{"schemaVersion":"jobsearcher.job.v1","id":"2852f2a4703b959a8f2b8467","url":"https://jobsearcher.com/jobs/2852f2a4703b959a8f2b8467","canonicalUrl":"https://jobsearcher.com/jobs/2852f2a4703b959a8f2b8467","title":"Front-End Developer, Level 4","description":"Job Description\n\nFront-End Developer (Level 4)\r\nLocation: Onsite – Springfield, VAClearance Requirement: TS/SCI\r\nSalary: $170, 000DUTIES:Design and implement user interfaces for TSSC applications and analytical tools\r\nDevelop and maintain user-facing features using modern front-end technologies\r\nEnsure the technical feasibility of UI/UX designs and translate them into high-quality code\r\nDevelop interactive data-visualization components for technical security data\r\nCreate responsive web applications for field use by TSSC personnel\r\nOptimize applications for maximum speed, scalability, and accessibility\r\nImplement user authentication and authorization interfaces\r\nEnsure compliance with security requirements for classified environments\r\nCoordinate with back-end developers to integrate front-end components with APIs\r\nOptimize application performance and usability for technical security operations\r\nProvide technical leadership for junior front-end developers\r\nDocument front-end architecture, components, and interfaces\r\nConduct usability testing and implement improvements based on user feedbackSKILLS AND EXPERIENCE – REQUIRED:Bachelor's degree in Computer Science, Web Development, or a related field\r\nMinimum of eight years of experience in front-end development\r\nExperience with modern JavaScript frameworks such as React, Angular, or Vue\r\nKnowledge of HTML5, CSS3, and responsive-design principles\r\nExperience developing applications for secure environments\r\nExperience with front-end build tools such as Webpack, Babel, and npm/yarn\r\nStrong understanding of responsive design, cross-browser compatibility, and web-performance optimization\r\nKnowledge of RESTful APIs and asynchronous request handling\r\nUnderstanding of web-security best practices\r\nExperience with data-visualization libraries and techniquesSKILLS AND EXPERIENCE – DESIRED:Experience working with classified systems and security requirements\r\nKnowledge of UX/UI design principles for technical applications\r\nExperience with technical data visualization\r\nUnderstanding of TSSC operations and requirements\r\nExperience with secure authentication methods\r\nProficiency with TypeScript\r\nExperience with front-end testing frameworks such as Jest, Cypress, or Playwright\r\nIn-depth knowledge of web accessibility standards\r\nFamiliarity with state-management libraries such as Redux, MobX, or Vuex\r\nExperience with GraphQL\r\nKnowledge 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","company":"Coretechs","rawCompany":"coretechs","city":"Springfield","state":"VA","isRemote":false,"isActive":false,"createdAt":"2026-11-12T01:43:55.903Z","occupations":[{"code":"15-1254.00","title":"Web Developers","slug":"web-developers"},{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1255.00","title":"Web and Digital Interface Designers","slug":"web-and-digital-interface-designers"}],"industries":[{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Front-End Developer, Level 4","description":"Job Description\n\nFront-End Developer (Level 4)\r\nLocation: Onsite – Springfield, VAClearance Requirement: TS/SCI\r\nSalary: $170, 000DUTIES:Design and implement user interfaces for TSSC applications and analytical tools\r\nDevelop and maintain user-facing features using modern front-end technologies\r\nEnsure the technical feasibility of UI/UX designs and translate them into high-quality code\r\nDevelop interactive data-visualization components for technical security data\r\nCreate responsive web applications for field use by TSSC personnel\r\nOptimize applications for maximum speed, scalability, and accessibility\r\nImplement user authentication and authorization interfaces\r\nEnsure compliance with security requirements for classified environments\r\nCoordinate with back-end developers to integrate front-end components with APIs\r\nOptimize application performance and usability for technical security operations\r\nProvide technical leadership for junior front-end developers\r\nDocument front-end architecture, components, and interfaces\r\nConduct usability testing and implement improvements based on user feedbackSKILLS AND EXPERIENCE – REQUIRED:Bachelor's degree in Computer Science, Web Development, or a related field\r\nMinimum of eight years of experience in front-end development\r\nExperience with modern JavaScript frameworks such as React, Angular, or Vue\r\nKnowledge of HTML5, CSS3, and responsive-design principles\r\nExperience developing applications for secure environments\r\nExperience with front-end build tools such as Webpack, Babel, and npm/yarn\r\nStrong understanding of responsive design, cross-browser compatibility, and web-performance optimization\r\nKnowledge of RESTful APIs and asynchronous request handling\r\nUnderstanding of web-security best practices\r\nExperience with data-visualization libraries and techniquesSKILLS AND EXPERIENCE – DESIRED:Experience working with classified systems and security requirements\r\nKnowledge of UX/UI design principles for technical applications\r\nExperience with technical data visualization\r\nUnderstanding of TSSC operations and requirements\r\nExperience with secure authentication methods\r\nProficiency with TypeScript\r\nExperience with front-end testing frameworks such as Jest, Cypress, or Playwright\r\nIn-depth knowledge of web accessibility standards\r\nFamiliarity with state-management libraries such as Redux, MobX, or Vuex\r\nExperience with GraphQL\r\nKnowledge 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","datePosted":"2026-11-12T01:43:55.903Z","dateModified":"2026-11-12T01:43:55.903Z","hiringOrganization":{"@type":"Organization","name":"Coretechs","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Springfield","addressRegion":"VA","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"2852f2a4703b959a8f2b8467"},"url":"https://jobsearcher.com/jobs/2852f2a4703b959a8f2b8467"}}