SDET for Android (Kotlin) Central Europe

Zoolatech; Central (LA); On-site; USD 80,000 - 110,000; Full time

Job summary

Zoolatech in the United States is seeking a skilled Android SDET/QA Automation engineer to design, implement, and maintain automated tests for our consumer mobile app. You will work with Kotlin, JUnit, Espresso and CI/CD pipelines to ensure stability, performance, and a seamless user experience across iOS and Android ecosystems. You will collaborate with Android engineers to ensure testable, automation-friendly code and contribute to in-house tooling for test parallelization and reporting.

Qualifications

• 2+ years of Android QA or SDET experience.
• Proficient in Kotlin and Android SDK debugging.
• Experience with JUnit, Espresso and UI automation.

Responsibilities

• Design and maintain automated test cases and frameworks.
• Collaborate with Android engineers to ensure testability.
• Drive CI/CD improvements and test reporting.

Skills

Android testing

Kotlin

JUnit

Espresso

UI automation

CI/CD

Tools

Qase

GitHub

Dagger/Hilt

Retrofit

Jetpack

Job description

A large-scale consumer mobile application with millions of active users required a robust testing strategy to ensure stability, performance, and seamless user experience. Testing efforts focused on both iOS and Android platforms, covering functional validation, UI/UX consistency, geolocation features, and real-time interactions.

Contribute as a key member of a world-class Android Engineering and QA Automation team.

Design, implement, and maintain automated test cases and frameworks in Kotlin, JUnit, Espresso.

Own the quality lifecycle: identify issues, file and track bugs in Qase(or similar systems), and drive them to resolution.

Collaborate closely with Android engineers to ensure application code is testable and automation-friendly.

Build and maintain in-house tools for test parallelization, network mocking, and custom reporting.

Perform peer code reviews, ensuring robust test coverage and reliable CI pipelines.

Drive improvements to the CI/CD ecosystem, ensuring scalability, maintainability, and speed of test execution.

Explore and integrate AI-assisted development approaches to enhance test generation, workflow optimization, and CI/CD practices.

Actively participate in Agile ceremonies – daily standups, sprint planning, retrospectives, and showcases.

2+ years of experience as an SDET, QA Automation Engineer, or related role, with a strong focus on Android application testing.

Proficient in Kotlin and the Android SDK, with strong debugging and troubleshooting skills.

Hands-on experience with JUnit, Espresso and UI automation.

Experience with dependency injection frameworks (Dagger/Hilt) and API testing using Retrofit.

Familiarity with Jetpack libraries and modern Android development best practices.

Strong experience with Git/GitHub, familiar with both Gitflow and trunk-based development.

Knowledge of SOLID principles and ability to apply them in test framework design.

Ability to apply or readiness to adopt AI-driven testing practices, including test generation and workflow automation.

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