Staff Server Software 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 Server Software Engineer

What does a successful Staff Server Software Engineer do at Fiserv? 

At Fiserv’s Clover division, you’ll be a key technical leader driving the innovation behind our modern, cloud-native Point of Sale systems. As a Staff Server Software Engineer, you’ll work with a passionate and talented team to architect and build scalable backend services that power businesses around the world. Join us and help shape the future of fintech by building the technology that keeps commerce moving.

What You Will Do:

• Drive the development of Clover’s cutting-edge Point of Sale platform and backend systems.
• Design and build scalable, reliable distributed systems that support millions of transactions daily.
• Take ownership of technical architecture, system design, and implementation for major features.
• Lead by example—coach and mentor engineers, and help build a strong, collaborative team culture.
• Champion engineering excellence through DevOps best practices, CI/CD, and clean code principles.
• Jump in to triage issues and prioritize work to keep systems running smoothly and customers happy.
• Shape the future of Clover by contributing to long-term planning and our evolving technical roadmap.
• Take part in an on-call rotation to support our systems and ensure high availability.

What You Will Need To Have

• Bachelor’s degree in Computer Science or a related field.
• 10+ years of hands-on experience in professional software development.
• 5+ years leading technical teams and delivering complex systems to production.
• Solid understanding of algorithms, data structures, and software design principles.
• Expertise in modern software architecture, object-oriented design, and cloud-native systems.
• Proficiency in a JVM language such as Java, Kotlin, or Scala.
• Experience with Spring Boot, TDD, and both SQL and NoSQL databases.
• Skilled in designing and implementing RESTful APIs and microservices.
• Ability to write clean, testable, high-performance code that scales.
• Familiarity with agile, iterative development and lean product delivery.
• Strong communication skills—you explain ideas clearly and collaborate effectively.

What Would Be Great To Have

• Master’s degree in Computer Science or a related discipline.
• Certifications from major cloud providers (AWS, GCP, Azure).
• Experience with BDD (Behavior-Driven Development) practices.
• Interest in functional programming and modern language paradigms.
• Exposure to POS systems and a curiosity about generative or agentic AI technologies.

Important info about this role:   

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

Salary Range

$124,300.00 - $213,100.00

These pay ranges apply to employees in New Jersey, 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.

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).

Our commitment to Equal Opportunity:

Fiserv is proud to be an Equal Opportunity Employer. All qualified appl