Android Application Framework Developer - Device Engineering

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Android Application Framework Developer - Device Engineering About Your Role Kickstart your engineering career at the intersection of Android software and physical hardware! Clover is a global leader in point-of-sale (POS) platforms, powering millions of small businesses worldwide with smart terminals and integrated payment solutions. We are looking for an Android Application Framework Developer - Device Engineering to join our Device Engineering team in Sunnyvale, CA. In this role, you won't just be building standard mobile screens—you will bridge the gap between high-level Android services and physical hardware peripherals (thermal printers, barcode scanners, cash drawers, scales, and payment modules). If you are a recent graduate or early-career engineer eager to dive deep into the Android OS, manage USB/network hardware protocols, and see your code drive physical smart terminal hardware used by millions of merchants daily, this is the team for you.

About There's a reason why Fiserv

• Calling all innovators - find your future at Fiserv.
• We're Fiserv, a global leader in Fintech and payments, and we move money and information in a way that moves the world.
• Any time you swipe your credit card, pay through a mobile app, or withdraw money from the bank, we're involved.

Responsibilities

• You Will Do Hardware-Connected Android Services: Develop Android application framework services and background daemons in Kotlin and Java that interface directly with external hardware and microcontrollers.
• Integrate third-party vendor SDKs and write communication pipelines for POS peripherals, including receipt printers, barcode scanners, cash drawers, and weight scales.
• Utilize Android USB Host (OTG) APIs to manage hardware attach/detach lifecycle events, configure dynamic USB permissions, and implement socket programming for network IP printers.
• Use command-line tools (adb, Logcat, packet/serial sniffers) to isolate, reproduce, and debug hardware integration bugs and OS regressions across our terminal fleet.
• Collaborate with senior engineers to explore Android Open Source Project (AOSP) internals, framework extensions, and custom device services.
• Leverage modern AI-assisted engineering tools (such as GitHub Copilot, Claude Code, and coding agents) to accelerate development, refactor framework code, and optimize debugging workflows.

Requirements

• Bachelor’s or Master’s degree in Computer Engineering, Electrical & Computer Engineering (ECE), Computer Science, or a related discipline (Graduating seniors or recent grads welcome).
• Demonstrated classroom, capstone, research lab, or personal project experience building software that talks to physical devices or external hardware (e.g., IoT devices, Arduino/Raspberry Pi, robotics, microcontrollers, USB accessories, or sensor integration).
• Strong foundational coding skills in Java or Kotlin , with working knowledge or academic exposure to C or C++ .
• Practical understanding of native Android development fundamentals (Activities, Services, BroadcastReceivers, Intents, and background threading).
• Academic or practical familiarity with low-level communication concepts such as TCP/UDP socket programming, USB device communication (Host/OTG), or serial/UART protocols .
• Rock-solid grasp of core computer science fundamentals: Object-Oriented Design, Data Structures, Operating Systems (threading, processes, memory management), and Git version control.
• This role requires use of a computer and audio equipment.
• You must currently possess valid and unrestricted U.S. work authorization to be considered for this role.
• Individuals with temporary visas including, but not limited to, F-1 (OPT, CPT, STEM), H-1B, H-2, or TN, or any candidate requiring sponsorship, now or in the future, will not be considered for this role.

Preferred

• High curiosity, passion for device hardware, and excitement to learn POS platform architecture and payment security standards.
• Experience that would be great to have: Familiarity with the Android USB Host API (android.hardware.usb) or managing hardware permissions and USB intent filters.
• Coursework or project exposure to the Android Open Source Project (AOSP) or building custom Android ROMs/firmware.
• Hands-on experience integrating third-party vendor hardware SDKs or libraries.
• Exposure to low-level microcontroller communication (SPI, I2C, UART) or embedded Linux environments.

Pay

Pay ranges for employees in other states may differ.

Benefits

• 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 #LI-SH2 Salary Range $124,000.00 - $186,000.00 These pay ranges apply to employees in Sunnyvale, California.
• This position is not eligible for an annual incentive opportunity and is also not eligible to earn commissions.
• Thank you for considering employment with Fiserv.

How you’ll work

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.

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

Please

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

Our commitment to Equal Opportunity

Fiserv is proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, gender, gender identity, sexual orientation, age, disability, protected veteran status, or any other category protected by law. If you have a disability and require a reasonable accommodation in completing a job application or otherwise participating in the overall hiring process, please contact AskHR.US@fiserv.com . Please note our AskHR representatives do not have visibility to your application status. Current associates who require a workplace accommodation should refer to Fiserv’s Disability Accommodation Policy for additional information.

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