Senior Software Engineer – Cloud-Native Fintech & AI

ICONMA; O’Fallon (MO); Hybrid; USD 120,000 - 160,000; Full time

Benefits offered by this job

Health Benefits

Referral Program

Excellent growth and advancementopport

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Job summary

ICONMA's client in O'Fallon, MO is seeking a Senior Software Engineer to help build a cloud-native payment orchestration platform. You will contribute across frontend, backend, and AI-native features, working with AWS, Kubernetes, and ARM64 deployment.

You will develop Golang and Python FastAPI microservices, integrate mobile SDKs, and deploy on ECS with Fargate. Expect rapid POCs, collaboration with Mastercard-acquired startup engineers, and hands-on access to AWS cloud and AI runtimes.

Qualifications

• Experience with frontend frameworks such as Angular or React.
• Backend experience in Java or Golang.
• Strong knowledge of AWS, Kubernetes, and cloud-native technologies.

Responsibilities

• Build a cloud-native payment orchestration platform enabling cardholders to access digital services via banking apps.
• Work on the Priceless Platform Engineering stack for World, World Elite, and World Legend products on AWS across regions.
• Develop microservices in Golang and Python FastAPI, and deploy on ECS using Fargate on ARM64.
• Integrate mobile SDKs with backend APIs and troubleshoot end-to-end integration issues across mobile, backend, and cloud layers.
• Leverage AI-native engineering with Amazon Bedrock and AgentCore where applicable.
• Prototype rapidly, build, deploy, and demonstrate end-to-end solutions to stakeholders.

Skills

Angular

React

Java

Golang

AWS

Kubernetes

Cloud-native tech

Tools

AWS ECS

Fargate

Terraform

CloudFormation

Job description

ICONMA's client in O'Fallon, MO is seeking a Senior Software Engineer to help build a cloud-native payment orchestration platform. You will contribute across frontend, backend, and AI-native features, working with AWS, Kubernetes, and ARM64 deployment.

You will develop Golang and Python FastAPI microservices, integrate mobile SDKs, and deploy on ECS with Fargate. Expect rapid POCs, collaboration with Mastercard-acquired startup engineers, and hands-on access to AWS cloud and AI runtimes.