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Senior UI/UX Web Developer with Security Clearance

System One Holdings, LLCFort Belvoir, VA🇺🇸United StatesPosted Oct 21, 2026

Quick Overview

Seniority
Mid Senior
Employment type
Employee
Work mode
Remote
Location
Fort Belvoir, VA, United States
Posted
Yesterday
GitHTMLFigmaSketchAdobe XDAngularCSSVueReactJavaScript

Job Description

Job Title: Senior UI/UX Web Developer
Role Type: Direct Perm / Full Time Salaried Location: Remote, with occasional travel to Fort Belvoir, VA
Clearance Requirement: Active Secret Clearance Position Overview
We are seeking a talented Senior UI/UX Web Developer to design, develop, and optimize user-centered websites and web applications that combine intuitive design, accessibility, and high-performance functionality. This role requires a strong blend of UI/UX design expertise and front-end development skills to deliver engaging, responsive, and accessible digital experiences.

The ideal candidate has a solid understanding of user-centered design principles, proficiency in industry-standard design tools, and hands-on experience developing modern web applications using HTML5, CSS3, JavaScript, and contemporary JavaScript frameworks. You will collaborate with cross-functional teams to translate user needs and business requirements into effective design solutions and production-ready code. This position is primarily remote, with occasional visits to Fort Belvoir, Virginia.

Candidates must possess an active Secret security clearance and CompTIA Security+ certification or an equivalent qualification.

Key Responsibilities

  • UI/UX Design: Develop wireframes, user flows, storyboards, mockups, and interactive prototypes to communicate and validate user experiences.
  • Front-End Development: Translate design concepts into clean, maintainable, production-ready code using HTML5, CSS3, JavaScript, and related technologies.
  • User Research and Testing: Conduct user research, develop user personas, perform usability testing, and refine interfaces based on user feedback and findings.
  • Responsive Design and Accessibility: Build responsive, accessible web interfaces optimized for performance across devices and browsers, ensuring compliance with applicable accessibility standards, including WCAG.
  • Modern Web Frameworks: Develop and maintain front-end applications using frameworks such as React, Vue.js, or Angular.
  • Design Tools: Create and maintain high-fidelity design assets using Adobe Creative Suite and tools such as Figma, Sketch, or Adobe XD.
  • Cross-Functional Collaboration: Work closely with product managers, backend engineers, and other stakeholders to align design and development efforts with user needs and project objectives.
  • Version Control and Code Management: Use Git-based version control systems, preferably GitLab, to manage source code, track changes, and support collaborative development.
  • Problem-Solving and Optimization: Identify usability challenges, troubleshoot front-end issues, and continuously improve the functionality, accessibility, and overall quality of digital products. Required Qualifications
  • U.S. citizenship. Dual citizens may be considered, subject to applicable security clearance requirements.
  • Active Secret security clearance required.
  • CompTIA Security+ certification or an equivalent certification.
  • Strong proficiency in HTML5, CSS3, JavaScript, and front-end web development.
  • Experience with modern JavaScript frameworks, such as React, Vue.js, or Angular.
  • Proficiency in Adobe Creative Suite and experience with UI/UX design tools such as Figma, Sketch, or Adobe XD.
  • Experience with Git or other version control systems; GitLab experience preferred.
  • Strong understanding of user-centered design principles, usability best practices, responsive design, and web accessibility standards.
  • Excellent analytical, critical-thinking, and problem-solving skills.
  • Ability to communicate effectively and collaborate with multidisciplinary teams.

Preferred Qualifications

  • Experience designing and developing complex websites or web applications.
  • Experience conducting usability studies, analyzing user feedback, and translating research findings into actionable design improvements.
  • Familiarity with accessibility guidelines, including WCAG, and accessible front-end implementation practices.
  • Experience integrating front-end interfaces with backend services and APIs.
  • Familiarity with collaborative software development workflows and modern code management practices.

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