Principal Engineer-Android HAL

Job description :

About the Role :

• As an Android HAL Engineer you will be responsible for designing & developing s/w for Android Audio products on multi-core platforms
• You will be involved in adding new HAL/HIDL/AIDL and middleware components for various Harman Audio products.
• Software development involves working with complex, multi-threaded, multi-processor or multi-core architectures and audio frameworks to integrate Audio DSP algorithms and control structures

Required Skillset:

• Bachelors degree in Computer Engineering, Electrical Engineering or equivalent.
• Minimum 8-12 years of software development experience
• Must have development experience in Kernel, C/C++ programming with good skills in Data Structure, STL & familiarity with Java
• Must have experience in Android HAL AOSP architecture, Android Build System,
• Should have working knowledge in Android (Drivers, HAL, HIDL, AIDL, IPC, Binders, Libraries, Framework, etc)
• Good Knowledge on OS Internals (Linux)
• Aware of the Android Concepts Sepolicy, config and board config files
• Aware of DSP concepts and audio signal processing
• Knowledge of audio concepts (PCM data, Bitrate, multi-channel audio, etc.)
• Experience in Android Audio architecture with the framework, native services, and HW abstraction layers.
• Familiarity with Android Audio and/or Media System.
• Experience in JNI
• Must have hands on experience in Android migrations
• Experience in usage of Android tools like Systrace, dumpsys etc. for debugging Audio problems
• Experience in Android Build Make file ( BP files, Go files )

Responsibilities:

• Developing, modifying, and porting of Android Audio HAL components.
• Understanding ALSA architecture to design/customize interfaces for Android Audio products.
• Design architecture of Audio HAL and implement it to plugin custom Audio features/solutions
• Design and implement audio routing algorithms
• Estimate processing resources including ROM and RAM and total system performance
• Participate in design, development, verification, troubleshooting, and delivery of high-quality products.
• Analyze existing embedded software to add features, make modifications, fix bugs, and/or port to different platforms.
• Study and understand customer and internal specifications, architecture, and design documents for the system.
• Develop component design document based on specifications and given SW architecture.
• Understand the impact of design change on system functionality and performance.
• Lead and participate in technical discussions across engineering and product teams.
• Resolve inconsistencies in case of unclear technical requirements in the specification by direct communication with the responsible internal/external stakeholder.
• Responsible for dependency identification for assigned features.
• Assesses feature reusability between existing and new projects during project execution.
• Develop unit tests for all new code.