Automation QA Engineer (Backend)

Warsaw, Poland.

Rakuten Viber is one of the most popular and downloaded apps in the world. We are a global team of engineers building safe, convenient communication tools for millions of users worldwide. We're looking for an experienced, highly motivated Backend Automation QA Engineer to join our R&D team in Warsaw.

Responsibilities

• Design, build, and maintain test automation for backend services in Java, from smoke suites through full regression

• Grow automated smoke tests into a trusted staging gate that blocks regressions before they reach production

• Partner with backend developers on end-to-end system verification beyond smoke testing

• Integrate automated suites into CI/CD pipelines and keep them fast, stable, and meaningful

• Help define quality gates and progression suites so every feature is verified by automation

Requirements

• 3-5 years in test automation, with strong hands-on Java

• Java, Selenide/Selenium, TestNG, Maven, RestAssured (API), Allure

• Framework and infrastructure building and maintenance: Page Object Model, Docker/Selenoid, GitLab CI, Git

• Solid experience automating backend/API testing (REST, microservices)

• Quality-first, automation-first mindset

• Experience using AI tools for development and QA

Nice to have

• Mobile automation (Appium) and device clouds (BrowserStack etc.)

• SQL/DB validation (MySQL via JDBI, Aerospike)

• AWS, GCP and Kubernetes

• Data-pipeline and feature-flag validation

• Multi-environment test configuration and parallel suite execution in CI

• AdTech experience