Senior Software Engineer

Senior .NET Software Engineer (ASP.NET Core / C# / AWS)
Location: Remote

• Software Engineer III: 6–10 years experience
• Software Engineer IV: 11–15 years experience

This project follows a 10-year roadmap and offers long-term stability and growth.

About the Role
Changeis, Inc. is seeking a highly skilled Senior .NET Software Engineer to support our work with the Supply Chain Systems Team. This role is heavily focused on ASP.NET Core development, backend services, and cloud-based application architecture within an enterprise SCM-ERP platform.

You will work closely with cross-functional teams to design, build, and maintain scalable .NET applications while supporting DevSecOps and cloud integration efforts.

Key Responsibilities

• Design, develop, and maintain ASP.NET Core / C# applications and APIs
• Build and enhance backend services and microservices architecture
• Collaborate with architects and product teams to deliver scalable solutions
• Integrate applications with AWS services (EC2, S3, RDS, etc.)
• Participate in CI/CD pipeline development and deployment processes
• Ensure application performance, security, and scalability
• Troubleshoot and resolve production issues
• Contribute to system design, code reviews, and best practices
• Support integration with SCM-ERP (IFS) systems

Required Qualifications

• U.S. Citizenship required
• Bachelor’s degree in Computer Science, IT, Engineering, or related field (or equivalent experience)
• 6–15 years of software development experience (C# / .NET)
• Strong experience with ASP.NET Core and Web API development
• Experience building scalable backend systems and RESTful APIs
• Experience working in Agile / Scrum environments
• Experience with AWS cloud services
• Ability to learn new technologies quickly

Highly Preferred (this is where you filter stronger candidates)

• Experience with SCM-ERP (IFS) within FAA or federal environments
• Experience with microservices architecture
• Experience with containerization (Docker, Kubernetes, OpenShift/ROSA)
• Familiarity with DevSecOps practices and CI/CD pipelines
• Knowledge of infrastructure-as-code (Terraform, Ansible, etc.)
• Experience with federal security standards (FedRAMP, NIST)