Senior Android System Engineer

Newfire Global Partners

. Build, sign, and maintain custom AOSP images .

Posted 11/10/2026full-timeRemote • CroatiaSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in building and modifying custom Android builds, integrating system-level capabilities, and collaborating with hardware partners. Proven ability to drive technical research and communicate effectively with stakeholders.

Highest-signal resume keywords

Custom Android Builds (AOSP)OTA/Firmware Update ExperiencePrivileged/System-App ExperienceDevice OEM InterfaceTechnical Research and Recommendations

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Building Custom AOSP ImagesPatching Mainline ModulesSystem-Level Capabilities ImplementationKotlin On-Device Agent MaintenanceSELinux/Sepolicy ExperienceDevice Policy Manager APIsRemote Factory ResetSystem Log CaptureInput InjectionScreen Capture

Soft Skills

Clear Verbal CommunicationClear Written Communication

Tools & Technologies

Update EngineMDM IntegrationOTA WorkflowsRockchip/RK-Class SoCsC/C++KernelU-BootREST ArchitectureOOP Principles

Certifications & Qualifications

Legal Work Authorization

Industry Keywords

EHR IntegrationsHIPAA Compliance

Tech Stack

Tools & technologies

AndroidKotlinC++

About the role

Key responsibilities & impact

Build, sign, and maintain custom AOSP images
Write patches to mainline modules such as NetworkStack and apply them to the OEM's RK-class tree
Implement privileged system-level capabilities, including OTA application via update_engine, remote reset, system log capture, input injection, screen capture, and device identity using mTLS/hardware attestation
Evaluate technical tradeoffs and prototype solutions to inform roadmap decisions
Collaborate with hardware partners on device-level capabilities, privileged app permissions, and custom OS integrations
Verify behavior on real devices
Maintain the Kotlin on-device agent and integrate it with the MDM and OTA/remote-management backend
Participate in sprint ceremonies and peer code reviews
Work with product management and client engineering leads across parallel technical tracks
Participate in hiring processes as an interview panelist

Requirements

What you’ll need

Hands-on experience building and modifying custom Android builds (AOSP), including Soong/Make, platform/AVB/OTA key signing, custom system images, and applying patches to a vendor BSP tree
Experience with Rockchip/RK-class SoCs is a plus
Deep privileged/system-app experience, including platform-signed apps, @SystemApi/hidden-API usage, SELinux/sepolicy, Device Owner, and Device Policy Manager APIs
OTA/firmware update experience with update_engine, A/B or Virtual A/B, AVB, OTA packaging and signing, and rollback behavior
Experience with system-level Android capabilities including remote factory reset, system-level log capture, input injection, screen capture, adbd, and OS-level networking
Proven ability to interface directly with device OEMs/manufacturers and debug SDKs, system permissions, and hardware-software integration constraints
Track record of driving technical research spikes and presenting recommendations to stakeholders
Experience integrating with a third-party MDM and/or building enrollment, remote-management, and OTA workflows for managed hardware fleets
Clear verbal and written communication skills
Familiarity with clinical environments, EHR integrations, or HIPAA compliance is nice to have
C/C++/native, kernel, or U-Boot familiarity is nice to have
Strong understanding of REST architecture and OOP principles/design is nice to have
Legal work authorization in the country of residence, documented in accordance with applicable law