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Senior Backend Developer (Core Application)

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 Backend Developer (Core Application)

What does a successful Senior Backend Developer (Core Application) do at Fiserv? 

Finxact is an innovative enterprise-class 100 percent open API cloud-native innovation platform and transaction processing engine. It is agnostic to asset classes, currencies, and time zones, catering to banking, fintech, and embedded finance sectors. Finxact offers scalability with adaptiveness to change, harnessing the cloud's resiliency and elasticity to design and launch new products with agility and precision without technology upheaval. You will be working in an application design and development role on the Finxact Core as a Service platform. You will be creating new software and enhancing existing software to provide banking and financial institution services.

What you will do:

  • Work with business analysts, engineers, and other system users to understand and implement their application requirements
  • Work with partners to understand their implementations and gain a breadth of knowledge in cloud-based SaaS implementations and technologies
  • Provide quality software, improve test coverage and the overall quality of the systems
  • Mentor other employees in software development best practices and engineering disciplines.

What you will need to have:

  • 5+ years of direct financial industry experience in software application development for information technology, loan servicing, deposit operations or card processing
  • 5+ years of experience working in Core Banking processes and Software development, and CRM systems
  • 5+ years of experience with RESTful services, Swagger, Json data interchange, and GIT
  • 5+ years of technical analysis, design, and development experience
  • Bachelor’s degree in computer science, engineering, or a related field, or an equivalent combination of education, work, or military experience

What would be great to have:

  • Golang programming experience
  • Ability to execute on time-sensitive project deliverables
  • Experience analyzing and interpreting data, as well as discussing business and technical topics
  • Ability to coordinate multiple tasks to completion with minimal supervision and under strict deadline

Important info about this role:

  • We’re better together. This role is fully on-site.
  • In order to be considered, you must be legally authorized to work in the U.S. without need for sponsorship now or in the future.
  • This is a full-time, direct-hire position, and no contract options for unsolicited agency submissions will be considered.

#LI-IH1

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 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.

Average salary estimate

$105000 / YEARLY (est.)
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$90000K
$120000K

If an employer mentions a salary or salary range on their job, we display it as an "Employer Estimate". If a job has no salary data, Rise displays an estimate if available.

What You Should Know About Senior Backend Developer (Core Application), Fiserv

Join Fiserv as a Senior Backend Developer (Core Application) and be part of a team that is reshaping the Fintech space! At Fiserv, we pride ourselves on being a global leader in payments and financial technology. Our work impacts millions of transactions each day, empowering individuals and institutions to move money and information with confidence. As a Senior Backend Developer, you will dive into the innovative Finxact platform, a 100% open API cloud-native engine that supports a variety of financial services. Your role will encompass the design and development of core applications, where you'll collaborate with business analysts, engineers, and partners to fully understand their needs. You’ll leverage your extensive experience in software development to create new functionalities and enhance existing systems, ensuring high-quality outputs and robust test coverage. Mentorship plays a crucial role in our culture, so you’ll also guide fellow developers in best practices and engineering disciplines. If you're looking for a chance to work with cutting-edge technology in a dynamic environment, Fiserv's supportive team and commitment to innovation are just what you need to make a significant impact.

Frequently Asked Questions (FAQs) for Senior Backend Developer (Core Application) Role at Fiserv
What are the primary responsibilities of a Senior Backend Developer at Fiserv?

At Fiserv, a Senior Backend Developer (Core Application) is responsible for designing and developing applications on the Finxact Core platform. This role includes understanding business requirements, implementing software solutions, and mentoring junior developers. You’ll ensure that the services delivered are of high quality and contribute to the overall efficiency of financial services.

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What qualifications are needed for the Senior Backend Developer position at Fiserv?

To qualify for the Senior Backend Developer (Core Application) role at Fiserv, candidates should have over 5 years of experience in software development within the financial industry. Proficiency in RESTful services, Swagger, JSON, and GIT is essential, along with a bachelor’s degree in a relevant field. Added knowledge in Golang and familiarity with cloud computing and SaaS solutions are a bonus.

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How does Fiserv support continuous learning and development for Senior Backend Developers?

Fiserv fosters an environment of continuous learning for Senior Backend Developers (Core Application) through mentorship programs, access to cutting-edge technologies, and opportunities for professional development. As part of your role, you will also mentor other developers and share best practices, encouraging a culture of growth and collaboration within the team.

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What is the work environment like for a Senior Backend Developer at Fiserv?

The work environment for a Senior Backend Developer at Fiserv is collaborative and innovative. The role is fully on-site, allowing you to work closely with a diverse team of talented professionals. Fiserv is committed to providing a supportive atmosphere that encourages creativity and excellence.

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Is prior experience in the financial industry crucial for the Senior Backend Developer role at Fiserv?

Yes, having direct experience in the financial industry is a crucial requirement for the Senior Backend Developer (Core Application) position at Fiserv. This ensures that candidates understand the complexities of banking processes, payment systems, and regulatory considerations, which are essential when developing solutions for our clients.

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Common Interview Questions for Senior Backend Developer (Core Application)
Can you explain your experience with RESTful services?

When answering this question, highlight specific projects where you successfully implemented RESTful services. Explain the technologies used, the architecture of the services, and any challenges faced during implementation. Emphasize how your experience aligns with Fiserv’s focus on creating scalable solutions.

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What approaches do you use for improving software quality?

Discuss techniques such as implementing automated testing, code reviews, and continuous integration. Provide examples where you improved software quality in past roles, making sure to relate these to the responsibilities of the Senior Backend Developer position at Fiserv.

Join Rise to see the full answer
Describe your experience with cloud-based technologies.

Share your hands-on experience with cloud platforms and how you've utilized them in previous projects. Talk about specific tools or frameworks you’ve used, emphasizing their relevance to Fiserv and the Finxact platform.

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How do you manage deadlines when working on multiple projects?

Explain your prioritization strategies, your ability to communicate with stakeholders, and your time management skills. Emphasize how you've successfully delivered projects on time in the past, ensuring to tie this back to the on-site nature of the role at Fiserv.

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What interests you about working for Fiserv?

Express your admiration for Fiserv’s innovation in the Fintech space and your eagerness to contribute to their impactful services. Mention how the company's commitment to diversity and inclusion resonates with your values.

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How do you stay current with technology trends?

Discuss the resources you use to keep your skills updated, such as attending webinars, conferences, online courses, or following industry leaders. Relate this to your readiness to apply the latest technologies at Fiserv.

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Can you provide an example of mentoring a junior developer?

Share a specific scenario where you guided a less experienced developer. Describe the mentoring process, the challenges involved, and the positive outcomes, reinforcing your commitment to fostering a collaborative environment at Fiserv.

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How do you approach problem-solving in software development?

Outline your systematic approach to identifying and resolving issues. Include examples that showcase your analytical skills and experience within the financial sector, which are valuable for a Senior Backend Developer at Fiserv.

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What is your experience with version control systems like GIT?

Detail your use of GIT in previous projects, whether managing branches, handling pull requests, or collaboration strategies. Relate this experience to the collaborative development environment at Fiserv.

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Have you worked with Agile methodologies, and how do you adapt to changes?

Describe your experience with Agile practices and how you leverage its principles when needed. Share how you embrace changes in project scope or requirements, emphasizing your adaptability, which is critical for success at Fiserv.

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DATE POSTED
April 2, 2025

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