Sr. Front-End/Full Stack Developer

• Architect, design, and develop high-performance, modular web-based frontend applications using

, backed by supporting Java/Spring Boot microservices.

• Own the client-side architecture of the Clover Dashboard, establishing frontend best practices, state management standards, and component libraries.
• Partner with Product, UX, and core Backend Engineers to translate product requirements into intuitive, reliable web workflows and clean, extensible software.
• Design, consume, and optimize RESTful APIs and GraphQL/event-driven endpoints built for web clients, mobile dashboards, and 3rd-party app integrations.
• Promote effective use of AI‑powered engineering tools (e.g., AI coding assistants, automated test generation, code review, and UI performance profiling) to accelerate delivery and quality.
• Own client services and features from design through deployment, automated UI testing, and production monitoring.
• Participate in design and code reviews, advocating for modular code, responsive design, accessibility, and clean frontend architecture.
• Coach and mentor team members to improve their technical frontend capabilities, web performance optimization, and UI testing strategies.
• Participate in regular release management and cross-functional agile rituals across distributed teams.

•

• Bachelor's degree in Computer Science, Engineering, or equivalent practical experience.

•

to build, update, or integrate with existing backend microservices.

• Hands-on experience with modern CSS frameworks, component design systems, and responsive web design for complex dashboard interfaces.
• Experience using and championing AI-assisted development tools (e.g., GitHub Copilot, Cursor, automated test suites) to accelerate UI delivery.
• Practical knowledge of RESTful API design, HTTP/browser protocols, web security (OAuth2, CORS), and working with relational databases (MySQL, PostgreSQL).

• Experience with Micro-frontend architectures (e.g., Webpack Module Federation).
• Familiarity with secondary languages/tools: Python, Node.js, GraphQL, or Docker/Kubernetes containerized workflows.
• Previous background in Fintech, e-commerce, POS platforms, or merchant analytics tools.
• Experience re-architecting client-side monoliths into decoupled, high-availability web applications.

• 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.
• This role requires use of a computer and audio equipment.

• 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

$140,000.00 - $210,000.00

These pay ranges apply to employees in Sunnyvale, 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.

For 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:

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