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Join a product-first, engineering-led organization building secure, high-impact software for the national defense and intelligence community. Our client operates at the bleeding edge of innovation-where agile product development meets mission-critical national security objectives. This is not client services. We own what we build. And it gets used. Our client is hiring a Web Developer with an active TS/SCI and Full Scope Polygraph to help deliver modern, scalable web applications inside highly secure environments. If you're fluent in front-end frameworks, passionate about elegant interfaces, and thrive in fast-paced, purpose-driven teams-this is the one. What You'll Do: Build and maintain secure, high-performance web applications using modern front-end frameworks Collaborate with cross-functional teams across product, engineering, and operations Troubleshoot and resolve UI/UX issues across various deployment environments Optimize usability, speed, and responsiveness for mission-critical applications Ship clean, reliable code in a fast-moving, agile environment What You Bring: Strong experience with TypeScript and JavaScript Proficiency in C# for backend or service integration work Solid baseline knowledge of HTML and CSS Hands-on experience with front-end frameworks and libraries like ReactJS, Angular, Vue, jQuery, ExtJS, or NodeJS Familiarity with Git workflows, code reviews, and CI/CD pipelines Strong problem-solving and debugging skills focused on UI performance and reliability Active TS/SCI with Full Scope Polygraph (Required) Availability to work onsite, Monday through Friday, in Reston, VA Bonus Points For: UI/system-level test automation experience Familiarity with Visual Studio, Microsoft IIS, and SQL Server Experience working in classified, air-gapped, or closed-network environments Passion for secure development practices and high-trust software delivery Why Join Us? We build products that support real missions-not shelfware. Our engineers are empowered, our tech is modern, and our purpose is clear. This is your opportunity to work on a team that's shipping software where it counts-fast, secure, and mission-ready. #CJ