# AI Phone - Head of Android / AOSP at Bjak

AI Phone - Head of Android / AOSP at Bjak in Seoul, Korea. Hybrid, full-time. Posted November 4, 2026.

- Company: Bjak
- Location: Seoul, Korea
- Workplace: Hybrid
- Job type: Full-time
- Posted: 2026-11-04
- Apply: https://jobs.ashbyhq.com/bjakcareer/4f66df96-b1d3-477b-ae7e-01dcc6c7d3ab/application
- Source: https://jobmagic.ai/jobs/ai-phone-head-of-android-aosp-bjak-h4zx3t

## Requirements

- Strong experience with Android Open Source Project (AOSP).
- Deep understanding of Android Framework, System Services and Android internals.
- Experience with Binder IPC, Android permissions, SELinux and system processes.
- Strong Java / Kotlin and C++ knowledge.
- Experience building or modifying Android ROMs.
- Experience shipping Android platform-level features, not just Android applications.
- Strong system architecture and technical leadership experience.

## Description

### **About**

We are reimagining the phone. AI phones need to be proactive, intuitive, intelligent and low cost. This is a mission critical for rest of the world to adopt intelligence.
There are over 5 billion people using everyday applications such as email, messaging, notes, tasks, and calendars, yet most are not AI-native. Our mission is to build proactive applications and devices that bring intelligence into daily conversations, coordination and workflows, with minimal prompting.
 **Focus:** Android OS, custom ROM, system architecture and hardware integration.
 

### **Responsibilities**

- Own the overall Android platform architecture and AOSP-based ROM development.

- Define how AI capabilities should be integrated at the OS level.

- Design system services and privileged APIs that allow AI agents to interact with the OS and applications.

- Define system-level permission and security architecture.

- Evaluate Android platform limitations and identify what needs to be modified or extended.

- Work with hardware vendors / ODMs on device integration.

- Lead Android platform engineering and establish technical standards.

- Evaluate technical feasibility and trade-offs for the first phone.

 

### **Requirements**

- Strong experience with Android Open Source Project (AOSP).

- Deep understanding of Android Framework, System Services and Android internals.

- Experience with Binder IPC, Android permissions, SELinux and system processes.

- Strong Java / Kotlin and C++ knowledge.

- Experience building or modifying Android ROMs.

- Experience shipping Android platform-level features, not just Android applications.

- Strong system architecture and technical leadership experience.

 

### **Nice to have**

- Experience from Google Android / Pixel, Samsung, Xiaomi, OPPO or similar Android platform teams.

- Experience with custom ROM development.

- Experience with Android BSP, HAL and device bring-up.

- Experience with background execution and power optimization.

- Experience integrating AI or ML capabilities at the OS level.