Full-time

Software Tester / QA Engineer (Web & API Testing)

Posted by Falls Technology • chantilly, va, United-States

📍 chantilly, va 🕒 June 14, 2026

About the Role

(TS/SCI w POLY REQUIRED)





Software Tester / QA Engineer (Web & API Testing)


We are seeking a detail-oriented and technically skilled Software Tester / QA Engineer to support testing of modern web-based applications and API-driven systems. This role is ideal for someone who enjoys digging into systems, validating functionality end-to-end, and building automated test coverage in a fast-paced environment.


Responsibilities



  • Test web-based applications for functionality, performance, and usability

  • Validate API endpoints exposed through API gateways and backend services

  • Design, execute, and maintain manual and automated test cases

  • Use tools such as Postman and Swagger to test, document, and validate APIs

  • Develop and maintain automated test scripts using frameworks such as Cypress or similar tools

  • Analyze test results, identify de...

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