> Markdown version of [/jobs/ext/3609417-senior-implementation-engineer](https://www.wearedevelopers.com/jobs/ext/3609417-senior-implementation-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Implementation Engineer - **Company:** Fiserv, Inc. - **Location:** Jacksonville, FL, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Computer Programming, Financial Software, Object-Oriented Software Development, Software Engineering, Information Technology, Golang - **Published:** October 7, 2026 - **Apply:** https://www.jacksonvillejobforce.com/job.asp?id=3423480760&tx=ZT212THZ&pt=1&aff=0B19D771-A501-4A5E-8338-2A822B784D54&utm_source=Job%20Feed&utm_medium=textkernel&utm_campaign=DE&utm_term=0B19D771-A501-4A5E-8338-2A822B784D54 ## About the Role * 6+ years professional experience in API and software development * 2+ years of experience programming functional, imperative or object-oriented languages * Bachelor's degree in computer science, engineering, or a related field, or an equivalent combination of education, work, and military experience What would be great to have: * Financial industry experience and knowledge of Golang programming * Stellar communication, collaboration, problem-solving and accountability skills ## Description You will develop, manage, and showcase innovative solutions to complex business problems that leverage the Finxact Core APIs and technical features. With a focus on ensuring customer success, the Implementation Engineer's primary role is to provide technical consulting to clients and serve as a subject matter expert on the Finxact Core APIs and integration points. In addition, the Implementation Engineer role encompasses all components of client implementations, training, overall product feedback and client support. When clients present vendors that are not already integrated to the Finxact core, you will provide consultative guidance on how the vendor can be integrated into the ecosystem. Most importantly though, you will consult the client on best practices regarding integration models, workflows and you will support the client's users through onboarding to help them get the most out of the solution you helped design. The ideal candidate will have a background in financial software working with clients directly and with internal project team members. What you will do: * Obtain and maintain an in-depth understanding of Finxact's technology and its underlying architecture * Work with clients to solve complex business problems, trouble shooting, and using the Finxact Core and its surrounds * Communicate complex technical concepts to a variety of audiences * Interface directly with ecosystem partners, clients, and internal teams to promote the adoption of our product * Support the technical design process by participating in the analysis of technical application and client ecosystem requirements * Assist in analysis that will identify requirements related to people, processes, and technology. * Develop and code core functionality and interfaces for our solution * Participate in execution and documentation of tests * Assist in the deployment process for client implementations, * 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 lead to stronger productivity. * In order to be considered, you must be legally authorized to work in the U.S. without need for sponsorship, now or in the future. * This is a full-time, direct-hire position, and no contract options for unsolicited agency submissions will be considered. * All offers of employment are contingent on standard background checks. Fiserv and certain of its affiliated companies are federal, state, and/or local government contractors. Should this position support a Federal Government contract, now or in the future, the successful candidate will be subject to a background check conducted by the U.S. Government to determine eligibility and suitability for federal contract employment for public trust or sensitive positions. Positions that support state and/or local contracts also may require additional background checks to determine eligibility and suitability. 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.