Software Engineer

Top-Secret / SCI Eligible
Onsite in DC Metro Software Engineer - Senior (.NET Web Developer) The team is seeking one (1) Senior Software Engineer with expertise in .NET web development to support a portfolio of custom-built, mission-critical web applications. The .NET Web Developer will work closely with internal and external partners to design, develop, and maintain secure, scalable, and efficient solutions in support of the organization's enterprise operations and workforce. Key Responsibilities: Perform full lifecycle development including planning, requirements analysis, system design, development, testing, deployment, and sustainment of .NET-based web applications. Collaborate with both client and contractor teams to gather and refine technical requirements aligned to mission needs. Design and implement dynamic, user-friendly UIs and RESTful services across diverse technology stacks. Provide operations and maintenance (O&M) support to ensure applications remain secure, reliable, and performant. Deploy and support web applications using IIS in production environments. Contribute to DevOps practices, CI/CD pipelines, and cloud-based infrastructure using AWS. Required Skills and Experience: U.S. Citizenship with Top Secret clearance and SCI eligibility 8+ years of full-stack development experience with a focus on web applications Strong hands-on experience with ASP.NET Framework 4.x+; knowledge of ASP.NET Core 3.x+ preferred Proficient in C and MVC frameworks such as ASP.NET MVC Experience developing and maintaining web services using WCF and Web API Solid UI development experience using HTML, CSS, JavaScript, and libraries such as: jQuery, Vue.js, Node.js, Vuetify.js, Chart.js, Bootstrap Telerik UI (Ajax), Kendo UI (preferred) Strong experience with SQL Server, including: Stored Procedures, Functions, PLSQL, and performance tuning PostgreSQL experience is a plus Experience with AWS Cloud technologies; AWS Developer Certification preferred Familiarity with deploying applications via IIS (7.5+) Experience with version control systems: SVN, TFS, Git/GitHub Basic experience with Windows Server 2019+ Exposure to Docker, DevOps practices, GitLab, CI/CD, and Python Experience supporting enterprise systems with 24/7 availability requirements Agile development experience with strong collaboration, time management, and problem-solving skills