UI/UX Engineer

Leidos

Confirmed live 2 days ago High trust

Quick summary

Work type
On-site
Location
Reston, VA
Salary
$131,300–$237,350 / yr
Posted
37 days ago
Freshness
Confirmed live 2 days ago

Market check

Salary context

Competitive pay

How this pay compares to similar roles

Similar $199k
This role $184k
$117k most similar roles pay here $264k

This role pays less than 62% of similar roles. Most pay $170,000–$228,950 — the shaded band above. At the midpoint, this role pays about $184k versus about $199k for comparable roles.

Based on 240 similar postings.

Employer

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations.

Leidos currently has 264 open roles on FindRole.

Listed pay typically runs $92,300–$166,850 across 245 roles with salary data.

Most-posted roles

View all roles at Leidos

At a glance

TL;DR · UI/UX Engineer

The UI/UX Engineer joins the Intelligence Group to design and develop intuitive, user-centric interfaces for mission-critical government systems. This role bridges design and front-end development, translating complex technical workflows into accessible, secure UI solutions across unclassified and classified environments. You will build and maintain front-end components using React or Angular while creating prototypes, wireframes, and high-fidelity designs to improve usability and performance. The position requires expertise in JavaScript, HTML, CSS, and design tools like Figma, Sketch, or Adobe XD. Key responsibilities include designing interactive features for AI/ML capabilities, such as predictive inputs and dynamic analytics dashboards, while ensuring compliance with accessibility standards. You will collaborate with backend engineers and data science teams to integrate complex data visualizations into secure networks, solving the challenge of making high-security software functional for federal stakeholders and analysts.

What you'll do

  • Design and code responsive user interfaces for mission-critical government systems using modern frameworks like React or Angular.
  • Translate complex technical workflows and data into simple, intuitive, and accessible user experiences.
  • Develop interactive features for AI/ML capabilities, including predictive inputs and dynamic analytics dashboards.
  • Create high-fidelity prototypes, wireframes, and storyboards to guide the end-to-end design process.
  • Maintain consistent design systems, components, and style guides across multiple software platforms.
  • Conduct user research and usability testing to gather feedback for continuous interface improvement.
  • Ensure all front-end designs meet strict government security protocols and accessibility standards.
  • Manage complex data visualizations to streamline information for federal stakeholders and analysts.

What we're looking for

  • Must be a U.S. citizen.
  • Must possess an active TS/SCI clearance with a Polygraph.
  • Requires a Bachelor's degree and 12–15 years of experience, or a Master's degree and 10–13 years of experience.
  • Experience may be substituted for degree requirements.
  • Proficiency in front-end technologies including JavaScript, HTML, and CSS.
  • Experience with modern UI frameworks such as React or Angular.
  • Ability to design user-centered interfaces for complex applications and AI/ML features.
  • Ability to conduct user research, stakeholder interviews, and usability testing.

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