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Front-End Developer, Level 4
Job in
Springfield, Fairfax County, Virginia, 22161, USA
Listed on 2026-10-12
Listing for:
Pop-Up Talent
Full Time
position Listed on 2026-10-12
Job specializations:
-
Software Development
Front End Developer, HTML CSS, Javascript, React.js
Job Description & How to Apply Below
- 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
REQUIRED:
- Bachelor's degree in Computer Science, Web Development, or a related field
- Minimum of eight years of experience in front-end development
- 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
- Knowledge of RESTful APIs and asynchronous request handling
- Understanding of web-security best practices
- Experience with data-visualization libraries and techniques
- 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 Type Script
- 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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