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# Journeyman UI/UX Engineer

- **Company:** CareerCircle
- **Location:** Manassas, VA, United States
- **Experience:** Experienced
- **Salary:** $131,300.0 - $237,350.0
- **Contract:** Permanent contract
- **Skills:** Testing (Software), Java (Programming Language), JavaScript (Programming Language), PHP (Programming Language), Computer-Aided Design, Web Accessibility, Application Programming Interfaces (APIs), Agile Methodology, Artificial Intelligence, Amazon Web Services, Data Analysis, HTML5, User Authentication, Automation of Tests, Unit Testing, Bioinformatics, Browser Compatibility, Software Bug Management, Cascading Style Sheets (CSS), Information Systems, Databases, Computer Engineering, Continuous Integration, Data Visualization, Linux, Eclipse (Software), Middleware, Data Flow Control, Graphical User Interface, Design of User Interfaces, Human-Computer Interaction, Iterative and Incremental Development, Integrated Development Environments, IntelliJ IDEA, Interaction Design, JavaFX, Swing (Java), JavaScript Libraries, JSON, Python (Programming Language), Microsoft Visual Studio, MySQL, Object-Oriented Software Development, Preprocessor, Scrum Methodology, Red Hat Enterprise Linux, Responsive Web Design, Salesforce.Com, Software Engineering, System Testing, User-Centered Design, Web Content Accessibility Guidelines, Web Application Frameworks, Web Performance Optimization, Website Wireframe, WordPress, Workflow Management Systems, Scripting, Gerrit, ReactJS, Adobe XD, Backend, Gitlab, Git, Vue.js, Syntactically Awesome Style Sheets (SASS), Containerization, AngularJS, Material UI, Integration Tests, Kubernetes, Information Technology, Rhel6, Figma, Codebase, Front End Software Development, Restful APIs, Software Version Control, Devsecops, Docker, Jenkins, Microservices
- **Published:** May 30, 2026
- **Apply:** https://www.careercircle.com/jobs/all/all/usa/va/chantilly/b54daa35-24fe-49a8-b4f1-9dc17fb8e80c

## About the Role

As a UI/UX Engineer you will build custom and accessible websites, with the user experiences in mind for both admins and end users. You will optimize code within the code base, assist with design, implementation and deployment, and partner on QA testing and bug-fixing. Your role will help determine appropriate tools, methods, and solutions for projects, bridging design, development, and production of websites. The position requires strong organizational and time management skills as individuals work in a fast-paced environment with multiple projects. Successful candidates must be hands-on but also strategic, with excellent communication skills., * Active TS/SCI with Polygraph

 * Requires BS degree and12+ years of prior relevant. Additional experience in lieu of degree.
 * Understanding of usability and accessibility issues across all device types
 * Experience with WordPress front-end development using the following technologies: HTML5, SASS (or equivalent preprocessor)/CSS, and JavaScript
 * Experience with WordPress back-end development using the following technologies: PHP, MySQL, WP REST API, JSON
 * Developing custom features and functionality for WordPress
 * Creating WordPress plugins
 * Producing unit testing and QA
 * Developing and Testing for Accessibility

## Description

MySQL
HTML5
Equities
Usability
WordPress
Innovation
Market Data
Unit Testing
Communication
Team Building
Time Management
Authentications
Ancient History
Safety Assurance
Agile Methodology
Policy Management
WordPress REST API
Amazon Web Services
User Interface (UI)
User Experience (UX)
PHP (Scripting Language)
Authorization (Computing)
Cascading Style Sheets (CSS)
Back End (Software Engineering)
Front End (Software Engineering)
Troubleshooting (Problem Solving)
Top Secret-Sensitive Compartmented Information (TS/SCI Clearance), Leidos has immediate opportunities for a UI/UX Engineer to join a team building innovative software supporting the Sponsor's Entitlement Programs as well as IdAM /ICAM, Authentication, Authorization, Attributes and Digital Policy Management. We're supporting a well-established customer that is responsible for critical and high-visibility missions applications used by a wide audience. Our team is tremendously talented, and we need to add a talented and creative UIUX Engineer to the team., * Proven ability to create well-structured and maintainable WordPress site themes from scratch.

 * Proficiency in developing WordPress plugins to support custom site functionality and integrations.
 * Good eye for design and attention to detail
 * Improve the overall efficiency of the website's back-end including database and server integration
 * Maintain and optimize the WordPress theme and plugins
 * Conduct website performance tests, and execute performance enhancements to improve site speed
 * Monitor the performance of the live website and troubleshoot content and user experience issues that arise
 * Responsible for both back-end and front-end development including the implementation of WordPress themes and plugins as well as site integration

 * Effective interpersonal and communication skills are required to perform well as a member of a rapid paced, cross-functional team environment.
 * Utilize agile development methodology, All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.
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