Senior .NET Developer (.NET Framework / .NET Core)

We are seeking an experienced Senior .NET Developer to support the Department of Veterans Affairs by developing and maintaining enterprise APIs within an Azure-based integration platform. This platform enables secure communication between CRM applications and backend databases through scalable, high-performance RESTful APIs., The successful candidate will design, develop, test, and support .NET Framework and future-state .NET Core APIs while collaborating with application developers, architects, and data teams to deliver secure, reliable integration services supporting critical VA business operations., * Design, develop, and maintain enterprise REST APIs using C#, ASP.NET Web API, .NET Framework, and .NET Core.

• Develop scalable, secure, and maintainable integration services supporting enterprise applications.
• Build APIs that integrate with authentication providers using OAuth, JWT, and modern security patterns.

Azure Integration

• Package and deploy APIs into Azure environments.
• Publish and manage APIs using Azure API Management (APIM), including routing, versioning, monitoring, and policy enforcement.
• Support cloud-based API modernization initiatives and future migration from .NET Framework to .NET Core.

DevelopmentTesting

• Develop unit, integration, and functional tests for enterprise APIs.
• Participate in code reviews and technical design sessions.
• Leverage AI-assisted development and testing tools to improve software quality and productivity.
• Troubleshoot and resolve production issues affecting enterprise APIs., * Collaborate with frontend developers, backend database teams, DevOps engineers, QA analysts, and solution architects.
• Create and maintain technical documentation, API specifications, and implementation guides., * Secure, scalable, and reliable enterprise APIs.
• High-quality code following software engineering best practices.
• Successful migration from .NET Framework to .NET Core.
• Stable Azure API platform with minimal production issues.
• Strong collaboration across development, infrastructure, and business teams.

• Bachelor’s degree in Computer Science, Information Technology, Software Engineering, or a related field.
• Minimum 5 years of experience developing enterprise .NET applications and APIs.
• Advanced experience with:
• C#
• ASP.NET Web API
• .NET Framework
• .NET Core
• RESTful API Development
• Experience implementing authentication and authorization using OAuth, JWT, or similar security frameworks.
• Experience developing and deploying APIs through CI/CD pipelines.
• Strong troubleshooting, debugging, and software testing skills.
• Excellent communication and collaboration abilities., * Experience with Microsoft Azure.
• Experience using Azure API Management (APIM).
• Experience supporting Azure cloud integration platforms.
• Experience leveraging AI tools to accelerate software development and testing.
• Experience supporting Department of Veterans Affairs or other Federal agencies.
• Familiarity with Agile software development methodologies.

Pulled from the full job description Tuition reimbursement Military leave Health insurance 401(k) matching Vision insurance Dental insurance Life insurance, Full-time employees are offered a comprehensive and competitive benefits package including:

• Paid vacation, sick leave, and holidays
• Medical, dental, and vision insurance
• Life insurance
• Short- and long-term disability insurance
• 401(k) retirement plan with company match and immediate vesting
• Military leave
• Professional training and development
• Tuition reimbursement
• Employee wellness program
• And more