Note: The job is a remote job and is open to candidates in USA. Flock is a technology company focused on community safety, supporting criminal investigations and locating missing individuals. They are seeking an Android Framework Engineer to design and implement custom system services and hardware abstractions for their headless operating systems.
Responsibilities
- Architect and implement custom Android system services, AIDL interfaces, and hardware abstractions for headless AOSP builds
- Build testable system-level features using Kotlin, Java, Rust, and C++ to interface directly between the kernel and application layer
- Diagnose complex OS-level memory leaks, concurrency deadlocks, and performance bottlenecks using tools like Perfetto and Android Profiler
- Develop automated CTS and VTS test suites, unit tests, and system update pipelines to maintain fleet reliability over the air
- Conduct root-cause analysis on system tombstones, bug reports, and kernel logs across custom Qualcomm-based hardware platforms
Skills
- Practical experience designing versioned service interfaces using AIDL or HIDL to expose hardware functionality to system applications
- Proficiency in Kotlin and Java with strong knowledge of OS threading concepts, coroutines, synchronization, and memory management
- Experience building or debugging custom AOSP environments, shell scripts, init.rc configurations, and SE Linux security policies
- Capability to trace execution flow across different layers of the Android stack using tools like Perfetto, tracing utilities, and tombstone logs
- Experience with C or C++, Linux kernel drivers, or Qualcomm camera stacks is a plus
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