Front End Developer with Security Clearance

MANTECH seeks a motivated, career and customer-oriented Front End Developer to join our team in Annapolis Junction, MD. Responsibilities include but are not limited to: * Design and develop web-based user interfaces for operational tools and capability management systems
* Create visualization dashboards that present complex technical data in operator-friendly formats
* Conduct user research with operators to understand workflow pain points and interface requirements
* Build responsive, accessible web applications optimized for operational environment constraints
* Integrate front-end applications with back-end APIs, data pipelines, and capability infrastructure
* Implement real-time data visualization for operational status, system health, and mission telemetry
* Develop interface components that streamline operator workflows during mission execution
* CONUS travel maybe be required up to 25%. Minimum Qualifications: * Bachelor's and 9+ years of experience OR High School Diploma/GED and 13+ years of experience OR Associate's degree and 11+ years of experience OR Master's Degree and 7+ years, OR a PhD with 5+ years of progressively responsible experience.
* 3+ years professional front-end development experience
* Expert proficiency in HTML5, CSS3, and TypeScript
* Strong experience with modern JavaScript frameworks (React, Vue, Angular, or similar)
* Experience with RESTful API integration and asynchronous data handling Proficiency with data visualization libraries (D3.js, Plotly, Chart.js, or similar)
* Experience with version control (Git) and collaborative development workflows
* Familiarity with build tools and package managers (Webpack, npm, yarn) Preferred Qualifications: * Proficiency with Golang for backend integration and tooling development
* Experience building applications for cybersecurity operations or intelligence analysis
* Familiarity with Svelte framework and real-time data visualization and WebSocket implementations
* Experience with component libraries and design systems (Material-UI, Ant Design)
* Bachelor's degree in Computer Science, Human-Computer Interaction, Design, or related field (or equivalent experience) Clearance Requirements: * An active TS/SCI with Polygraph is required.
* Must be a U.S. citizen. Physical Requirements: * Must be able to remain in a stationary position 50% of the time.
* Needs to occasionally move about inside the office to access file cabinets and office machinery.
* Frequently communicates with co-workers, management, and customers, which may involve delivering presentations.
* Must be able to exchange accurate information in these situations.