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Perform • Brazil
Role & seniority: Quality Assurance Engineer (mid-level, on a fast-paced mobile game QA team)
Stack/tools: C# (preferred) or Java; Unity; mobile platforms (iOS/Android); automated testing with Unity Test Runner; device farms (AWS Device Farm, Kobiton or similar); CI/CD tools (Jenkins, Azure DevOps)
Develop and maintain automated tests for Unity-based mobile apps (C# or Java)
Execute tests across a device farm, manage devices, and analyze results; run automated tests on iOS and Android
Integrate automated tests into CI/CD pipelines; apply visual/blueprint-driven testing; debug and partner with teams to resolve failures and root causes
Strong programming in C# (preferred) or Java; experience with Unity
Hands-on mobile testing across iOS and Android; familiarity with device farms
Debugging, problem-solving, and collaboration in a fast-paced team
Experience with Kobiton or transitioning test infrastructure between farms
Knowledge of Android adb and iOS/Xcode tooling
Exposure to visual programming (e.g., Unreal Engine Blueprints)
Experience with CI/CD tools (Jenkins or Azure DevOps)
Location & work type: not specified in provided text; no details on location or work arrangement
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 Do
Develop 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 For
Strong 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 Have
Experience with Kobiton or transitioning test infrastructure between farms. Knowledge of Android (adb) and iOS/Xcode tooling. Exposure to visual programming like Unreal Engine Blueprints Experience with CI/CD tools like Jenkins or Azure DevOps.
Why Join Us
You’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.
Since 2005, Perform's engineers have been helping companies scale their apps and their teams. We were near-shoring before it was even a term and have worked with 100s of clients along the way. Show more Show less