{"id":3876819,"url":"https://alion.io/job/fiserv-staff-systems-engineer-device-engineering-in-person-commerce","title":"Staff Systems Engineer - Device Engineering - In-person Commerce","company":{"id":2459,"name":"Fiserv","domain":"fiserv.com","url":"https://alion.io/company/fiserv","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"A","score":85,"open_postings":72,"ghost_share":0.083,"stale_share":0.264,"repost_share":0.194,"time_to_fill_p50_days":22,"computed_at":"2026-11-11T05:49:22Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"staff","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Sunnyvale, United States","Alpharetta, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":160000,"max":240000,"currency":"USD","period":"year","gross":null,"usd_annual":240000},"salary_estimate":null,"experience_years_min":7,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"Agile","optional":false},{"name":"C++","optional":false},{"name":"Gerrit","optional":false},{"name":"Git","optional":false},{"name":"Java","optional":false},{"name":"Kotlin","optional":false},{"name":"PassKit","optional":false},{"name":"PKI","optional":false},{"name":"RTOS","optional":false}],"status":"live","first_seen_at":"2026-11-06T16:38:44Z","employer_posted_date":"2026-11-06","last_verified_at":"2026-11-11T18:07:48Z","board_verified":true,"closed_at":null,"days_open":5,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":5},"description":"Calling all innovators - find your future at Fiserv.\nWe'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.\nJob Title\nStaff Systems Engineer - Device Engineering - In-person CommerceAbout your role:\nClover 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.\nWhat you’ll do:\nSystem Integration & Architecture: Design and implement robust solutions that bridge Android applications, inter-CPU communication frameworks, RTOS ecosystems, and core L2 payment kernels.\nFeature 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).\nKernel & Scheme Ownership: Take end-to-end technical ownership of Level 2 and Level 3 payment kernels across various international payment schemes.\nGlobal Compliance & Testing: Partner closely with product management and global certification bodies to clarify specifications and guide devices through strict international test organization audits.\nTriage & System Reliability: Investigate, debug, and resolve complex system integration issues, application bugs, and infrastructure bottlenecks across a diverse fleet of device types.\nProduction Support: Maintain terminal uptime and performance standards by participating in a regular, team-wide production support on-call rotation.\nResponsibilities listed are not intended to be all-inclusive and may be modified as necessary.\nExperience you’ll need to have:\nCore Experience: 7+ years of professional software delivery and systems engineering experience operating within Agile teams.\nPayment Kernel Mastery: 3+ years of dedicated, hands-on experience building, configuring, or supporting EMV L2 and/or L3 payment kernels.\nAndroid Platform Architecture: Proven track record with a heavy focus on the system architecture, design patterns, and internal frameworks of Android devices or platforms.\nLanguage Proficiency: Strong command of at least two core AOSP programming languages (Java, C, C++, or Kotlin).\nMobile Development: Experience building native Android applications using Kotlin, with a focus on UI performance optimization and dynamic screen adaptation.\nTooling & Cryptography: Solid working knowledge of source control and peer review tools (Git, Gerrit), alongside a general understanding of payment security protocols (PKI, HSM, card encryption/decryption, and certificate management).\nExperience that would be great to have:\nDeep low-level programming experience, including embedded systems development, MCU/ARM Cortex environments, RTOS, and advanced C scripting.\nPrior tenure in the payments industry, specifically working directly with EMVco standards or navigating PCI/PTS compliance landscapes.\nHow you’ll work:\nThis 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.\nThis role requires use of a computer and audio equipment.\nBenefits at Fiserv:\nFuel Your Life program to support your physical, financial, social, and emotional well-being\nPaid holidays and generous time away policies\nNo-cost mental health support through Employee Assistance Programs\nLiving Proof program to recognize your peers’ extra effort with points redeemable for rewards\nEight Employee Resource Groups to foster a collaborative culture and expand your network\n·Unparalleled professional growth with training, development, and internal mobility opportunities\nMedical, dental, vision, life, and disability insurance options available from day one\nRetirement planning and discounted shares with the Employee Stock Purchase Plan\nTuition assistance and reimbursement program\nPaid parental, caregiver, and military leave\nSalary Range\n$160,000.00 - $240,000.00These pay ranges apply to employees in Sunnyvale, California. Pay ranges for employees in other states may differ.\nIt is unlawful to discriminate against a prospective employee due to the individual's status as a veteran.\nFor 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:\nApply using your legal name\nComplete the step-by-step profile and attach your resume (either is acceptable, both are preferable).\nOur commitment to Equal Opportunity:\nFiserv 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.\nIf you have a disability and require a reasonable accommodation in completing a job application or otherwise participating in the overall hiring process, please contact . 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.\nNote to agencies:\nFiserv does not accept resume submissions from agencies outside of existing agreements. Pleasedo not send resumes to Fiserv associates. Fiserv is not responsible for any fees associated with unsolicited resume submissions.\nWarning about fake job posts:\nPlease be aware of fraudulent job postings that are not affiliated with Fiserv. Fraudulent job postings may be used by cyber criminals to target your personally identifiable information and/or to steal money or financial information. 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