Payments API Platform Engineer – Real-Time & Secure

FIS; Jacksonville (FL); Hybrid; USD 120,000 - 180,000; Full time

Job summary

FIS Management Services, LLC seeks Software Engineer Specialists-Payments API Platform in Jacksonville, FL to design, develop, and govern a companywide API and event platform with canonical models and versioning. You will drive architecture for 24/7 operations, ensure security, and implement modern tech stacks.

The role focuses on RESTful and event-driven APIs using Java/Spring Boot, .NET Core, Node.js, and Python Flask, with emphasis on CI/CD, observability, and high throughput.

Qualifications

• Bachelor's degree or foreign equivalent in Computer Science, Computer Engineering, or related field and ten (10) years of progressively responsible experience.
• Evaluating systems specifications for complex business requirements and developing and preparing computer based solutions; analyzing problems in terms of detailed equipment requirements and capabilities.
• Implementing industry standard security in API design including OAuth 2.0, JWT, TLS encryption, RBAC, and secrets management.
• In the alternative, the employer will accept a Master's degree in the above listed fields and eight (8) years of experience in the above listed skills.

Responsibilities

• Design, develop, and govern a companywide API and event platform with canonical models and versioning.
• Lead architecture and operation of low-latency, highly available services with documented objectives.
• Establish and enforce security architecture for digital transactions and tokenization including cryptographic modules.
• Define SLIs/SLOs, implement error-budget governance, and ensure compliance through tests and runbooks.
• Collaborate with product, engineering, compliance, and operations to translate requirements into measurable outcomes.

Skills

RESTful APIs

Java/Spring Boot

OAuth 2.0/JWT

Security in API design

CI/CD

Observability

Event-driven architecture

Python Flask

Education

Bachelor's degree in CS/EE or related field

Master's degree in CS/EE or related field

Job description

FIS Management Services, LLC seeks Software Engineer Specialists-Payments API Platform in Jacksonville, FL to design, develop, and govern a companywide API and event platform with canonical models and versioning. You will drive architecture for 24/7 operations, ensure security, and implement modern tech stacks.

The role focuses on RESTful and event-driven APIs using Java/Spring Boot, .NET Core, Node.js, and Python Flask, with emphasis on CI/CD, observability, and high throughput.