About the role
AI Phone - Senior Android System Engineer at Bjak in United Kingdom. Hybrid, full-time. Posted November 4, 2026.
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 Framework, system services and OS-level AI integration.
Responsibilities
Implement and modify Android system services.
Develop privileged system APIs for AI capabilities.
Build interfaces that allow AI agents to interact with Android system functionality.
Work on permissions, IPC, application lifecycle and background execution.
Integrate AI services with Android system components.
Optimize system performance and resource consumption.
Collaborate with agent engineers to implement reliable execution interfaces.
Requirements
Strong Android engineering experience.
Experience with Android Framework or AOSP development.
Strong Java / Kotlin knowledge.
Understanding of Binder IPC, Android processes and system services.
Experience with Android permissions and application lifecycle.
Strong debugging and performance optimization skills.
Nice to have
Custom ROM or AOSP contributions.
C++ experience.
Experience with Android System UI.
Experience with background services and power management.
Prefer to apply yourself? Apply on Bjak’s site
Quick answers
Where is this job based?
United Kingdom. The role is hybrid.
How do you apply?
Apply on Bjak’s site using the link on this page. With a free Jobmagic account you can see how well you fit first.
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