.NET & REACT Full Stack Developer, SME

Overview In this role you will develop and maintain web applications using .NET and React, delivering scalable, high-quality software. You will work with cross-functional teams to design, implement, test, and deploy features across the full stack, emphasizing performance and reliability. You’ll contribute to code quality through reviews and best practices, helping teams ship robust solutions for government clients. This position supports onsite work at a government facility in Washington, D.C., with remote or hybrid options subject to approval. Your work will advance secure, modern software that enables mission-critical services. ResponsibilitiesDevelop and maintain web apps with React, TypeScript, JavaScript, Node.js, and HTML5/CSS3Design and implement front-end and back-end componentsEnsure performance, quality and responsiveness of applicationsCollaborate with cross-functional teams to define and ship featuresWrite clean, scalable, maintainable code following best practicesConduct unit, integration, and system testingTroubleshoot and resolve issues and bugsParticipate in code reviews and provide feedbackUse Git/Gitlab for source controlContribute to DevOps practices and CI/CD pipelinesOn-site work at a government facility in Washington, D.C., with possible hybrid arrangements with customer approval Key requirementsActive Top-Secret with SCI and CI Poly eligibilityBachelor’s degree in Computer Science or related field or equivalent8+ years experience as software developerExperienced with ASP.NET framework, Entity Framework, SQL Server and design/architectural patterns (e.g. APIs with Dependency Injection)Experienced with .NET languages (e.g. C#, ADO.NET, EF)Familiarity with REST and RPC APIsExcellent communication and collaboration skillsStrong problem-solving and attention to detailTeam-oriented and adaptableReact front-end development (TypeScript/JavaScript)ASP.NET frameworkEntity Framework