Front-End Developer, Level 4

Job Description

Front-End Developer (Level 4)

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Location: Onsite – Springfield, VA

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• Clearance Requirement: TS/SCI
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• Salary: $170,000
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DUTIES:

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• Design and implement user interfaces for TSSC applications and analytical tools
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• Develop and maintain user-facing features using modern front-end technologies
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• Ensure the technical feasibility of UI/UX designs and translate them into high-quality code
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• Develop interactive data-visualization components for technical security data
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• Create responsive web applications for field use by TSSC personnel
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• Optimize applications for maximum speed, scalability, and accessibility
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• Implement user authentication and authorization interfaces
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• Ensure compliance with security requirements for classified environments
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• Coordinate with back-end developers to integrate front-end components with APIs
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• Optimize application performance and usability for technical security operations
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• Provide technical leadership for junior front-end developers
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• Document front-end architecture, components, and interfaces
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• Conduct usability testing and implement improvements based on user feedback
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SKILLS AND EXPERIENCE – REQUIRED:

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• Bachelor's degree in Computer Science, Web Development, or a related field
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• Minimum of eight years of experience in front-end development
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• Experience with modern JavaScript frameworks such as React, Angular, or Vue
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• Knowledge of HTML5, CSS3, and responsive-design principles
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• Experience developing applications for secure environments
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• Experience with front-end build tools such as Webpack, Babel, and npm/yarn
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• Strong understanding of responsive design, cross-browser compatibility, and web-performance optimization
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• Knowledge of RESTful APIs and asynchronous request handling
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• Understanding of web-security best practices
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• Experience with data-visualization libraries and techniques
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SKILLS AND EXPERIENCE – DESIRED:

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• Experience working with classified systems and security requirements
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• Knowledge of UX/UI design principles for technical applications
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• Experience with technical data visualization
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• Understanding of TSSC operations and requirements
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• Experience with secure authentication methods
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• Proficiency with TypeScript
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• Experience with front-end testing frameworks such as Jest, Cypress, or Playwright
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• In-depth knowledge of web accessibility standards
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• Familiarity with state-management libraries such as Redux, MobX, or Vuex
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• Experience with GraphQL
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• Knowledge of server-side rendering or static-site generation frameworks
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We are an equal opportunity employer, and we are an organization that values diversity. We welcome applications from all qualified candidates, including minorities and persons with disabilities.

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req26-00702