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Software Engineer Seniors (API Kong Developer)

FIS
Jacksonville, FL Full Time
POSTED ON 5/8/2026
AVAILABLE BEFORE 6/14/2026
Position Type

Full time

Type Of Hire

Experienced (relevant combo of work and education)

Job Description

FIS Management Services, LLC seeks Software Engineer Seniors (API Kong Developer) in Jacksonville, FL to design and implement scalable API solutions using KONG Gateway. Collaborate with cross-functional teams to gather and understand integration requirements. Develop custom plugins and middleware to extend KONG Gateway functionalities. Optimize API performance and security through monitoring, tuning, and troubleshooting. Implement API management best practices including versioning, documentation, and access control. Deploying, configuring, maintaining, and monitoring OpenShift clusters and Kong gateways, ensuring high availability, reliability, and optimal performance. Administering OpenShift clusters, proficiency in Kong architecture, installation, configuration, and tuning, knowledge of Kafka internals and ecosystem tools, Linux systems and shell scripting, DevOps background, and familiarity with cloud platforms and containerization. Work with JavaScript/TypeScript, Docker/Docker Compose, functional testing, API testing, and CI/CD tools including Jenkins/Travis and GitHub Actions. Integrate APIs with various backend systems and databases. Ensure high availability and reliability of APIs by implementing robust failover and redundancy strategies. Stay updated with the latest industry trends and advancements in API management and integration.

REQUIREMENTS~ Bachelor’s degree or foreign equivalent in Information Technology, Computer Science, or a related field and five (5) years of progressively responsible experience in the job offered or a related occupation~ designing and developing APIs using KONG Gateway; working with RESTful API design principles and best practices; utilizing programming languages including Python, Node.js, & Java; working with Docker containerization technologies and Kubernetes orchestration tools for building scalable gateway; implementing API security standards with OAuth, JWT, and SSL/TLS; and troubleshooting complex API issues and performance bottlenecks. In the alternative, the employer will accept a Master’s degree in the above listed fields and three (3) years of experience in the above listed skills. Telecommuting and/or working from home may be permissible pursuant to company policies.

QUALIFIED APPLICANTS~ Please apply directly through our website by clicking on “Apply Now.”

Privacy Statement

FIS is committed to protecting the privacy and security of all personal information that we process in order to provide services to our clients. For specific information on how FIS protects personal information online, please see the Online Privacy Notice.

EEOC Statement

FIS is an equal opportunity employer. We evaluate qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, marital status, genetic information, national origin, disability, veteran status, and other protected characteristics. The EEO is the Law poster is available here supplement document available here

For positions located in the US, the following conditions apply. If you are made a conditional offer of employment, you will be required to undergo a drug test. ADA Disclaimer~ In developing this job description care was taken to include all competencies needed to successfully perform in this position. However, for Americans with Disabilities Act (ADA) purposes, the essential functions of the job may or may not have been described for purposes of ADA reasonable accommodation. All reasonable accommodation requests will be reviewed and evaluated on a case-by-case basis.

Sourcing Model

Recruitment at FIS works primarily on a direct sourcing model; a relatively small portion of our hiring is through recruitment agencies. FIS does not accept resumes from recruitment agencies which are not on the preferred supplier list and is not responsible for any related fees for resumes submitted to job postings, our employees, or any other part of our company.

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Salary.com Estimation for Software Engineer Seniors (API Kong Developer) in Jacksonville, FL
$110,010 to $135,093
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