.NET Developer – DevSecOps

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Full Time Herndon, VA, US

Salary Range: $75,000.00 To $90,000.00 Annually

Employment Eliglibity:This
position requires U.S. Citizenship to meet federal contract requirements. Candidates must be legally authorized to work in the United States without current or future employer sponsorship. This position is not eligible for visa sponsorship.
Clearance: Ability to obtain and maintain a Public Trust Background Investigation

Experience: Minimum 3 years
Education: Bachelor's degree in Information Technology, Computer Science, Software Engineering, or related field preferred
Certifications: AWS Certification and/or CompTIA Security+ preferred

Position Overview:The .NET Developer is responsible for designing, developing, and maintaining secure, scalable, and high-performing backend applications supporting a mission-critical application modernization project. This role focuses on backend development using Microsoft .NET/C#, ASP.NET Core, Entity Framework, SQL Server, REST APIs, and microservices architecture
.

The .NET Developer collaborates with frontend developers, solution architects, testers, cybersecurity, and Dev Sec Ops  teams to deliver reliable application services while incorporating Agile, secure coding, automated testing, and CI/CD practices throughout the software development lifecycle.

Key Responsibilities:

• Design, develop, enhance, and maintain backend applications and services using Microsoft .NET/C#, ASP.NET Core, and Entity Framework
  .
• Develop and integrate RESTful APIs, microservices, and backend services to support application functionality and system integrations.
• Write clean, scalable, efficient, reusable, and maintainable code following established coding standards and software engineering best practices.
• Design and optimize Microsoft SQL Server database queries, data access components, and application performance.
• Collaborate with frontend developers, UI/UX designers, solution architects, testers, and product teams to define and implement software requirements.
• Develop and maintain secure integrations with internal and external systems, including cloud-based services and enterprise applications.
• Apply secure coding practices, OWASP guidelines, and Dev Sec Ops  principles throughout backend development.
• Develop and execute unit, integration, API, and automated tests to ensure application functionality, reliability, and quality.
• Support CI/CD pipelines using Git Lab, Jenkins, or equivalent tools
  , including automated builds, testing, and deployments.
• Participate in SAST/DAST security scanning, dependency vulnerability assessments, code-quality reviews, and remediation activities
  .
• Use Visual Studio, Git, and approved debugging tools to troubleshoot backend application, database, API, and integration issues.
• Support application development, deployment, and troubleshooting within AWS cloud environments
  .
• Support containerized application development and deployment using Docker, Kubernetes, Open Shift, or equivalent technologies
  .
• Maintain technical documentation for application components, APIs, configurations, and development activities.
• Participate in Agile/Scrum ceremonies
  , including sprint planning, daily standups, backlog refinement, reviews, and retrospectives.
• Collaborate with cross-functional teams to improve application security, performance, scalability, reliability, and maintainability.

Required Qualifications:

• Minimum 3 years of .NET/backend application development experience
  .
• Strong experience with C#, Microsoft .NET, ASP.NET Core, and Entity Framework
  .
• Experience developing and integrating REST APIs and…