> Markdown version of [/jobs/ext/4546555-test-engineer-automation-api-testing](https://www.wearedevelopers.com/jobs/ext/4546555-test-engineer-automation-api-testing). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Test Engineer - Automation & API Testing - **Company:** First Soft Solutions - **Location:** Washington, DC, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Testing (Software), Java (Programming Language), JavaScript (Programming Language), Application Programming Interfaces (APIs), Agile Methodology, Automation of Tests, Continuous Integration, Relational Databases, Database Testing, Python (Programming Language), Scrum Methodology, Application Data, Requirements Traceability, Selenium, SQL Databases, TypeScript, Scripting, Postman, Integration Tests, Playwright, Restful APIs, Api Management - **Published:** November 3, 2026 - **Apply:** https://www.careerjet.com/jobad/us1191cae58fde844c98ec4844084f8863 ## About the Role * 5 7 years of hands-on software testing experience. * Strong Selenium or Playwright test automation experience. * Practical REST API and integration testing experience. * SQL and relational database validation skills. * Experience with Agile/Scrum and CI/CD environments. * Experience with defect tracking and test management tools. * Strong analytical, troubleshooting, and communication skills. Preferred Qualifications * Java, Python, JavaScript, or TypeScript automation scripting. * Experience with performance and accessibility testing. * Federal application or regulated-industry experience. * Familiarity with Section 508, FISMA, and NIST frameworks. ## Description We are seeking a skilled Test Engineer to support the testing and modernization of enterprise federal applications. The successful candidate will design, develop, and execute automated and manual tests to ensure functional correctness, performance, integration reliability, and application quality. Key Responsibilities * Design and execute functional, regression, integration, and end-to-end test cases. * Build and maintain automated UI tests using Selenium, Playwright, or comparable frameworks. * Develop and execute API test suites using Postman, REST Assured, or similar tools. * Perform SQL queries and database testing to verify application data integrity. * Integrate automated tests with CI/CD pipelines. * Identify, document, investigate, and track defects through resolution. * Collaborate with software developers, business analysts, and product owners. * Participate in Agile ceremonies and contribute to release readiness activities. * Maintain test documentation and requirements traceability.