Rakuten Viber
Open positions
Automation QA Engineer (Mobile)
Automation QA Engineer builds and maintains mobile test automation (Appium with Java, Page Object Model) for Rakuten Viber's iOS and Android apps, turning smoke suites into release-blocking regression suites, integrating them into GitLab CI with device clouds, and training QA engineers toward automation-first.
Automation QA Engineer (Backend)
Backend automation QA engineer at Rakuten Viber (Warsaw) building and maintaining Java-based test automation for backend services of a messaging super-app — growing smoke suites into staging gates, partnering with developers on E2E verification, and integrating suites into CI/CD. Core stack: Java, Selenide/Selenium, TestNG, Maven, RestAssured, Allure, Docker/Selenoid, GitLab CI.
Android Developer
Android Developer at Rakuten Viber building and maintaining the Viber super-app for millions of users using Java, Kotlin, and Android Jetpack components.
Senior Product Analyst
Senior Data Analyst at Rakuten Viber (London, hybrid with 3+ days in office) partnering with product, engineering, and marketing to turn user data into insights — designing A/B tests, building automated dashboards, and using SQL, Python, visualization tools, and AI to drive decisions for a social mobile super-app.