Android AOSP Device Software Engineer

• Lead functional solution architecture, product requirements, and technical designs for custom Android Open Source Project (AOSP) builds across current and next-generation payment terminals.
• Design, develop, and optimize Android system services, background daemons, and framework-layer components (frameworks/base/) compatible across multiple Android OS versions.
• Bridge high-level application frameworks with low-level C/C++ native layers, working alongside Hardware Abstraction Layer (HAL) and kernel teams.
• Partner directly 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.
• Responsibilities listed are not intended to be all-inclusive and may be modified as necessary.

• 7+ years of hands-on software development experience with a primary focus on customizing, building, and deploying AOSP at the platform/OS layer.
• Proven track record in the architecture, design, and customization of Android devices and platforms (frameworks/base, SystemServer, JNI, AIDL/HIDL) rather than consumer applications.
• Technical proficiency in at least two major languages used in the AOSP stack: Java, C++, C, or Kotlin.
• Hands-on experience adapting Android frameworks, system services, and Hardware Abstraction Layers (HAL).
• Proficient 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).

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

• This role is on-site Monday through Friday. Fiserv considers in-person collaboration to be an essential part of this role as in-person office experiences help you with your overall onboarding experience and leads to stronger productivity.
• This role requires use of a computer and audio equipment.

• Fuel Your Life program to support your 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 program to recognize your peers' extra effort with points redeemable for rewards
• Eight Employee Resource Groups to foster a collaborative culture and expand your network
• ·Unparalleled professional growth with training, development, and internal mobility opportunities
• Medical, dental, vision, life, and disability insurance options available from day one
• Retirement planning and discounted shares with the Employee Stock Purchase Plan
• Tuition assistance and reimbursement program
• Paid parental, caregiver, and military leave

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$160,000.00 - $240,000.00

These pay ranges apply to employees in Sunnyvale, California. Pay ranges for employees in other states may differ.

It is unlawful to discriminate against a prospective employee due to the individual's status as a veteran.

For incentive eligible associates, the successful candidate is eligible for an annual incentive opportunity which may be delivered as a mix of cash bonus and equity awards in the Company's sole discretion.

Thank you for considering employment with Fiserv. Please:

• Apply using your legal name
• Complete the step-by-step profile and attach your resume (either is acceptable, both are preferable).