NET & React Full Stack Developer with Security Clearance

In this role, you will contribute to the development, enhancement, and maintenance of secure web applications and services that support high-impact operations. You will work hands-on with the .NET framework and modern front-end technologies to build clean, efficient, and reliable solutions that integrate seamlessly across backend, frontend, and cloud environments. Key Responsibilities * Design, develop, test, and maintain full-stack application features using C#, ASP.NET, Entity Framework, SQL Server, React, JavaScript/TypeScript, HTML, and CSS * Build responsive, user-friendly front-end interfaces using React and modern UI development practices * Develop scalable and secure backend components and APIs to support application functionality * Modify and enhance existing code to improve performance, usability, and maintainability * Integrate third-party tools, APIs, and services as needed * Participate in the full software development lifecycle (SDLC), including planning, requirements

analysis, development, testing, and deployment * Collaborate with senior developers and architects to implement technical designs and follow established patterns and standards * Write clean, maintainable, and secure code aligned with best practices and team guidelines * Conduct unit and integration testing to ensure functionality and reliability * Troubleshoot and resolve application, integration, and performance issues * Use Git/GitLab for version control, branching, and team collaboration * Support operations and maintenance (O&M) tasks, including bug fixes, minor enhancements, and performance tuning * Participate in code reviews and incorporate feedback to continually enhance code quality and technical proficiency * Assist with remediation of code and package vulnerabilities identified through security scans Required For This Opportunity * Active Top Secret clearance is required * Bachelor’s degree in Computer Science, Software Engineering, Information Technology, or a related field * 3-5 years of professional software development experience using C# and the .NET framework * Hands-on experience with ASP.NET, Entity Framework, and SQL Server * Experience developing front-end applications or components using React, JavaScript/TypeScript, HTML, and CSS * Familiarity with architectural patterns and API styles, including REST and/or RPC * Experience integrating front-end components with back-end services and APIs * Experience writing and executing unit tests and performing integration testing * Understanding of secure coding practices and willingness to follow vulnerability remediation guidance

Nice to Have Skills * Experience with cloud platforms such as AWS or Azure * Basic understanding of DevOps practices or exposure to CI/CD pipelines (GitLab preferred) * Experience working with Object-Relational Mappers (ORMs) such as Entity Framework * Knowledge of relational or NoSQL database design principles * Experience with containerization tools such as Docker * Exposure to UI component libraries or modern front-end design patterns * Relevant certifications in .NET development, React/front-end development, cloud technologies, or software engineering

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AIS is seeking a .NET & React Full Stack Developer to join our team and support a mission-critical federal client in Washington, DC.