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Senior Java Developer

Fiserv
Berkeley Heights, United Statesfull_timeVerifiedPosted 25 Sept 2025
💰 $216,000/yr($128,000/yr$216,000/yr)

About the role

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 Java Developer

About your role:

You will be part of a delivery team that builds the Commerce Hub platform. Built to deliver innovation through simple, fast integrations, the Commerce Hub is the most powerful omnichannel platform. A true single-entry point and intelligent orchestration layer provides access to the latest, most popular commerce experiences through merchants' existing infrastructure. With developer-friendly, flexible communication standards, unified APIs, and pre-certified integrations the Commerce Hub reduces development time and accelerates speed to market.

What you'll do:

  • Analyze complex processes and technologically heterogenic applications
  • Design software solutions in the real-time payments area
  • Develop microservices for highly efficient protocol translation and enrichment with reactive design patterns
  • Deliver end-to-end solutions for payment APIs
  • Develop high throughput and high-volume transaction APIs that can be consumed by omnichannel platforms
  • Enhance API solutions to offer simple, easy-to-consume APIs for payment customers
  • Participate in development of roadmap and strategies for documenting and presenting API specifications in an easy and consumable format
  • Develop roadmap and strategies to provide client libraries and SDKs for API products

Experience you will need to have:

  • 10+ years of software engineering experience with Java, Spring Boot, and WebFlux
  • 10+ years of experience in unit testing using JUnit and Mockito
  • 10+ years of experience with databases and code integrations such as Oracle and PostgreSQL
  • 10+ years of experience implementing complex full stack solutions including APIs and microservices
  • 5+ years of hands-on experience with Spring Cloud, Spring Data, Spring Transactional, and Spring Batch
  • 5+ years of hands-on experience in Spring integration with Redis and other data sources
  • Bachelor’s degree in computer science, or a relevant field, or an equivalent combination of education, work, and/or military experience

Experience that would be great to have:

  • Payments industry experience
  • Experience in AWS Cloud, or related cloud platforms, and API management
  • Experience in implementing high-volume transaction processing applications
  • Experience using quality and security scan tools such as Sonar, Fortify, and Web Inspect
  • Experience in integration testing APIs with Postman, JMeter, etc.

How you’ll work: 

  • Fiserv emphasizes in-person collaboration to help you grow your career while shaping the future of fintech; this role is on-site Monday through Friday

Sponsorship:

  • In order to be considered, you must be legally authorized to work in the U.S. without need for visa sponsorship now or in the future.

Benefits at Fiserv:  

  • 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 

#LI-NL1 

Salary Range

$128,000.00 - $216,000.00

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:

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Company

Fiserv

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