Android AOSP Device Software Engineer

Fiserv•Sunnyvale, CA

5d•Onsite

About The Position

Clover, a Fiserv company, is a global point-of-sale platform provider serving small businesses with integrated hardware, software, and payment solutions. The DeviceOS engineering team owns core platform software for Clover’s physical smart devices and supports global mass-manufacturing software pipelines. Based in Sunnyvale, California, the Staff AOSP Engineer serves as a technical authority for custom Android OS architecture, system framework modifications, low-level platform security, and factory provisioning. The role delivers a secure, high-performing device experience across current and next-generation payment terminals and works with global manufacturing partners and test engineers. The position is on-site Monday through Friday; in-person collaboration is considered essential. The role requires use of a computer and audio equipment.

Requirements

At least 7 years of hands-on software development experience focused primarily on customizing, building, and deploying AOSP at the platform/OS layer.
Proven experience architecting, designing, and customizing Android devices and platforms, including frameworks/base, SystemServer, JNI, and AIDL/HIDL, rather than consumer applications.
Technical proficiency in at least two of Java, C++, C, or Kotlin.
Hands-on experience adapting Android frameworks, system services, and Hardware Abstraction Layers (HAL).
Proficiency with AOSP build tools and revision control workflows, including Git, Gerrit, repo, Android.bp, and Android.mk.
Deep understanding of platform security protocols, encryption/decryption, PKI certificate management, and Hardware Security Modules (HSM).

Nice To Haves

Hands-on experience with Android HAL development or Project Treble architecture.
Experience working directly with the Android Linux Kernel, device drivers, or ARM TrustZone/TEE environments.
Demonstrated experience mentoring engineers, driving architecture reviews, and providing technical leadership to cross-functional teams.

Responsibilities

Lead functional solution architecture, product requirements, and technical designs for custom AOSP builds across current and next-generation payment terminals.
Design, develop, and optimize Android system services, background daemons, and framework-layer components compatible across multiple Android OS versions.
Connect high-level application frameworks with low-level C/C++ native layers while working with Hardware Abstraction Layer (HAL) and kernel teams.
Work with global manufacturing partners and test engineers to build, maintain, and optimize factory flashing tools, diagnostic software, and board bring-up daemons to achieve 100% manufacturing yield.
Architect platform security workflows, including PKI certificate provisioning, SELinux/SEAndroid policies, and HSM or ARM TrustZone integrations.
Provide technical leadership, mentor engineers, and drive architecture reviews across cross-functional teams.

Benefits

Fuel Your Life program supporting physical, financial, social, and emotional well-being.
Paid holidays and generous time-away policies.
No-cost mental health support through Employee Assistance Programs.
Living Proof peer-recognition program with points redeemable for rewards.
Eight Employee Resource Groups.
Training, development, and internal mobility opportunities.
Medical, dental, vision, life, and disability insurance options available from day one.
Retirement planning and discounted shares through the Employee Stock Purchase Plan.
Tuition assistance and reimbursement program.
Paid parental, caregiver, and military leave.
Annual incentive opportunity for incentive-eligible associates, potentially delivered as a mix of cash bonus and equity awards at the company’s discretion.