Staff Systems Engineer

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. We connect financial institutions, corporations, merchants and consumers to one another millions of times a day - quickly, reliably, and securely. Any time you swipe your credit card, pay through a mobile app, or withdraw money from the bank, we're involved. If you want to make an impact on a global scale, come make a difference at Fiserv.

Job Title

Staff Systems Engineer - Device Engineering - In-person Commerce

About your role:

Clover is a global leader in point-of-sale (POS) and financial technology, dedicated to building the smart terminal ecosystems that move money securely for millions of merchants daily. We are looking for a Senior Systems Engineer to serve as our resident Level 2 payment kernel expert at our Sunnyvale, CA campus, driving the engineering and global certification of our hardware products. In this role, you will lead the architecture, testing, and continuous operation of the secure payment kernel infrastructure that interfaces directly with lower-level device components, Android OS platforms, and international test networks.

What you’ll do:

• System Integration & Architecture: Design and implement robust solutions that bridge Android applications, inter-CPU communication frameworks, RTOS ecosystems, and core L2 payment kernels.
• Feature Innovation: Develop and scale advanced features for our hardware fleet, including dynamic currency conversion, offline transaction capabilities, mobile wallets, and contactless payment networks (Apple Pay, Google Pay).
• Kernel & Scheme Ownership: Take end-to-end technical ownership of Level 2 and Level 3 payment kernels across various international payment schemes.
• Global Compliance & Testing: Partner closely with product management and global certification bodies to clarify specifications and guide devices through strict international test organization audits.
• Triage & System Reliability: Investigate, debug, and resolve complex system integration issues, application bugs, and infrastructure bottlenecks across a diverse fleet of device types.
• Production Support: Maintain terminal uptime and performance standards by participating in a regular, team-wide production support on-call rotation.
• Responsibilities listed are not intended to be all-inclusive and may be modified as necessary.

Experience you’ll need to have:

• Core Experience: 7+ years of professional software delivery and systems engineering experience operating within Agile teams.