Senior 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

What does a successful Sr. Software Java Engineer do at Clover?
Join our fast-moving North America Billing team as a Senior Software Java Engineer and play a critical role in delivering the next generation of billing features that power our US, Canadian, and global operations. As we transition to a new billing application, you’ll be front and center in shaping a modern, scalable platform—all while helping us keep the current system running smoothly for customers who depend on us every day. If you’re passionate about building impactful software with a collaborative and driven team, this is your moment.

What you will do:

• Build and enhance Clover’s core billing features using JVM languages, cloud-based platforms, and front-end technologies like JavaScript, TypeScript, React, and HTML.
• Solve real customer problems by fixing bugs, refactoring code, and continuously improving our systems.
• Partner closely with product and business teams to turn ideas into realistic, scalable solutions.
• Take ownership of new applications—from design to deployment—and monitor them in production.
• Collaborate across teams to ensure our systems stay fast, reliable, and ready to grow with new features.
• Develop and execute test strategies in partnership with SDETs to maintain the highest quality standards.
• Contribute to operational excellence by helping manage our live production environment.
• Bring fresh ideas and perspectives to team discussions and engineering decisions.

What you will need to have:

• Bachelor's Degree (preferably Computer Science or Engineering) or equivalent combination of experience, education and military.
• 10+ years of experience as a full stack Java developer; knowledge of Python or other scripting languages is a bonus.
• Deep experience working with relational databases and writing efficient, scalable queries.
• A strong understanding of RESTful API design and implementation.
• Experience developing microservices with Spring Boot.
• Familiarity with DevOps concepts and cloud-native deployment practices.
• Excellent problem-solving and debugging skills—you love getting to the root of an issue.
• Strong communication skills and a team-first attitude.
• Experience with version control and code collaboration tools like Git and GitHub.

What would be great to have:

• Experience with Google Pub/Sub or event-driven frameworks like Kafka.
• Familiarity with API testing tools such as Postman, Burp, or Curl.
• Hands-on experience with Google Cloud services or other cloud environments.
• Knowledge of batch processing, preferably with Airflow or Google Cloud Composer.
• Experience with monitoring and performance tuning using tools like Grafana or DataDog.

How you’ll work:

• Clover emphasizes in-person collaboration to help you grow your career while shaping the future of fintech, this role is on-site.

Visa Sponsorship:

You must currently possess valid and unrestricted U.S. work authorization to be considered for this role. Individuals with temporary visas including, but not limited to, F-1 (OPT, CPT, STEM), H-1B, H-2, or TN, or any candidate requiring sponsorship, now or in the future, will not be considered for this role.

How you'll work:

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

Salary Range

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.

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 View email address on aiapply.co. 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.