Integration Consultant - 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

About your role: At Fiserv , we are dedicated to the services that keep the wheels turning in the world of finance. Our API and Integration Practice plays a vital role in ensuring our clients receive top-tier solutions that align with their unique needs. We advise, design, develop, and deliver enterprise-grade integration solutions for our financial services clients—particularly banks and credit unions.

As a Senior Integration Analyst, you will document requirements and participate in solution design for complex system integrations. This role is focused on enabling seamless data and process flow between enterprise applications using middleware platforms and REST‑based APIs. The ideal candidate will act as a bridge between business stakeholders and technical integration teams, translating business needs into clear, actionable requirements that support scalable, reliable, and secure system integrations.

What you'll do:

• Serve as the primary liaison between business teams, integration developers, architects, QA, and external vendors.
• Facilitate workshops, design sessions, and backlog grooming related to integration initiatives.
• Communicate complex technical integration concepts in clear business terms and vice versa.
• Partner with business stakeholders to understand end‑to‑end business processes and integration needs across multiple systems.
• Elicit, analyze, and document functional and non‑functional requirements for system integrations, APIs, and middleware solutions.
• Define integration use cases, data flows, message formats, validation rules, and exception handling.
• Ensure requirements align with enterprise integration standards, architectural principles, and security guidelines.
• Collaborate with integration architects and developers on solutions using middleware platforms (e.g., iPaaS, ESB, message brokers).
• Define REST API requirements including endpoints, payloads, error handling, authentication, and performance expectations.
• Support API lifecycle activities such as versioning, backwards compatibility, and deprecation strategies.
• Participate in API and integration design reviews to ensure business requirements are fully met.
• Support agile or hybrid delivery teams by maintaining user stories, acceptance criteria, and integration test scenarios.
• Assist with i