Front-End Developer, Level 4

Front-End Developer (Level 4)

Location: Onsite – Springfield, VA

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

DUTIES:

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

SKILLS AND EXPERIENCE – REQUIRED:

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

SKILLS AND EXPERIENCE – DESIRED:

• Experience working with classified systems and security requirements
• Knowledge of UX/UI design principles for technical applications
• Experience with technical data visualization
• Understanding of TSSC operations and requirements
• Experience with secure authentication methods
• Proficiency with TypeScript
• Experience with front-end testing frameworks such as Jest, Cypress, or Playwright
• In-depth knowledge of web accessibility standards
• Familiarity with state-management libraries such as Redux, MobX, or Vuex
• Experience with GraphQL
• Knowledge of server-side rendering or static-site generation frameworks

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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