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# Senior Java FullStack Developer

- **Company:** Accord Technologies Inc
- **Location:** O'Fallon, MO, United States
- **Experience:** Expert
- **Salary:** $114,400.0 - $124,800.0
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Artificial Intelligence, Amazon Web Services, Cloud Computing, Systems Integration, ReactJS, AgentCore, Backend, AWS ECS, Cloudformation, Fastapi, Containerization, AngularJS, Kubernetes, Amazon Bedrock, AWS Fargate, Front End Software Development, Terraform, Domain Driven Design, Serverless Computing, Golang, Microservices
- **Published:** October 17, 2026
- **Apply:** https://www.careerbuilder.com/job-details/senior-java-fullstack-developer-o-fallon-mo--151e3b34-3074-4fd2-8adc-a6e64aa83e7d

## About the Role

Build scalable, domain driven microservices using Golang and Python FastAPI, integrating backend APIs with mobile SDKs to establish a reliable orchestration layer.
Deploy and operate cloud-native services on AWS ECS, Fargate, and ARM64 on AWS Graviton, with hands-on infrastructure provisioning and automation using CloudFormation and Terraform.
Build and integrate AI-native capabilities using Amazon Bedrock and AgentCore Runtime, with end-to-end troubleshooting across mobile, backend, cloud infrastructure, and AI runtime layers.

## Description

Job Title:Senior Java Full Stack DeveloperLocation: O'Fallon, MO (only Local)Type: W2 Contract***Only qualified Senior Java Full Stack Developer located near O'Fallon MO to be considered due to the position requiring a hybrid presence. *** Required Education: Bachelor's Degree or equivalent experience required We're looking for engineers with experience in: Frontend: Angular and/or React Backend: Java and/or Golang Cloud & Platform: AWS, Kubernetes, and cloud-native technologies Project Details: Building a cloud-native payment orchestration platform that enables cardholders to seamlessly access Client digital services directly through their banking applications via a single, streamlined integration. Required Skills: Build scalable, domain driven microservices using Golang and Python FastAPI, integrating backend APIs with mobile SDKs to establish a reliable orchestration layer. Deploy and operate cloud-native services on AWS ECS, Fargate, and ARM64 on AWS Graviton, with hands-on infrastructure provisioning and automation using CloudFormation and Terraform. Build and integrate AI-native capabilities using Amazon Bedrock and AgentCore Runtime, with end-to-end troubleshooting across mobile, backend, cloud infrastructure, and AI runtime layers.
Job Title:Senior Java Full Stack Developer
Location: O'Fallon, MO (only Local)
Type: W2 Contract

***Only qualified Senior Java Full Stack Developer located near O'Fallon MO to be considered due to the position requiring a hybrid presence. *** Required Education: Bachelor's Degree or equivalent experience required We're looking for engineers with experience in: Frontend: Angular and/or React Backend: Java and/or Golang Cloud & Platform: AWS, Kubernetes, and cloud-native technologies Project Details: Building a cloud-native payment orchestration platform that enables cardholders to seamlessly access Client digital services directly through their banking applications via a single, streamlined integration. Required Skills: Build scalable, domain driven microservices using Golang and Python FastAPI, integrating backend APIs with mobile SDKs to establish a reliable orchestration layer. Deploy and operate cloud-native services on AWS ECS, Fargate, and ARM64 on AWS Graviton, with hands-on infrastructure provisioning and automation using CloudFormation and Terraform. Build and integrate AI-native capabilities using Amazon Bedrock and AgentCore Runtime, with end-to-end troubleshooting across mobile, backend, cloud infrastructure, and AI runtime layers.