Software Engineer IV (.NET/AWS)

Our client is seeking a Software Engineer to support a combination of legacy applications and the organization’s target-state cloud environment. This role will work across multiple technology stacks, with a primary focus on .NET development, React.js, AWS, application modernization, and vulnerability remediation. The Software Engineer will support the Frontier AI initiative, a technology-wide effort focused primarily on remediating critical and high vulnerabilities across approximately 13 applications/CI codes. The engineer will also contribute to automation initiatives and the migration of legacy applications to modern, cloud-native technologies., * Develop, maintain, enhance, and modernize applications across legacy and target-state environments.

• Work with .NET Core, .NET Framework, and ASP.NET applications.
• Develop and support modern applications using React.js and JavaScript.
• Support applications and services running in or transitioning to AWS.
• Remediate critical and high-severity vulnerabilities across multiple applications and technology stacks, with additional medium- and low-severity remediation as needed.
• Help modernize legacy applications by converting them from existing .NET frameworks into the organization’s AWS target-state architecture.
• Participate in cloud-native application modernization efforts.
• Support the development and implementation of automation for client secret/password rotation.
• Work with HashiCorp Vault and Harness CI/CD pipelines to automate client secret rotations.
• Work across existing Azure DevOps applications while supporting the organization’s migration toward GitHub and Harness.
• Utilize GitHub Copilot as part of the team’s current AI-assisted development practices.
• Collaborate with development and technology teams to understand application vulnerabilities, determine appropriate remediation approaches, and implement solutions.
• Support applications utilizing modern architectural approaches, including micro-frontend services.
• Work with technologies including Temenos, React, JavaScript, and AWS as part of the target-state environment.
• Contribute to the team’s broader Frontier AI/MythOS-related technology initiatives.

• .NET Core
• .NET Framework
• ASP.NET
• React.js
• AWS
• GitHub Copilot
• Lambda, S3, Route53, SQS, SNS, Dynamo, Posrgressql / Aurora

Candidates should have a strong software development background and the ability to work across both legacy and modern technology environments.

Bonus Skills

• HashiCorp Vault
• Harness
• GitHub
• Azure DevOps
• CI/CD pipeline development
• Cloud-native application development
• Application security and vulnerability remediation
• Legacy application modernization
• Micro-frontend architecture
• Temenos
• JavaScript
• Experience transitioning applications from legacy .NET technologies to AWS