Staff Software Engineer, Server (Java)

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 Software Engineer, Server (Java)

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

Join a fast-growing, innovative product engineering team that's redefining how merchants manage and grow their businesses. As a Senior Backend Software Engineer on Clover's Core Services team, you'll help build the essential features that power our web dashboard-including authentication, notifications, and third-party integrations-used by hundreds of thousands of merchants every day. You'll play a key role in developing scalable, high-performance backend systems that enable seamless onboarding and global expansion for Clover merchants.

What you will do:

• Lead the design and development of scalable and reliable backend systems that power critical features in Clover's Web Dashboard, including authentication, notifications, and partner integrations.
• Build and ship high-impact features that support global merchant onboarding, helping businesses around the world run more efficiently.
• Collaborate closely with product managers, QA engineers, and fellow developers to translate business goals into functional, maintainable software solutions.
• Mentor junior engineers, share best practices, and elevate the technical bar for the entire team through thoughtful code reviews and technical guidance.
• Own incident response for key services, troubleshoot complex issues quickly, and implement long-term solutions to minimize future impact.
• Identify and resolve performance bottlenecks, ensuring our backend systems remain fast, secure, and cost-effective at scale.
• Proactively address technical debt, continuously improving the health, clarity, and maintainability of our codebase.
• Stay ahead of the curve by evaluating new tools, frameworks, and technologies to keep Clover's backend infrastructure competitive and future-ready.

What you will need to have:

• Bachelor's Degree (preferably Computer Science or Engineering) or equivalent combination of experience, education and military.
• 6+ years of professional experience developing server-side applications in Java (Java 8 or newer).
• Experience with MySQL and JDBC.
• Hands-on experience building RESTful web services and using tools like Postman and cURL.
• Proven experience with Spring Framework and Spring Boot, and architecting microservice-based systems.
• Experience with Java testing frameworks such as JUnit or TestNG.
• Demonstrated success in leading development teams and deploying complex systems to production. Possesses the ability to understand the broader organizational context and collaborate effectively with other teams to achieve wider benefits while consistently fulfilling individual responsibilities.
• Experience operating and supporting critical business applications.

What would be great to have:

• Bachelor's degree or advanced degree in Computer Science or related field.
• Experience with JPA, such as Hibernate.
• Experience with Spring Boot and/or similar Java-based frameworks.
• Experience with TLS and certificate management in Java (SSL).

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 applicants will receive consideration for employment without regard to race, color, religion, national origin, gender, gender identity, sexual orientation, age, disability, protected veteran status, or any other category protected by law.

If you have a disability and require a reasonable accommodation in completing a job application or otherwise participating in the overall hiring process, please contact Please note our AskHR representatives do not have visibility to your application status. Current associates who require a workplace accommodation should refer to Fiserv's Disability Accommodation Policy for additional information.

Note to agencies:

Fiserv does not accept resume submissions from agencies outside of existing agreements. Please do not send resumes to Fiserv associates. Fiserv is not responsible for any fees associated with unsolicited resume submissions.

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Please be aware of fraudulent job postings that are not affiliated with Fiserv. Fraudulent job postings may be used by cyber criminals to target your personally identifiable information and/or to steal money or financial information. Any communications from a Fiserv representative will come from a legitimate Fiserv email address.