> Markdown version of [/jobs/ext/4592633-ai-phone-senior-android-system-engineer](https://www.wearedevelopers.com/jobs/ext/4592633-ai-phone-senior-android-system-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # AI Phone - Senior Android System Engineer - **Company:** Bjak - **Location:** London, UK - **Experience:** Expert - **Salary:** £64,347.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Artificial Intelligence, Android Software Development, Application Integration Architecture, Application Lifecycle Management, C++ (Programming Language), Performance Tuning, Agentic-AI, Kotlin, AI Platforms - **Published:** November 6, 2026 - **Apply:** https://www.adzuna.co.uk/jobs/details/5954024771 ## About the Role * 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. * Custom ROM or AOSP contributions. * C++ experience. * Experience with Android System UI. * Experience with background services and power management. ## Description 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. * 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.