Software Tester / QA Engineer (Web & API Testing)

Falls Technology

📍 chantilly, va, United-States

Full-time Other-General Posted June 14, 2026

Job Description

(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...