Android SystemUI Engineer
Position Overview :
We're seeking an experienced SystemUI Engineer to develop and maintain Android's user interface components and system-level UI frameworks.
This role focuses on creating intuitive, performant user experiences through deep SystemUI customization, framework integration, and cross-component communication via AIDL.
We value demonstrated expertise and practical contributions over formal credentials.
Key Responsibilities :
SystemUI Development :
- Design, develop, and maintain SystemUI modules including status bar, navigation bar, quick settings, and notification panel.
- Implement custom lock screen interfaces and system dialogs.
- Optimize UI performance, animations, and user interaction flows.
- Develop and maintain notification system components and behaviors.
- Create responsive and adaptive UI elements for different screen sizes and orientations.
Framework Integration :
Integrate SystemUI components with Android framework services (ActivityManager, WindowManager, PackageManager).Design and implement AIDL interfaces for UI-related inter-process communication.Collaborate with framework teams to expose necessary system APIs.Ensure proper integration with Android security model and permissions system.Work with graphics stack components (SurfaceFlinger, WindowManager) for optimal rendering.Platform Optimization :
Optimize SystemUI for memory usage, power consumption, and rendering performance.Implement accessibility features and ensure compliance with accessibility standards.Debug complex UI rendering issues and interaction problems.Ensure compatibility across different device configurations and form factors.Technical Leadership :
Participate in UI / UX architectural decisions and system design reviews.Mentor developers on SystemUI internals and best practices.Contribute to UI / UX technical documentation and coding standards.Stay current with Android UI evolution and material design principles.Required Qualifications :
Minimum 2-4 years of SystemUI development experience with at least 1-4 shipped Android projects involving significant SystemUI customization or framework integration.Technical Skills :
Expert-level SystemUI experience including deep customization of status bar, quick settings, lock screen, notification system, and navigation components.Strong Android Framework knowledge particularly WindowManager, ActivityManager, and UI-related system services.Proficient in AIDL development for designing UI-related system APIs and service interfaces.Advanced Java / Kotlin expertise with strong understanding of Android UI frameworks and components.Experience with Android's graphics stack and rendering pipeline.Proficiency with Android build system (AOSP, Soong, Blueprint).Platform Knowledge :
Deep understanding of Android view system, custom views, and UI performance optimization.Experience with Android's theming system and resource management.Knowledge of Android accessibility frameworks and implementation.Familiarity with material design principles and Android UI guidelines.Understanding of touch input handling and gesture recognition systems.Development Experience
Hands-on AOSP (Android Open Source Project) development experience.Proficiency in Android app development with Jetpack Compose + Kotlin.Experience with UI testing frameworks and automated UI testing.Proficiency with debugging tools (systrace, perfetto, GPU profiling tools).Experience with version control systems (Git, Gerrit) and code review processes.Preferred Qualifications :
Minimum 4-6 years of SystemUI development experience with at least 4-6 shipped Android projects involving significant SystemUI customization or framework integration.
Advanced Experience :
Experience with Android's modular system architecture and dynamic UI loading.Knowledge of Android Runtime (ART) as it relates to UI performance.Familiarity with cross-platform UI frameworks and their Android integration.Experience with Android's animation frameworks and advanced UI transitions.Industry Background :
Experience shipping consumer Android devices with custom UI implementations.Understanding of OEM UI customization requirements and constraints.Knowledge of Android compatibility testing (CTS) related to UI components.Experience with carrier-specific UI requirements and certifications.Technical Environment :
Languages : Java, Kotlin, XML (for layouts and resources), Python (for tooling).Frameworks : Android Framework (UI focus), SystemUI, AIDL, View system, Material Components.Tools : Android Studio, AOSP build tools, UI Automator, Hierarchy Viewer, GPU profiling tools.Methodologies : Agile development, design review processes, automated UI testing, accessibility testing.(ref : hirist.tech)