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Home Careers Discover openings Quality Engineer (Mobile)

Quality Engineer (Mobile)

Phoenix, AZ, US

We are seeking a QA Automation Engineer to support the quality and reliability of mobile and backend applications. In this role, you will design, develop, and maintain automated testing solutions for mobile platforms and APIs, helping ensure seamless user experiences and stable software releases. You will work closely with cross-functional teams to enhance test coverage, support CI/CD processes, execute testing activities, and contribute to overall quality assurance best practices throughout the software development lifecycle.

Essential functions

  • Design, develop, and maintain automated mobile test suites using Java and Appium for both iOS and Android platforms, covering critical user journeys including barcode scanning, geofencing, and in-store checkout flows.

  • Build and maintain API automation using REST Assured, validating backend services that power the mobile app.

  • Create and execute Postman collections for regression and smoke testing across backend microservices.

  • Integrate automated test suites into CI/CD pipelines and ensure reliable execution on real devices.

  • Collaborate with mobile engineers, DevOps, and QA leads to maintain pipeline health, improve test coverage, and support stable release cycles.

  • Participate in test planning, sprint ceremonies, and contribute to shift-left practices across the team.

Qualifications

  • Strong experience in mobile test automation using Java and Appium (iOS + Android), with hands-on knowledge of XCUITest and UIAutomator2 drivers.

  • Solid understanding of mobile-specific testing challenges: device fragmentation, OS permissions, background/foreground app lifecycle, and real device vs emulator tradeoffs.

  • Experience with API testing and automation using Java (REST Assured or similar), including request/response validation, contract testing, and negative scenarios.

  • Hands-on experience with Postman for exploratory, smoke, and regression testing across backend services.

  • Experience integrating automated test suites into CI/CD pipelines and working with cloud device farms (BrowserStack, Sauce Labs).

  • Bachelor’s Degree in Computer Science or similar.

We offer

  • Opportunity to work on cutting-edge projects

  • Work with a highly motivated and dedicated team

  • Competitive salary

  • Flexible schedule

  • Benefits package - medical insurance, vision, dental, etc.

  • Corporate social events

  • Professional development opportunities

  • Well-equipped office

About us

Grid Dynamics (NASDAQ: GDYN) is a leading provider of technology consulting, platform and product engineering, AI, and advanced analytics services. Fusing technical vision with business acumen, we solve the most pressing technical challenges and enable positive business outcomes for enterprise companies undergoing business transformation. A key differentiator for Grid Dynamics is our 8 years of experience and leadership in enterprise AI, supported by profound expertise and ongoing investment in data, analytics, cloud & DevOps, application modernization and customer experience. Founded in 2006, Grid Dynamics is headquartered in Silicon Valley with offices across the Americas, Europe, and India.

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