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FIS

Senior API Engineer

FIS

Software Engineer developing innovative fintech products for FIS. Designing software applications and collaborating with various teams to meet client requirements.

Posted 5/19/2026full-timeAtlanta • Florida • 🇺🇸 United StatesSeniorWebsite

Tech Stack

Tools & technologies
AWSCloudNode.js

About the role

Key responsibilities & impact
  • Designing, programming, debugging and modifying software enhancements to Digital API platforms and associated services.
  • Interacting with product managers, other development teams, and users to define requirements and modifications.
  • Participating in software design meetings to determine technical requirements, ensure alignment with existing and emerging standards.
  • Working with internal Client Training, Client Support, Client Relationship and Sales teams.

Requirements

What you’ll need
  • Experience with end-to-end systems development life cycles and standards, focusing on High Performance Cloud Ecosystems, API Delivery, and systems interactions.
  • Knowledge of financial industry practices, regulations and operations.
  • Fluency in sequence diagrams, class models, etc.
  • Proficiency in solutions design and requirements definition disciplines.
  • A bachelor’s in computer engineering, computer science or other related discipline or equivalent experience.
  • Bonus if you have:
  • Experience with AWS Cloud Services, focusing Lambda Functions and supporting functions.
  • Experience with NodeJS Development, API Development, and Microservice design.
  • Experience with API Gateways and their operational needs(i.e. Rate-Limiting Practices, Caching Patterns, Issue Triage and Investigations, API Security Practices).
  • Supporting Services and Triage for incidents and issues.
  • Automation of processes and actions.

Benefits

Comp & perks
  • A voice in the future of fintech.
  • Always-on learning and development.
  • Collaborative work environment.
  • Opportunities to give back.

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools
API DevelopmentNodeJS DevelopmentMicroservice designAWS Cloud ServicesLambda Functionssolutions designrequirements definitionsequence diagramsclass modelsHigh Performance Cloud Ecosystems
Soft Skills
interpersonal skillscommunication skillscollaborationproblem-solving
Certifications
Bachelor’s in computer engineeringBachelor’s in computer science