Front-End Developer, Level 4

Location: Onsite – Springfield, VAClearance Requirement: TS/SCI

Salary: $170,000DUTIES:Design and implement user interfaces for TSSC applications and analytical toolsDevelop and maintain user-facing features using modern front-end technologiesEnsure the technical feasibility of UI/UX designs and translate them into high-quality codeDevelop interactive data-visualization components for technical security dataCreate responsive web applications for field use by TSSC personnelOptimize applications for maximum speed, scalability, and accessibilityImplement user authentication and authorization interfacesEnsure compliance with security requirements for classified environmentsCoordinate with back-end developers to integrate front-end components with APIsOptimize application performance and usability for technical security operationsProvide technical leadership for junior front-end developersDocument front-end architecture, components, and interfacesConduct usability testing and implement improvements based on user feedbackSKILLS AND EXPERIENCE – REQUIRED:Bachelor's degree in Computer Science, Web Development, or a related fieldMinimum of eight years of experience in front-end developmentExperience with modern JavaScript frameworks such as React, Angular, or VueKnowledge of HTML5, CSS3, and responsive-design principlesExperience developing applications for secure environmentsExperience with front-end build tools such as Webpack, Babel, and npm/yarnStrong understanding of responsive design, cross-browser compatibility, and web-performance optimizationKnowledge of RESTful APIs and asynchronous request handlingUnderstanding of web-security best practicesExperience with data-visualization libraries and techniquesSKILLS AND EXPERIENCE – DESIRED:Experience working with classified systems and security requirementsKnowledge of UX/UI design principles for technical applicationsExperience with technical data visualizationUnderstanding of TSSC operations and requirementsExperience with secure authentication methodsProficiency with TypeScriptExperience with front-end testing frameworks such as Jest, Cypress, or PlaywrightIn-depth knowledge of web accessibility standardsFamiliarity with state-management libraries such as Redux, MobX, or VuexExperience with GraphQLKnowledge of server-side rendering or static-site generation frameworksWe 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.req26-00702