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This position has closed. Fiserv removed this listing from their careers page on Oct 6, 2026. The interview prep below is still useful, and there are similar open roles at the bottom of this page.

Software Development Engineering - Advisor II

Fiserv · FL · Remote available · $109,000–$152,000 a year · Full time

Posted Sep 29, 2026 · We last checked this listing on Oct 4, 2026

Likely interview questions for this role

Written from this job description, not a generic list. Each one notes what the interviewer is really checking.

About your past

Tell me about a feature you designed and shipped on a SaaS platform. What was your part, and how did it perform in production?

What they are checking: Whether they own work end to end, including how it behaves for real users after release.

Tell me about a time you improved code quality on a team.

What they are checking: Whether they raise standards through reviews, tests and refactoring, which the role names.

Tell me about a technical disagreement with another engineer. How did you resolve it?

What they are checking: Whether they can settle disagreements with data and respect rather than rank.

What would you do

A business analyst brings you a requirement that's vague. How do you turn it into something you can build?

What they are checking: Whether they can work with analysts to clarify rules and edge cases before coding.

An implementation partner reports a defect affecting a bank client. How do you handle it?

What they are checking: Whether they act urgently and communicate clearly when a financial institution is affected.

About the work

What makes building a core banking platform like Finxact different from building a typical web app?

What they are checking: Whether they understand accuracy, auditability and consistency needs when money and ledgers are involved.

How would you design an API that posts transactions so that a retry never double-posts?

What they are checking: Whether they understand idempotency and consistency, which are essential in financial systems.

How do you approach testing for a feature that calculates interest or fees?

What they are checking: Whether they test edge cases, rounding and dates carefully, since small errors affect many accounts.

How do you design services to scale in the cloud while staying secure?

What they are checking: Whether they think about horizontal scaling, data protection and access control together.

What do you look for when reviewing a teammate's pull request?

What they are checking: Whether their reviews catch real problems and help others grow, as an advisor-level engineer should.

How do you keep a large, shared codebase maintainable over years?

What they are checking: Whether they value clear design and documentation on a long-lived platform.

Practice this interview out loud.

Offer builds a real interview for this exact role at Fiserv from your resume and this job description, asks the questions one at a time, and tells you what landed. The first one is free.

Practice this out loud

The full job description

As published by Fiserv.

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 Software Development Engineering - Advisor II About your role: As a Software Development Engineer, you will design, build, and enhance software for the Finxact Core as a Service platform that supports banking and financial institution services. You will work with business analysts, engineers, and implementation partners to deliver scalable application capabilities, improve software quality, and support cloud-based Software as a Service (SaaS) solutions. Your work helps drive reliable, secure, and effective financial services technology. What you'll do: • Design, develop, test, and enhance application features for the Finxact Core as a Service platform using modern software engineering practices. • Partner with business analysts, engineers, and system users to gather requirements, translate business needs into technical solutions, and support implementation outcomes. • Build and support application programming interfaces (APIs) and service integrations using Representational State Transfer (REST) services, Swagger, JavaScript Object Notation (JSON), and Git-based development workflows. • Improve software quality by increasing automated test coverage, resolving defects, and strengthening application reliability and maintainability. • Provide technical guidance to developers by reviewing designs, supporting solution discussions, and promoting financial services software engineering best practices. • Work with external partners to understand implementation approaches and apply knowledge of cloud-based Software as a Service (SaaS) technologies to solution delivery. • Execute against time-sensitive deliverables by managing multiple development activities, analyzing technical and business information, and adapting to changing priorities. • Responsibilities listed are not intended to be all-inclusive and may be modified as necessary. Experience you'll need to have: • 6+ years of experience in software application design and development within financial services, core banking, loan servicing, deposit operations, card processing, customer relationship management (CRM), or related enterprise platforms. • 6+ years of experience developing and integrating APIs and distributed services using RESTful services, Swagger or similar API documentation tools, JSON, and Git. • 6+ years of experience analyzing business and technical requirements and translating them into application design, development, and implementation outcomes. • Experience leading technical design discussions, reviewing solution approaches, and guiding other developers without direct people management responsibility. • Experience using artificial intelligence (AI)-driven development practices to improve engineering efficiency, code quality, or delivery outcomes. • Bachelor's degree or higher in Computer Science, Engineering, Information Technology, or related field or equivalent combination of education, related experience and/or military experience. Experience that would be great to have: • Experience developing software for cloud-based Software as a Service (SaaS) platforms. • Experience working with core banking platforms, including Finxact. • Experience with Golang or a similar object-oriented or service-oriented programming language. • Experience supporting partner implementations in regulated financial services environments. How you'll work: • This role is on-site Monday through Friday. Fiserv considers in-person collaboration to be an essential part of this role as in-person office experiences help you with your overall onboarding experience and leads to stronger productivity. • This role requires use of a computer and audio equipment. Sponsorship: You must currently possess valid and unrestricted U.S. work authorization to be considered for this role. Individuals with temporary visas including, but not limited to, F-1 (OPT, CPT, STEM), H-1B, H-2, or TN, or any candidate requiring sponsorship, now or in the future, will not be considered for this role. Salary Range: $109,000.00-$152,000.00 These pay ranges apply to employees in Maryland. Pay ranges for employees in other states may differ. Certain Positions are Commissions eligible. It is unlawful to discriminate against a prospective employee due to the individual's status as a veteran. 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). Our commitment to Equal Opportunity: Fiserv is proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, gender, gender identity, sexual orientation, age, disability, protected veteran status, or any other category protected by law. If you have a disability and require a reasonable accommodation in completing a job application or otherwise participating in the overall hiring process, please contact AskHR.US@fiserv.com . Please note our AskHR representatives do not have visibility to your application status. Current associates who require a workplace accommodation should refer to Fiserv’s Disability Accommodation Policy for additional information. Note to agencies: Fiserv does not accept resume submissions from agencies outside of existing agreements. Please do not send resumes to Fiserv associates. Fiserv is not responsible for any fees associated with unsolicited resume submissions. 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 Fiserv email address.