TS/SCI UI/UX Developer — Mission-Critical Frontend

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

Job summary

Leidos is seeking a Mid-Level UI/UX Developer to design and implement intuitive interfaces for mission-critical applications. You will bridge design and engineering, collaborating with backend teams and product owners to improve usability and performance.

The role emphasizes front-end development using modern frameworks, usability and accessibility, and active collaboration across cross-functional teams to deliver production-ready solutions for national security programs.

Qualifications

• US citizenship is required for the contract.
• Bachelor's in CS/Software Engineering or related field with relevant experience; Master’s degree with experience.
• Strong front-end skills with JavaScript, HTML, CSS and modern UI frameworks.
• Experience designing user-centered interfaces for complex applications; knowledge of UX and accessibility.

Responsibilities

• UI/UX design and implementation for web-based applications.
• Translate complex workflows into usable, accessible interfaces.
• Develop front-end components with modern frameworks (React, Angular).
• Ensure usability, accessibility, and design system consistency.
• Contribute to design systems, patterns, and style guides.
• Gather user feedback to improve interface design and functionality.
• Collaborate with backend engineers, product teams, and stakeholders.
• Improve front-end performance, responsiveness, and scalability.

Skills

JavaScript

HTML/CSS

React/Angular

UX design principles

Linux environments

User research

Cross-functional collaboration

Education

Bachelor's degree in CS/Software Engineering

Master's degree in related field

Tools

Figma

Sketch

Adobe XD

REST APIs

CI/CD tooling

Job description

Leidos is seeking a Mid-Level UI/UX Developer to design and implement intuitive interfaces for mission-critical applications. You will bridge design and engineering, collaborating with backend teams and product owners to improve usability and performance.

The role emphasizes front-end development using modern frameworks, usability and accessibility, and active collaboration across cross-functional teams to deliver production-ready solutions for national security programs.