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Finxact - Senior Software Developer

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Our software engineers at Fiserv bring an open and creative mindset to a global team developing mobile applications, user interfaces and much more to deliver industry-leading financial services technologies to our clients. Our talented technology team members solve challenging problems quickly and with quality. We're seeking individuals who can create frameworks, leverage developer tools, and mentor and guide other members of the team. Collaboration is key and whether you are an expert in a legacy software system or are fluent in a variety of coding languages you're sure to find an opportunity as a software engineer that will challenge you to perform exceptionally and deliver excellence for our clients.

  • Full-time
  • Entry, Mid, Senior
  • Yes (occasional), Minimal (if any)
  • Glassdoor: 64%


Requisition ID R-10306935 Date posted 07/12/2023 City Jacksonville State/Region Florida Country United States

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

Finxact - Senior Software Developer

Finxact, a Fiserv Company, brings innovation at the core of banking and provides a next generation core platform. Our mission is to redefine core processing and our commitment is to be the best at what we do.

What does a successful Senior Software Developer – Core Application do?

The Senior Software Developer will be working in an application design and development role on the Core-as-a-Service platform. The Senior Developer will be designing new software and core banking features to support banking and financial institution services. 

What you will do:

  • Design and develop strategic core financial features generating RESTful API using Golang
  • Collaborate with stakeholders and project teams to translate financial core features and requirements into workable designs for your associated development team
  • Review, qualify, and update software development practices such as unit testing approaches
  • Leverage exceptional communication skills to collaborate with on-site and remote colleagues
  • Provide thought leadership on application architecture and design by mentoring and assisting junior developers
  • Prepare technical documentation as needed to convey your designs to technical and non-technical resources
  • Provide and accept technical and functional guidance throughout projects
  • Lead design reviews of your proposed solutions with internal and external stakeholders

What you will need to have:

  • Bachelor’s degree in computer science or equivalent discipline required.  Comparable work experience will be considered
  • 5+ years of proven software development experience with high-level programming languages (e.g. Go, Python, C++, C#, Java, Javascript, Ruby)
  • 2+ years leading development or cross-functional teams to achieve project goals and meeting release schedules
  • 2+ years of experience with Agile software development methodologies including Scrum and Kanban
  • Familiarity with core banking processes, architecture, and software
  • Understanding of software development lifecycle and CI/CD pipelines
  • Experience working in financial technology, financial services, or associated financial industries
  • Good understanding of enterprise integration and SOLID design patterns
  • Ability to prioritize backlog items relative to project needs and execute on time-sensitive project deliverables
  • Strong critical thinking and research strategies to augment existing codebases
  • Experience with version control systems such as GIT and associated code repositories
  • Understanding of SaaS and PaaS delivery model architectures and value propositions
  • Openness to feedback from code reviews and design direction from senior developers

What would be nice to have:

  • Familiarity with Golang is a plus
  • Experience with associated development and documentation applications such as Jira, Confluence, GitLab, Visio, and Lucid Charts
  • Experience translating monolith applications into RESTful microservices

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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  • Medical, Vision and Dental Benefits

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  • Providing the time off to manage personal needs

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