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Senior Java Developer

Fiserv
Berkeley Heights, United Statesfull_timeVerifiedPosted 13 Nov 2025
💰 $186,000/yr($110,000/yr$186,000/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:

As a Senior Java Developer, you will be part of the engineering team that builds the Marketplace Boarding platform, designed to deliver innovations through simple and fast integrations. This platform features developer-friendly, flexible communication standards, unified APIs, and integrations with multiple systems within and outside Fiserv. You will deliver end-to-end solutions to automate and simplify Merchant Boarding to Fiserv systems.

What you'll do:

  • Collaborate with a highly energetic team of software developers across different countries to meet Fiserv's business goals
  • Analyze complex processes and technological heterogeneity in applications, and design software solutions in the real-time Merchant boarding process
  • Design and develop microservices for highly efficient protocol translation and enrichment with reactive design patterns
  • Develop high throughput and high-volume boarding APIs that can be consumed by various banks and payment gateways
  • Enhance API solutions to offer simple, easy-to-consume APIs for Merchant Boarding and Maintenance platform

Experience you'll need to have:

  • 6+ years of experience in Java, GIT, JIRA, Maven, Confluence, Spring framework: Core, Boot, MVC, AOP
  • 6+ years of experience implementing complex full-stack solutions including API and microservices in large enterprise organizations
  • 4+ years of experience with databases and code integrations such as Oracle, SQL Server, MySQL
  • 4+ years of experience with Amazon applications like ELB, SQS, SES, SWF, SNS, and Dynamo DB
  • 4+ years of experience creating unit tests using JUnit, Mockito
  • 3+ years of experience in Agile methodologies
  • Bachelor’s degree in computer science or a relevant field, or an equivalent combination of education, work, or military experience

Experience that would be great to have:

  • Experience in Play Framework, Apache Camel
  • Experience in the payments industry and implementing high-volume transactions processing applications
  • Experience using Quality and Security scan tools such as SonarQube, Fortify, and WebInspect
  • Experience in Integration Testing APIs with Postman, JMeter
  • Experience with OAUTH2.0, Jax-B, Jax-RS

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-IH1

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:

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Company

Fiserv

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