We are seeking a Quality Assurance Engineer to join a fast-paced team focused on mobile game quality. This role combines programming in C# (preferred) or Java with hands-on experience in Unity and mobile platforms. You'll design and run automated tests across a device farm to ensure our games perform seamlessly on iOS and Android. This is a highly collaborative role where curiosity, detective work, and strong debugging skills are key to success.What You'll DoDevelop and maintain automated tests for Unity-based mobile applications using C# or Java.Execute tests across a device farm (iOS and Android phones/tablets), manage devices, and analyze results.Run automated testing through Unity Test Runner and monitor results across both Android and iOS devices.Apply visual testing approaches and blueprint-driven test flows to validate gameplay and UI.Debug, troubleshoot, and partner with other teams to resolve failures and uncover root causes.Integrate automated tests into CI/CD pipelines such as Jenkins or Azure DevOps.What We're Looking ForStrong programming skills in C# (preferred) or Java, with experience in Unity.Hands-on mobile testing experience, ideally across both iOS and Android.Familiarity with device farms (AWS Device Farm, Kobiton, or similar).Ability to apply detective-style problem solving to investigate issues and drive them to resolution.Excellent communication and collaboration skills in a fast-paced team environment.It Is An Asset If You HaveExperience with Kobiton or transitioning test infrastructure between farms.Knowledge of Android (adb) and iOS/Xcode tooling.Exposure to visual programming like Unreal Engine BlueprintsExperience with CI/CD tools like Jenkins or Azure DevOps.Why Join UsYou'll play a key role in ensuring world-class mobile game quality at Microsoft, working on real devices across diverse platforms. If you love programming, mobile technology, and detective-style debugging, this role offers the chance to make a direct impact on the player experience.