Senior Back-End 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

Senior Back-End Engineer

About your role:

Join a small but growing team responsible for creating and maintaining a cutting-edge suite of back-of-house web applications, Point-of-Sale APIs, and Android client applications. As a Back-End Engineer, you will utilize your Java Server Engineering expertise to elevate the quality of the entire team's output and help define the long-term architecture for our application suite. This role is perfect for a flexible, results-oriented engineer who is comfortable engaging in product discussions and prioritizing quality.

 

What you’ll do:

• Lead the design, development, and launch of backend software that powers Clover’s Point Of Sale software
• Collaborate closely with product, design, and engineering teams to turn business needs into scalable, reliable technical solutions.
• Write clean, efficient Java code—and test, debug, and optimize it to ensure top-tier performance.
• Improve and maintain existing codebases while leading thoughtful peer reviews that help everyone grow.
• Work across cloud platforms like AWS, Azure, or GCP to build and manage resilient services.
• Build and refine CI/CD pipelines, helping us release faster and with confidence.
• Guide junior developers by sharing your knowledge, offering feedback, and supporting their growth.
• Bring your expertise in Agile practices to help the team deliver high-impact features on a consistent cadence.

Experience you’ll need to have:

• Bachelor's Degree (preferably Computer Science or Engineering) or equivalent combination of experience, education and military.
• Mentor junior engineers
• 6-10 years of experience in software development.
• 6+ years of experience in Java Programming, Spring Boot, and microservices.
• Experience in SQL databases and NoSQL.

Experience that would be great to have:

• Experience in the financial services industry.
• Experience with CI/CD pipelines and DevOps practices.
• Experience in AWS, Azure, or GCP services.

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.
• This role requires use of a computer and audio equipment.

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.

Benefits at Fiserv:

• Fuel Your Life program to support 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 used for rewards
• Eight Employee Resource Groups to foster a collaborative culture
• Unparalleled professional growth with training, development, and internal mobility opportunities
• Retirement planning and discounted shares with the Employee Stock Purchase Plan
• Medical, dental, vision, life, and disability insurance options available day one
• Tuition assistance and reimbursement program
• Paid parental, caregiver, and military leave

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Salary Range

$140,000.00 - $210,000.00

These pay ranges apply to employees in Sunnyvale, California. Pay ranges for employees in other sta