Senior Front-End Developer - Onsite at Fort Belvoir, VA (Top Secret/SCI and CI Poly is Required)

Senior Front-End DeveloperLocation: Fort Belvoir, VA (Onsite)Security Clearance: Active TS/SCI with CI Polygraph RequiredPosition OverviewBooker DiMaio is seeking an experienced Senior Front-End Developer to support a mission-critical Federal Intelligence Community program. This position is responsible for designing and developing secure, responsive, and intuitive web applications that enable mission-critical operations within a highly classified environment.The ideal candidate has extensive experience building modern user interfaces, developing interactive data visualizations, and creating responsive web applications using today's leading front-end technologies. This individual will work closely with back-end developers and other engineering teams to deliver secure, high-performance applications while helping mentor junior developers.Key Responsibilities

• Design and develop modern, responsive, and secure web-based user interfaces.
• Build interactive dashboards and data visualization components to support mission-critical operations.
• Develop responsive web applications optimized for desktop and field users.
• Implement secure authentication, authorization, and role-based access control interfaces.
• Integrate front-end applications with RESTful APIs and back-end services.
• Collaborate with back-end developers and cross-functional engineering teams throughout the software development lifecycle.
• Conduct usability testing and continuously improve application performance and user experience.
• Ensure applications meet security standards, accessibility requirements, and front-end development best practices while mentoring junior developers.

Required Qualifications

• Active TS/SCI clearance with CI Polygraph.
• Bachelor's degree in Computer Science, Web Development, or a related technical discipline.
• 8+ years of professional front-end development experience.
• Strong experience with modern JavaScript frameworks such as React, Angular, or Vue.
• Advanced knowledge of HTML5, CSS3, responsive web design, and modern JavaScript.
• Experience using front-end build tools such as Webpack, Babel, npm, or Yarn.
• Experience integrating applications with RESTful APIs.
• Experience working with data visualization libraries and developing interactive dashboards.
• Strong understanding of web application security and secure front-end development practices.
• Experience developing applications within secure or highly regulated environments.
• Excellent analytical, troubleshooting, and problem-solving skills.

Preferred Qualifications

• Experience supporting Intelligence Community or Department of Defense programs.
• Experience with UX/UI design principles and user-centered development.
• Experience with TypeScript.
• Experience using automated testing frameworks such as Jest, Cypress, or Playwright.
• Knowledge of WCAG accessibility standards and accessible application development.
• Experience with state management libraries such as Redux, MobX, or Vuex.
• Experience developing GraphQL applications.
• Experience with Server-Side Rendering (SSR) or Static Site Generation (SSG) frameworks.

If you are an experienced Front-End Developer with a passion for building secure, intuitive, and high-performance user experiences for mission-critical applications, we encourage you to apply and learn more about this opportunity.

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