Software Development Engineer – Advisor II

Fiserv

Software Development Engineer designing, building, and enhancing software for Finxact Core as a Service platform. Collaborating with analysts and engineers to deliver high-quality software solutions.

Posted 7/22/2026full-timeJacksonville • Florida, New Jersey • 🇺🇸 United StatesMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in software application design and development within financial services, with a strong focus on API development, cloud-based SaaS technologies, and modern software engineering practices. Proven ability to translate business requirements into technical solutions while ensuring high software quality and reliability.

Highest-signal resume keywords

API DevelopmentRESTful ServicesSoftware as a Service (SaaS)Financial Services Software EngineeringArtificial Intelligence (AI)-Driven Development

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Software Application DesignApplication DevelopmentAPI IntegrationAutomated TestingTechnical Requirement AnalysisSolution DesignCode Quality ImprovementDefect ResolutionGit-Based Development WorkflowsJSON

Soft Skills

Technical GuidanceCollaborationAdaptabilityProblem SolvingCommunication

Tools & Technologies

SwaggerREST ServicesGitCloud Technologies

Industry Keywords

Core BankingLoan ServicingDeposit OperationsCard ProcessingCustomer Relationship Management (CRM)

Tech Stack

Tools & technologies

CloudJavaScript

About the role

Key responsibilities & impact

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.

Requirements

What you’ll need

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.

Benefits

Comp & perks

Health insurance
401(k) matching
Flexible working hours
Paid time off
Remote work options