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Senior Java Developer


Job Description

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?

As a member of an Agile development team, you will develop and support world-class high-performance payments and transactional gateway platform.


With more than 6 million merchant locations across the world, over 1.4 billion global accounts on file, an average of 12,000 financial transactions every second, and nearly 10,000 financial institution clients, Fiserv moves money and information in a way that moves the world.


What you will do:

  • Create and maintain high-performance payment and transactional gateway platforms that redefine industry standards.

  • Work closely with teammates, Scrum Masters, QA experts, solution engineers, and product partners to ensure you're a valuable member of the Software Development Life Cycle (SDLC) process.

  • Deliver top-tier code that's well-structured, maintainable, and sets the benchmark for quality.

  • Conduct unit and integration testing, security scans, support QA, and meticulously review data encryption before deploying software into QA and upper environments.

  • Be ready to step up when needed, taking charge of Level 3 support functions with confidence.


What you will need to have:

  • A minimum of 7 years of experience developing high-performance transactional applications.

  • 7 years of hands-on experience with Java/J2EE and the Spring Framework.

  • 7+ years of experience implementing design patterns using object-oriented programming.

  • 5+ years of experience in RDBMS (Oracle) and 5+ years developing RESTful APIs.

  • 5+ years of experience developing Java persistence with JPA, Hibernate, and JDBC.

  • 3+ years of experience with Source Code Management tools (Git, Gerrit, GitHub, GitLab), Software Project Management (Ant, Maven), and microservice development.


What would be great to have:


  • Finance or debit/credit cards domain knowledge with in-depth knowledge of ISO 8583

  • Experience with automated unit testing tools such as Junit, Mockito, and Cucumber.

  • Proficiency in middleware technologies like Redis and Kafka.

  • Experience in developing and deploying web applications on servers like JBoss, Apache, and Tomcat.

  • Knowledge of Test-Driven Development (TDD), Behavior-Driven Development (BDD), and Agile methodologies.

  • Familiarity with NoSQL databases.

More about this role:

  • This is 100% Onsite position in our Berkeley Heights, NJ office.

  • To be considered, you must be legally authorized to work in the U.S. without need for visa sponsorship, now or in the future, as it will not be provided for this role.




This role is not eligible to be performed in Colorado, California, New York or Washington.


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 fintech leader with 40,000-plus (and growing) associates proudly serving clients in more than 100 countries. As a FORTUNE™ 500 company, one of Fast Company’s Most Innovative Companies, and a top scorer on Bloomberg’s Gender-Equality Index, we are committed to excellence and purposeful innovation.


Our commitment to Diversity and Inclusion:


Fiserv is an Equal Opportunity Employer, and we welcome and encourage diversity in our workforce that reflects our world. All qualified applicants will receive consideration for employment without regard to race, color, religion, sexual orientation, gender identity, national origin, disability, protected veteran status, or any other category protected by law.


We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation.


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 business email address. We will not hire through text message, social media, or email alone, and any interviews will be conducted in person or through a secure video call. We won’t ask you for sensitive information nor will we ask you to pay anything during the hiring process. We also won’t send you a check to cash on Fiserv’s behalf.


If you see suspicious activity or believe that you have been the victim of a job posting scam, you should report it to your local FBI field office or to the FBI’s Internet Crime Complaint Center.

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