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Technology stack we are looking for:

Developer dealing with Android from the device side (e.g. Android BSP, operating system, drivers) with competencies:

1. Android operating system and its architecture:

- Android Open Source Project (AOSP) – knowledge of the structure of the Android system, HAL layers, Framework, and applications

- AOSP building and modification process – ability to compile, customize, and port Android to new platforms

- Android file system structure (ext4, f2fs, yaffs2)

2. Low-level system layers (HAL, Kernel, drivers):

- Hardware Abstraction Layer (HAL) – creating and customizing hardware layers

- Linux Kernel (Android Kernel) – modifying and configuring the kernel for specific hardware

- Device Drivers – developing and debugging kernel modules

3. System programming:

- C, C++ – for creating and modifying drivers and the HAL layer

- Java/Kotlin – for integrating low-level functions with the application layer

- Bash, Python – for automation, startup scripts and testing

4. Debugging and optimization:

- logcat, dmesg, strace – for analyzing system logs

- gdb, lldb – for debugging native code

- Android profilers – for analyzing performance (systrace, Perfetto)

5. Hardware platform support:

- Bootloader (U-Boot, Fastboot, A/B Updates) – configuration and debugging of the boot process

- Power management (Power Management, wakelocks, suspend/resume)

- Hardware interfaces (I2C, SPI, UART, GPIO, USB, PCIe) – support and communication

6. Build and CI/CD systems:

- Soong, Make, CMake, Bazel – code build systems in AOSP

- Repo, Git – source code management

- Jenkins, GitLab CI/CD – build and test automation

7. Android security:

- SELinux (Security-Enhanced Linux) – security policies

Verified Boot – boot protection mechanisms

- Keystore, Trusted Execution Environment (TEE) – secure data storage

8. Working with SoC (System on Chip) platforms:

- Qualcomm, MediaTek, Rockchip, NXP, TI – knowledge of BSP for popular platforms

- Interfaces and hardware acceleration (GPU, DSP, ISP)

9. Integration with user applications:

- Android NDK – native application extensions

- IPC (Binder, HIDL, AIDL) – inter-process communication