentication/authorization testing (OAuth2, JWT, SAML)
• Knowledge of Section 508/WCAG accessibility testing for UI-facing components (developer portals, documentation interfaces)
• Understanding of CI/CD integration for automated test suites
• Required:
• WCAG / Section 508 Accessibility Certification
• Strong analytical, debugging, and error-tracing abilities
• Excellent written documentation skills for defect reports and test artifacts
• Ability to validate complex integration flows and multi-system interactions
• High attention to detail and adherence to quality standards
• Ability to work collaboratively across development, cybersecurity, and integration teams
• Experience in a DoD or federal IT environment
• Familiarity with performance testing tools and load testing strategies
• Experience validating event-driven or asynchronous API patterns
• CompTIA Security+
• ITIL v4 Foundation
• API testing or QA certifications

Benefits

• This position is fully remote.

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