Senior software engineer

Fiserv
Berkeley Heights, NJ

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 Backend Software Engineer

What does a successful Senior Backend Software Engineer do at Fiserv?

As a Senior Backend Software Engineer, you will have the opportunity to conceive, develop and bring to market robust technology solutions that will leverage the 300MM transactions per day that are supported within our Merchant Solutions tech organization. With a focus on cloud based micro service architecture, we analyze and process over 8,000 transactions per second at peak. Utilizing a horizontally scaling infrastructure, our solutions have the ability to auto scale even further to ensure timely responses for the merchant community regardless of future growth.

Fiserv is dedicated to develop in house world class analytic tools for its merchant client base to provide insight into customer behavior that drives key business decisions. Our data and analytics organization leads the efforts in empowering technology tools to grow our merchant partners’ business.

What you will do:

  • Design and maintain large-scale high frequency, low latency applications
  • Meet customer commitments in delivering high quality code on or ahead of schedule
  • Stay up to date with technology advancement and ensure our product technology stack is optimized for strategic growth
  • Be a team player with ability to collaborate idea sharing in strong product setting
  • Adhere to agile sprints, delivery framework, and SDLC best practices
  • Display strong verbal and written communication, with ability to interact with all levels of the organization
  • Interact with the product management team in understanding requirements and provide estimates, high level design and detailed design for product and customer enhancements

What you will need to have:

  • 6+ years of experience in Java development, RESTful APIs, Messaging Technologies (Kafka, MQ, JMS) and Maven
  • 6+ years of experience using framework toolsets such as Spring Boot and Micro Service Architecture
  • 3+ years of experience in SQL databases
  • 3+ years of experience in Cloud Based technologies such as AWS EC2, Snowflake or Azure
  • Bachelor’s degree in computer science, information systems, or a related field, or an equivalent combination of education, work, or military experience

What would be great to have:

  • Experience in CI/CD concepts and tools such as Maven, Jenkins, etc
  • Experience in automated testing, mock frameworks, virtual service and performance testing
  • Experience with agile methodologies

Important information about this role:

  • 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.
  • 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.
  • This is a full-time, direct-hire position, and no contract options for unsolicited agency submissions will be considered.
  • All offers of employment are contingent on standard background checks. Fiserv and certain of its affiliated companies are federal, state, and/or local government contractors. Should this position support a Federal Government contract, now or in the future, the successful candidate will be subject to a background check conducted by the U.S. Government to determine eligibility and suitability for federal contract employment for public trust or sensitive positions. Positions that support state and/or local contracts also may require additional background checks to determine eligibility and suitability.

Salary Range

$110,000.00 - $186,000.00

These pay ranges apply to employees in New Jersey and New York. 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 [email protected]. 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.

Warning about fake job posts:

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.

Posted 2026-01-31

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