Sr. Automation Engineer (Expresso) - Android

Experience: 7+ Years

Location: Mexico City, MX(Onsite)

Tech Stack: Espresso, Kotlin, UI Automator, Mock

You will build a hermetic testing environment using Espresso and UI Automator that validates complex user flows across a fragmented device landscape.

What You'll Do
- Test Architecture: Design a layered automation strategy (Unit vs. Integration vs. E2E) to maximize coverage while minimizing execution time.
- Scripting: Write robust UI tests using Espresso and UI Automator (for cross-app interactions like Login/Payments).
- Mocking: Implement MockWebServer or similar tools to create hermetic test environments, decoupling tests from backend instability.
- Device Farm Mgmt: Manage test execution across device farms (Firebase Test Lab, SauceLabs) to ensure compatibility across varied screen sizes and OS versions.
- CI Integration: Integrate reporting tools (Allure/ReportPortal) into CI to provide clear, actionable insights on test failures.

What You'll Bring
- Experience: 7+ years in Test Automation with a focus on Android.




- Coding: Strong Kotlin development skills.
- Frameworks: Mastery of Espresso, UI Automator, and JUnit.
- Pattern Knowledge: Understanding of the Robot Pattern or Page Object Model to write maintainable test code.
- Infrastructure: Experience with Docker or CI environments to run headless emulators.

Job Types: Full-time, Permanent

Pay: From $60,000.00 per month

Application Question(s):
- Describe your hands-on experience using Espresso and UI Automator. In which scenarios do you use each, and why?
- How have you implemented hermetic or backend-independent tests in Android? Please mention tools or approaches (e.g., MockWebServer, stubs, mocks).
- How do you structure an Android automation framework (unit, integration, E2E), and how do you integrate it into CI/CD pipelines?
- This role requires on-site work in Mexico City. Are you currently based in CDMX or willing to relocate and work on-site?

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