Mission-Critical UI/UX Developer (TS/SCI)

Leidos LLC; Gaithersburg (MD); On-site; USD 87,000 - 157,000; Full time

Job summary

Leidos is seeking a UI/UX Developer to craft intuitive, high-impact interfaces for mission-critical systems within the Intelligence Community. You’ll turn complex workflows into elegant user experiences, partnering with cross-functional teams to deliver capabilities that support national security.

In this role, you’ll contribute to design systems, front-end development with React/Angular, and usability best practices.

Qualifications

• Bachelor’s degree in Computer Science, Software Engineering, or related field required.
• Experience with front-end technologies (JavaScript, HTML, CSS).
• Experience with modern UI frameworks (React, Angular).
• Demonstrated ability to design user-centered interfaces for complex apps.

Responsibilities

• UI/UX Design & Implementation for web-based applications.
• User Experience Optimization to improve usability and adoption.
• Front-End Development using modern frameworks.
• Usability & Accessibility adherence and best practices.
• Design Systems contribution and maintenance of style guides.
• User Research & Feedback integration into designs.
• Cross-Functional collaboration with backend teams and stakeholders.
• Performance optimization of front-end interfaces.

Skills

JavaScript

HTML

CSS

React

Angular

Usability principles

Linux

Education

Bachelor’s degree in Computer Science/Software Engineering or related field

Master’s degree (with 2–6 years relevant experience)

Tools

Figma

Sketch

Adobe XD

Grafana

REST APIs

Job description

Leidos is seeking a UI/UX Developer to craft intuitive, high-impact interfaces for mission-critical systems within the Intelligence Community. You’ll turn complex workflows into elegant user experiences, partnering with cross-functional teams to deliver capabilities that support national security.

In this role, you’ll contribute to design systems, front-end development with React/Angular, and usability best practices.