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Senior Software Engineer
External job listingat Thesancloud
Senior Software Engineer in O’Fallon, MO. Up to $75/hr. Contract. Hybrid. Apply through LinkedIn or send your resume by email.
External source - not verified9 days agoOpen until: Jan 15, 2027
Salary
Not provided
Location
O'Fallon, United States
Employment type
Full time
Workplace
Not provided
Senior Software Engineer
O'Fallon, United States
Job description
About the role
Payments / Financial Technology
Tasks
- Design and develop scalable cloud-native microservices.
- Build and deploy applications on AWS ECS and Fargate.
- Integrate mobile SDKs with backend services.
- Troubleshoot complex end-to-end integration issues.
- Develop rapid POCs and AI-enabled solutions.
- Independently manage development, deployment, and technical demonstrations.
Requirements
- Backend: Java, Golang, Python / FastAPI
- Frontend: Angular and/or React
- Cloud: AWS, ECS, Fargate, Graviton (ARM64)
- Containerization: Kubernetes, Docker
- Infrastructure as Code: Terraform, CloudFormation
- Architecture: Microservices, REST APIs, distributed systems
- AI Technologies: Amazon Bedrock, AgentCore (preferred)
- Integration: Mobile SDKs, backend APIs, payment orchestration
- Must be local to O'Fallon, MO, or the surrounding St. Louis metropolitan area.
- Strong hands-on engineering experience is mandatory.
- Direct C2C candidates accepted only when represented by their direct employer/visa-holding company.
- No third-party or layered vendor submissions.
Schedule
- Hybrid work arrangement
- Contract
Pay
- Up to $75/hr (C2C – Based on Experience)
How to apply
- Apply through LinkedIn or send your updated resume by email.
Location
- O’Fallon, MO