Jobs and Careers
FI

Senior Java Developer

Fiserv
Berkeley Heights, United Statesfull_timeVerifiedPosted 6 Mar 2025

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

What does a successful Senior Java Developer do at Fiserv?

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 will 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

What 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

What 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.

Important info about this role: 

  • We’re better together. This role is fully on-site.
  • This is a full-time, direct-hire position, and no contract options for unsolicited agency submissions will be considered.

#LI-NL1

This role is not eligible to be performed in Colorado, California, District of Columbia, Hawaii, Illinois, Maryland, New York, Nevada, Rhode Island or Washington.

It is unlawful to discriminate against a prospective employee due to the individual's status as a veteran.

Please note that salary ranges provided for this role on external job boards are salary estimates made by outside parties and may not be accurate.

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).

What you should know about us:

Fiserv is a global leader in payments and financial technology with more than 40,000 associates proudly serving clients in more than 100 countries. As one of Fortune® magazine's "World's Most Admired Companies™" 9 of the last 10 years, one of Fast Company’s Most Innovative Companies, and a top scorer on Bloomberg’s Gender-Equality Index, we are committed to innovation and excellence. 

Our commitment to Diversity and Inclusion:

Fiserv is an Equal Opportunity Employer, and we welcome and encourage diversity in our workforce that

Apply for this role

Generate a tailored application kit with a matched cover letter, interview prep, and CV highlights — in under 60 seconds.

Apply Now →Generate Application Kit

Free account required — sign up in 30s

Company

Fiserv

View company profile →