Staff Engineer (Payments)

About the role

Fiserv is a global leader in financial services technology, and our Clover team is at the heart of transforming how merchants around the world connect with customers and grow their businesses. As a Staff Backend Engineer for Payments, you will join a highly collaborative product engineering team responsible for creating and scaling cutting-edge back-of-house web applications, e-commerce APIs, and business-critical payment integrations.

Responsibilities

• Lead the design, end-to-end development, and cloud deployment of scalable software applications and microservices to support Clover’s payment processing ecosystem.
• Partner deeply with cross-functional product, design, and architecture teams to gather complex requirements and translate business goals into clean, maintainable technical specifications.
• Perform rigorous coding, testing, and proactive debugging of backend components to guarantee optimal latency, fault isolation, and transaction reliability.
• Maintain, refactor, and evolve existing core payment codebases while leading architectural design and peer code review processes to uphold elite engineering standards.
• Mentor engineers and emerging technical leaders, providing architectural guidance to enhance the collective capabilities and product-thinking of the development team.
• Participate in regular on-call and release management rotations to provide production support services and maintain high system availability.

Requirements

• Core Engineering Foundations: 8–10 years of professional hands-on software engineering experience delivering production-grade, enterprise systems within a product-driven environment.
• Java Mastery: Expert-level proficiency within the JVM ecosystem, utilizing Java and the Spring Boot framework to design, build, and scale distributed cloud-native microservices.
• Data Layer Architecture: Strong, practical experience modeling complex data using relational databases, specifically MySQL or Oracle.
• Orchestration & Scale: Hands-on experience developing, containerizing, and deploying production workloads within a Kubernetes (K8s) environment.
• Major Cloud Infrastructure: Demonstrated track record designing and managing distributed architectures on a major cloud provider ecosystem, such as AWS, Google Cloud (GCP), or Azure.
• Platform Mindset: Ability to generalize complex business processes and build simple, flexible, and extensible core domain services that cleanly support multiple consumer products.
• API Design: Deep expertise in designing, versioning, and maintaining secure, performant RESTful APIs for web and mobile clients.
• DevOps & Problem Solving: Strong proficiency with Git, automated testing frameworks, and managing CI/CD pipelines, combined with exceptional troubleshooting skills to resolve system bottlenecks independently.

Qualifications

• Payment Domain Expertise: Deep experience within the fintech, POS, or e-commerce industries, specifically managing Credit Card (CC) and ACH processing workflows.
• System Hardening & PCI Data: Robust understanding of secure payment processing, including handling sensitive PCI data, tokenization, compliance standards (PCI DSS), and core cryptography (encryption/decryption).
• Full-Stack Exposure: Hands-on experience or familiarity working across multiple parts of the application stack, specifically using JavaScript or modern front-end web user interfaces.

Benefits

• 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.
• Tuition assistance and reimbursement program.
• Paid parental, caregiver, and military leave.

Pay

Salary Range $160,000.00 - $240,000.00 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.

Schedule

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 being on-call during non-standard and/or overnight hours on a rotational basis. This role requires use of a computer and audio equipment.