API QA / Test Engineer

Overview

DecisionPoint seeks an API QA / 508 / Test Engineer to perform comprehensive testing of enterprise APIs and integration workflows within a large federal and DoD-aligned mission environment. This role executes automated and manual API test suites, validates schemas and contract behavior, performs negative and error-handling tests, and supports regression testing for API version updates and integration changes. 

The API QA / 508 / Test Engineer ensures enterprise APIs remain reliable, secure, accessible, and compliant. This role collaborates closely with integration engineers, API developers, cybersecurity personnel, and product teams to validate API readiness across all environments. 

This position is fully remote. 

Duties & Responsibilities

The API QA / 508 / Test Engineer will: 

• 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. 

Qualifications

Clearance Requirement 

Must hold an active Top Secret clearance, supported by a Tier 5 background investigation. 

Education (Required) 

Bachelor’s degree in Information Systems, Computer Science, Quality Assurance, Testing, or a related technical field. 

Experience (Required) 

• 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. 

Technical Knowledge (Required) 

• 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. 

Technical Knowledge (Preferred) 

• 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. 

Certifications 

Required: 

• WCAG / Section 508 Accessibility Certification 

Preferred: 

• CompTIA Security+ 

• ITIL v4 Foundation 

• API testing or QA certifications 

Skills 

• 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. 

Our Equal Employment Opportunity Policy

• EEO and Affirmative Action Policy: DecisionPoint Corporation is an Equal Employment Opportunity and Affirmative Action employer. It is the policy of DecisionPoint Corporation to provide equal employment opportunity in accordance with all applicable Equal Employment Opportunity/Affirmative Action laws, directives and regulations to all employees and qualified applicants without regard to race, ethnicity, color, religion, national origin, sex, age, disability status, pregnancy, sexual orientation, gender identity, genetic information, protected veteran status, or any other protected status under Federal, State or Local laws.
• Pay Transparency Policy: In accordance with Presidential Executive Order 13665, DecisionPoint Corporation will not discharge or in any other manner discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay or the pay of another employee or applicant. However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with the contractor's legal duty to furnish information.
• Authorization to Share Resume and Personal Information: By expressing your interest and submitting your resume for this position, you authorize DecisionPoint Corporation to share your resume, as well as personal information included on the resume, with its subsidiaries, affiliates and teaming partners for the purpose of considering you for this position and other available positions requiring comparable skills, education and experience. Should DecisionPoint Corporation. or its affiliates and teaming partners wish to initiate pre-employment discussions, you will be asked to complete an employment application and related employment documents.