Mid-Level UI/UX Engineer

About the role

Description Ready to design technology that makes a difference? At Leidos, you’ll help shape the future of intelligence operations by creating intuitive, high-impact user experience for mission-critical systems. As a UI/UX Engineer supporting a premier Intelligence Community customer, you’ll turn complex challenges into elegant solutions, working alongside innovative teams to deliver capabilities that strengthen national security. This is an opportunity to see your designs move beyond the screen and directly support real-world missions of national importance.

Responsibilities

• UI/UX Design & Implementation: Design and develop intuitive, responsive user interfaces for web-based applications
• User Experience Optimization: Translate complex workflows into simple, efficient user experiences that improve usability and adoption
• Front-End Development: Build and maintain front-end components using modern frameworks (e.g., React, Angular, or similar)
• Usability & Accessibility: Ensure applications meet usability standards and accessibility best practices
• Design Systems: Contribute to and maintain consistent design patterns, components, and style guides
• User Research & Feedback: Gather and incorporate user feedback to continuously improve interface design and functionality
• Cross-Functional Collaboration: Work closely with backend engineers, product teams, and stakeholders to align UI/UX with system capabilities
• Performance Optimization: Improve front-end performance, responsiveness, and scalability

Requirements

• Bachelor’s degree in Computer Science, Software Engineering, or related field with 4–8 years of relevant experience or Master’s degree with 2–6 years of relevant experience
• Strong experience with front-end technologies (JavaScript, HTML, CSS)
• Experience with modern UI frameworks (React, Angular, etc.)
• Demonstrated experience designing user-centered interfaces for complex applications
• Understanding of UX principles, usability, and interaction design
• Ability to translate user needs into functional design solutions

Qualifications

• U.S. Citizenship
• Active TS/SCI clearance with the ability to successfully pass a Polygraph examination

Skills

• Experience with design tools (Figma, Sketch, Adobe XD)
• Experience with data visualization tools (e.g., Grafana or similar)
• Familiarity with REST APIs and backend integration
• Exposure to CI/CD pipelines and front-end deployment workflows
• Experience working in Agile environments
• Experience designing and developing intuitive user interfaces for data-driven GEOINT applications

Benefits

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Pay

Pay Range $87,100.00 - $157,450.00

Schedule

Not specified