Senior Software Development Engineer, Loan Servicing Platforms at Fiserv in Jacksonville, FL

  • Company: Fiserv
  • Location: Jacksonville, Florida
  • Salary: $109K – $182K
  • Job type: full time
  • Workplace: onsite
  • Posted: 2026-10-22

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Job description

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 Development Engineer, Loan Servicing Platforms About your role: As a Senior Software Development Engineer, Loan Servicing Platforms, you will design, build, and enhance software that supports loan servicing product capabilities within the Finxact Core as a Service platform. You will work with business analysts, engineers, and implementation partners to deliver scalable application features, strengthen software quality, and support cloud-based Software as a Service (SaaS) solutions for financial institutions. Your work helps drive reliable, secure, and effective loan servicing technology that supports client and business outcomes. What you'll do: Design, develop, test, and enhance software features that support loan servicing products and related financial services capabilities within the Finxact Core as a Service platform Build and maintain application components, APIs, and service integrations using Golang, C#, Java, C, REST services, Swagger, JSON, Git, and PostgreSQL in cloud-based environments Partner with business analysts, engineers, system users, and implementation partners to gather requirements, translate loan servicing business needs into technical solutions, and support implementation outcomes Improve software quality by increasing automated test coverage, resolving defects, and strengthening application reliability, maintainability, and performance Lead technical design discussions, review solution approaches, and provide technical guidance to developers while promoting software engineering best practices for loan servicing and financial services platforms Support integration and delivery activities by working with external partners, applying knowledge of cloud-based Software as a Service (SaaS) technologies, and helping teams execute against implementation goals Manage multiple development activities, analyze technical and business information, and adapt to changing priorities to deliver time-sensitive work 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, with direct experience supporting loan servicing products, loan operations platforms, core banking, deposit operations, card processing, customer relationship management (CRM), or related enterprise platforms 6+ years of experience developing software and distributed services using Golang, C#, Java, C, or similar object-oriented and service-oriented programming languages in production environments 6+ years of experience designing, building, and integrating application programming interfaces (APIs) and distributed services using Representational State Transfer (REST) services, Swagger or similar API documentation tools, JavaScript Object Notation (JSON), and Git-based development workflows 6+ years of experience working with relational databases, including PostgreSQL, for data modeling, query development, application integration, and performance tuning 6+ years of experience analyzing business and technical requirements and translating them into application design, development, testing, 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 engineeri

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