Requisition ID R-10359344 Date posted 05/07/2025 End Date 05/10/2025 City Sunnyvale State/Region California Country United States Location Type Onsite

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

Senior Web Engineer

What does a successful Senior Web Engineer do at Fiserv?

At Clover, you will be part of an entrepreneurial team working in a fast-paced and rapidly growing environment, supported by Fiserv, a global leader in FinTech and payments. We deliver the leading Point of Sale system with an elegant end-to-end solution incorporating beautiful devices, cloud-based POS software, payments processing, and platform APIs for third-party developers. The Clover platform powers a broad spectrum of merchants, from tiny shops to large stadiums, supporting millions of transactions daily. If you have a passion for security technology and want to help us enhance merchant experiences, this role is for you.

What you will do:

• Design and maintain cloud-hosted web-based applications using HTML/XHTML, CSS, JavaScript, React, and other programming tools.
• Build merchant-facing web applications and features from development through deployment, and production monitoring.
• Work in a cross-functional team with Product Managers, Designers, QA, and Operations to translate product and design requirements into functional, maintainable software.
• Identify technical requirements in product meetings and assist with realistic project planning and feature development.
• Develop automated tests for web features, perform dev testing, and ensure a consistent user experience across all supported web browsers.
• Review peer code, provide mentorship, and conduct research to develop advanced features using the latest technological stack.
• Implement best practices related to web security, collaborate with Security engineers on application scans, fix issues, and educate team members.
• Follow Agile SDLC, participate in planning and sprint boards, and take part in regular on-call and bug triage rotation.

What you will need to have:

• Bachelor’s degree in Computer Science or a relevant field, and/or equivalent military experience.
• 6+ years of web development experience using JavaScript (Typescript/React).
• 5+ years of experience with modern web UI technologies (HTML5, CSS3).
• 5+ years of experience with frontend frameworks such as React, Ember, Angular.
• Practical experience with Software Development Lifecycles such as Scrum.

What would be great to have:

• Frontend JavaScript experience and understanding of web services, payments/point-of-sale/reporting platforms, and high-volume transactional systems.
• Experience with the Cypress framework for automation testing.
• Experience writing JS tests using tools such as MochaJS and Selenium.
• Experience with package management systems such as Yarn, NPM, Bower.
• Previous experience with CSS precompilers such as Sass or Less.

Important info about this role:

• We’re better together. This role is fully on-site.

Salary Range

$108,900.00 - $186,800.00

These pay ranges apply to employees in New York and 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.

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).

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.

Note to agencies:

Fiserv does not accept resume submissions from agencies outside of existing agreements. Please do not send resumes to Fiserv associates. Fiserv is not responsible for any fees associated with unsolicited resume submissions.

Warning about fake job posts:

Please 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. Any communications from a Fiserv representative will come from a legitimate Fiserv email address.

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