Software Tester/QA Engineer; Web & API Testing
Job in
Chantilly, Fairfax County, Virginia, 22021, USA
Listed on 2026-09-12
Listing for:
Stech Technology UK Limited
Full Time
position Listed on 2026-09-12
Job specializations:
-
Software Development
Job Description & How to Apply Below
(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 defects, and clearly document issues for engineering teams
- Collaborate with developers, product owners, and other stakeholders to ensure quality across releases
- Participate in sprint planning, backlog grooming, and Agile ceremonies
- Perform regression, integration, and system-level testing across environments
- 3+ years of experience in software testing or quality assurance
- Strong experience testing web applications and RESTful APIs
- Hands-on experience with API testing tools (e.g., Postman, Swagger)
- Experience with test automation frameworks (e.g., Cypress or equivalent)
- Understanding of programming/scripting languages (JavaScript preferred; Python, Java, or similar also acceptable)
- Familiarity with HTTP protocols, JSON, and API authentication methods
- Ability to read and interpret API specifications and documentation
- Strong analytical skills and attention to detail
- Experience working in Agile/Scrum environments
- Experience testing systems that operate through API gateways or distributed architectures
- Familiarity with CI/CD pipelines and integrating automated tests into build processes
- Experience with version control systems (e.g., Git)
- Knowledge of performance or load testing tools
- Exposure to cloud environments (AWS, Azure, or similar)
- Someone who takes ownership of quality and doesn’t just “check the box”
- A tester who can think like both a user and a developer
- Strong communicator who can clearly explain issues and risks
- Self-starter comfortable working in a small, high-performing team
(TS/SCI w POLY REQUIRED)
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