Java 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.

Staff Java Server Software Engineer

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.

• 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 Dev Ops 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.

• 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 No
  
  SQL 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.

• 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.

• 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 lead 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.

• 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…