Freelance Fintech Software Engineer Jobs in Florida

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Job Title

What does a successful AI Software Engineer do?

An AI Software Engineer at Finxact plays a pivotal role in our user experience organization, driving the development of innovative solutions and AI powered features on Finxact.io. In this role, you'll lead and collaborate with cross-functional teams to design, build, and deploy software that meets the evolving needs of our clients and partners. The ideal candidate brings a passion for technology, deep expertise in full stack development, and a strong desire to contribute in a fast-paced, collaborative environment.

What you will Do:

• Collaborate cross-functionally with product managers, designers, and developers to translate business requirements into technical specifications, prototypes, and production-ready features.

• Develop and maintain responsive user interfaces using TypeScript and React.

• Design and implement scalable back-end services and APIs using Go and modern cloud technologies.

• Write clean, efficient, and maintainable code; conduct code reviews and mentor peers.

• Troubleshoot and resolve issues from QA, partners, or clients by participating in an on-call rotation and managing technical problems through root cause analysis and solution implementation.

• Contribute actively to agile ceremonies and workflows to drive continuous improvement.

• Provide technical leadership and guidance to team members, including mentoring on financial services software best practices.

• Integrate AI-powered capabilities into web applications, leveraging tools and services to enhance user experience, automation, and decision-making

What you will need to have:

• 6-10 years of experience in a Technology, Fintech, or SaaS organization

• 5+years of development experience in Go, TypeScript, React, or equivalent languages.

• Experience writingAI agents, MCP servers, agentic workflows, orAI observability tooling

• Experience shipping AI features in a regulated environment, with the audit, explainability, and human-in-the-loop constraints that come with it

• Familiarity with agent identity and permissioning, including scoped credentials, least-privilege tool access, and preventing privilege escalation across chained tool calls

• Excellent written and verbal communication skills to collaborate with technical and non-technical stakeholders across the organization

What would be nice to have:

• Work experience in core banking or financial technology

• Experience with vector search, semantic models, hybrid retrieval, and embedding-based memory

• Working depth in agent orchestration and tool use, including function and tool calling, multi-step reasoning, state, and memory management

• Experience with Jira, Confluence, GitLab, and Lucidchart

  Ability to coordinate multiple tasks to completion with minimal supervision

• Bachelor's degree in Engineering, Computer Science, or Information Technology

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, F1 (OPT, CPT, STEM), H1B, H2, or TN, or any candidate requiring sponsorship, now or in the future, will not be considered.

This role is not eligible to be performed in Colorado, California, District of Columbia, Hawaii, Illinois, Massachusetts, Maryland, Minnesota, New Jersey, New York, Nevada, Rhode Island, Vermont, Virginia, Maine 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).

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 contactAskHR.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.