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Senior Software Developer

Fiserv
Berkeley Heights, United Statesfull_timeVerifiedPosted 22 Jul 2025
💰 $186,800/yr($108,900/yr$186,800/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 Software Developer

About your role:
At Fiserv, we are dedicated to transforming financial services technology to benefit our clients. As a Software Developer on the Scrum Development and DevOps Team for the Fiserv Financial Institution Group, you will play a critical role in designing, developing, and maintaining high-quality software applications. Using advanced software development concepts for core banking applications like responsive UX, open banking, and microservice APIs, you will work closely with cross-functional teams to deliver solutions that align with our business goals and client needs.

What you'll do:

  • Analyze complex processes and technological heterogenic applications
  • Design and develop software solutions and generate design documents
  • Design and develop responsive UX
  • Deliver end-to-end solutions for Banking API
  • Develop high throughput and high-volume transaction APIs that can be consumed by omni channel platforms
  • Enhance API solutions for easy consumption by Fintech companies
  • Participate in the development of roadmap and strategies for documenting and presenting API specifications

Experience you'll need to have:

  • 8+ years of development experience in Microsoft stack including C#, ASP.NET MVC and JavaScript in Agile methodology
  • 4+ years of experience building API using any of these technologies such as WCF, Web API. Understanding of RESTful API
  • Experience with implementing complex full stack solutions including digital and mobile systems, API, and microservices in large Enterprise organizations
  • Experience with automated testing, performance testing, unit testing (NUnit) and integration testing APIs (Postman, JMeter etc.)
  • Experience with Databases and code integrations such as SQL Server, MySQL
  • Bachelor's Degree in a related technical discipline, or the equivalent combination of education, technical certifications, or training or work experience

Experience that would be great to have:

  • Experience in modern JavaScript frameworks like ReactJS and/or Angular
  • Familiarity with security concepts (authentication, authorization, encryption, digital signature), SSL, web service proxies, firewalls, multi-protocol gateways.
  • Experience with private and/or public cloud infrastructures
  • Experience in implementing high volume transactions processing applications.
  • CSS Preprocessor experience, understanding of CSS Modules and CSS-in-JS approaches
  • Understanding fundamental differences between MVC vs. Flux (uni-directional) front-end architecture
  • Experience in the financial services, banking industry

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.

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

$108,900.00 - $186,800.00

These pay ranges apply to employees in New Jersey, New York and California. 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

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Company

Fiserv

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