.NET Developer – DevSecOps

About the role

Location: Huntsville, AL – Onsite. Employment Type: Full-Time, 40 hours per week. Employment Eligibility: 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 (no 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.

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 DevSecOps 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 GitLab, 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, OpenShift, 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.

Requirements

• 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 backend application services.
• Experience working with Microsoft SQL Server, including database queries and data access.
• Proficiency with Visual Studio, Git, debugging, and troubleshooting tools.
• Familiarity with microservices architecture and modern application development practices.
• Working knowledge of DevSecOps, CI/CD pipelines, automated testing, and secure coding practices.
• Experience collaborating with cross-functional teams in an Agile software development environment.
• Strong analytical, troubleshooting, communication, and problem-solving skills.
• Ability to obtain and maintain a Public Trust Background Investigation.

Qualifications

• Bachelor's degree in Information Technology, Computer Science, Software Engineering, or a related field from an accredited institution.
• Experience with AWS cloud services and cloud-based .NET application development.
• AWS Certification and/or CompTIA Security+ certification.
• Experience with microservices architecture, distributed systems, and cloud-native application development.
• Familiarity with GitLab, Jenkins, SonarQube, Docker, Kubernetes, or OpenShift.
• Experience with SAST/DAST, automated security scanning, and DevSecOps CI/CD pipelines.
• Knowledge of NIST SP 800-53, FedRAMP, ATO, and federal application security requirements.
• Experience supporting federal government, law enforcement, case management, or other mission-critical applications.