Staff Systems Engineer - Device Engineering - In-person Commerce

Fiserv•Sunnyvale, CA

1d•$160,000 - $240,000•Onsite

About The Position

Fiserv is seeking a Staff Systems Engineer for Clover’s Device Engineering team in In-person Commerce. The role is based at the Sunnyvale, California campus and focuses on engineering and globally certifying payment hardware. The engineer will serve as a Level 2 payment-kernel expert, leading the architecture, testing, and ongoing operation of secure payment-kernel infrastructure that interfaces with device components, Android platforms, and international test networks. The position integrates Android applications, inter-CPU communication frameworks, RTOS ecosystems, and payment kernels. It also supports advanced terminal capabilities, end-to-end ownership of payment kernels across international schemes, global certification, system reliability, and production support. The role is on-site Monday through Friday and includes participation in a team-wide production-support on-call rotation.

Requirements

At least 7 years of professional software delivery and systems engineering experience in Agile teams.
At least 3 years of hands-on experience building, configuring, or supporting EMV Level 2 and/or Level 3 payment kernels.
Proven experience focused on Android device or platform system architecture, design patterns, and internal frameworks.
Strong command of at least two of Java, C, C++, or Kotlin.
Experience building native Android applications using Kotlin, focused on UI performance optimization and dynamic screen adaptation.
Working knowledge of Git and Gerrit source-control and peer-review tools.
General understanding of payment security protocols, including PKI, HSM, card encryption/decryption, and certificate management.
Ability to work on-site Monday through Friday and participate in a regular production-support on-call rotation.
Ability to use a computer and audio equipment.

Nice To Haves

Low-level programming experience, including embedded systems development, MCU/ARM Cortex environments, RTOS, and advanced C scripting.
Payments-industry experience, particularly working with EMVco standards or PCI/PTS compliance.

Responsibilities

Design and implement systems integrating Android applications, inter-CPU communication frameworks, RTOS ecosystems, and Level 2 payment kernels.
Develop and scale hardware features including dynamic currency conversion, offline transactions, mobile wallets, and contactless payment networks such as Apple Pay and Google Pay.
Take end-to-end technical ownership of Level 2 and Level 3 payment kernels across international payment schemes.
Work with product management and global certification bodies to clarify specifications and guide devices through international test organization audits.
Investigate, debug, and resolve system integration issues, application bugs, and infrastructure bottlenecks across device types.
Maintain terminal uptime and performance by participating in a regular team-wide production-support on-call rotation.

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.
Professional growth through 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 eligible associates, potentially delivered as a mix of cash bonus and equity awards.