Staff Java Server Software Engineer

Fiserv•Sunnyvale, CA

5d•Onsite

About The Position

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 Java Server Software Engineer About Your Role: At Fiserv’s Clover division, you'll be a key technical leader driving innovation for our cloud-native Point of Sale systems. As a Staff Java Server Software Engineer on the Point of Sale team, you will architect and build highly scalable backend services focused on critical features like order and online order management. Join us to help shape the future of commerce by delivering the technology that powers businesses around the world. What you’ll 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. Responsibilities listed are not intended to be all-inclusive and may be modified as necessary.

Requirements

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 using Java.
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.

Nice To Haves

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.
Experience in Python programming.
Interest in functional programming and modern language paradigms.
Exposure to POS systems and a curiosity about generative or agentic AI technologies.

Responsibilities

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.

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
Retirement planning and discounted shares with the Employee Stock Purchase Plan
Tuition assistance and reimbursement program
Paid parental, caregiver, and military leave