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# Mid-level UI Developer

- **Company:** NS2 Mission
- **Location:** Chantilly, VA, United States
- **Experience:** Experienced
- **Salary:** $125,899.0 - $169,878.0
- **Contract:** Permanent contract
- **Skills:** Clean Code Principles, JavaScript (Programming Language), Amazon Web Services, HTML5, Microsoft Azure, Cascading Style Sheets (CSS), Code Review, Design of User Interfaces, Responsive Web Design, Systems Integration, TypeScript, User Interface Testing, Website Wireframe, Cloud Platform System, Delivery Pipeline, Backend, Git, Vue.js, Information Technology, Build Tools, Restful APIs, Software Version Control
- **Published:** October 16, 2026
- **Apply:** https://www.thejobnetwork.com/job/efe54b1f-4f56-4625-bf47-76e019765bb9/midlevel-ui-developer

## About the Role

* Bachelor's degree in Computer Science, or a related field
 * 5+ years of experience in user interface development
 * Proficiency in Vue.js
 * Experience with JavaScript, TypeScript, HTML5, and CSS
 * Understanding of responsive design and UI/UX principles
 * Experience integrating with RESTful APIs
 * Experience with version control systems (Git)
 * Ability to work onsite in Chantilly, VA

Preferred Qualifications

 * Experience with modern build tools and deployment pipelines
 * Knowledge of UI testing frameworks
 * Exposure to cloud environments (AWS, Azure, or GCP)

What You'll Bring

 * A strong eye for visual detail, layout, and user experience
 * Passion for creating intuitive and aesthetically polished interfaces
 * Well-tested, maintainable code
 * Ability to balance design fidelity with technical performance
 * Strong collaboration and communication skills across geographically distributed team
 * A proactive mindset and attention to continuous UI improvement

Position Clearance Requirement:

TS/SCI with CI Poly

## Description

* Design and develop dynamic, responsive user interfaces using Vue.js
 * Build reusable UI components and maintain consistency across applications
 * Translate wireframes, mockups, and design systems into high-quality code
 * Collaborate with UX/UI designers to refine user workflows and interactions
 * Integrate front-end components with RESTful APIs and backend services
 * Optimize UI performance and initial load times
 * Participate in code reviews and contribute to front-end/UI best practices
 * Troubleshoot and resolve UI/UX issues in production environments