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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