UI/UX Engineer

UI/UX Engineer
Location: Gaithersburg, MD
Required Clearance: TS/SCI (Polygraph Eligible)
Employment Type: Full-Time Regular
Shift: Day
Travel: No
Relocation Assistance: Yes
Company Overview
We are Ennoble First. The people supporting and securing some of the most complex government, defense, and intelligence projects across the country. We ensure today is safe and tomorrow is smarter. Our work has meaning and impact on the world around us, but also on us, and that's important. Ennoble First is your place. You make it your own by embracing autonomy, seizing opportunity, and being trusted to deliver your best every day. We think. We act. We deliver. There is no challenge we can't turn into an opportunity.
Position Overview
Ennoble First is seeking a UI/UX Engineer to support the development of mission-critical applications for an Intelligence Community customer. In this role, you will design and develop intuitive, user-centered interfaces that transform complex workflows into seamless user experiences. Working within an Agile development environment, you will collaborate closely with software engineers, product owners, and mission users to deliver responsive, accessible, and high-performing applications that directly support national security missions.
The ideal candidate combines strong front-end development skills with a passion for user experience design and has experience building modern web applications that balance functionality, usability, and performance.
Primary Responsibilities

• Design and develop intuitive, responsive user interfaces for mission-critical web applications.
• Translate complex operational and technical workflows into efficient, user-centered experiences.
• Build and maintain front-end components using modern frameworks such as React, Angular, or similar technologies.
• Collaborate with users, stakeholders, and development teams to gather requirements and improve application usability.
• Ensure applications meet usability standards, accessibility requirements, and responsive design best practices.
• Develop and maintain reusable design patterns, UI components, and style guides to promote consistency across applications.
• Integrate front-end applications with RESTful APIs and backend services.
• Optimize front-end performance, scalability, and responsiveness across environments.
• Participate in Agile ceremonies, sprint planning, backlog refinement, and peer reviews.
• Work closely with backend engineers, product owners, and system stakeholders to align user experience with mission requirements.
• Incorporate user feedback and usability findings to continuously improve application functionality and design.
• Support testing, troubleshooting, and deployment activities throughout the software development lifecycle.

Required Qualifications

• Active TS/SCI clearance and ability to successfully complete a polygraph examination.
• Bachelor's degree in Computer Science, Software Engineering, Human-Computer Interaction, Information Systems, or related field and 4-8 years of relevant experience; or Master's degree and 2-6 years of relevant experience.
• Strong experience with JavaScript, HTML, and CSS.
• Experience developing applications using modern front-end frameworks such as React, Angular, or similar technologies.
• Demonstrated experience designing user-centered interfaces for complex web-based applications.
• Understanding of UX principles, usability, accessibility, and interaction design methodologies.
• Experience working in Linux-based environments.
• Ability to translate user needs and mission requirements into functional design solutions.
• Experience collaborating within Agile software development teams.
• Strong written and verbal communication skills.

Preferred Qualifications

• Experience with design and prototyping tools such as Figma, Sketch, or Adobe XD.
• Experience designing and developing user interfaces for data-driven GEOINT or intelligence applications.
• Familiarity with data visualization tools such as Grafana or similar platforms.
• Experience integrating front-end applications with REST APIs and backend services.
• Exposure to CI/CD pipelines and modern software deployment practices.
• Experience supporting mission-focused applications within the Intelligence Community or Department of Defense environments.

Pay Range
$110,000-$145,000
The Ennoble First 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.
Equal Employment Opportunity
Ennoble First is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to any characteristic protected by law.
E-Verify Participation
Ennoble First participates in E-Verify. Learn more at ;br>E-Verify is a registered trademark of the U.S. Department of Homeland Security.

Ennoble First is committed to providing a diverse and inclusive work environment and is proud to be an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status.

Ennoble First participates in E-Verify.

The information below will be listed on our website's careers landing page.

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E-Verify is a registered trademark of the U.S. Department of Homeland Security. This business uses E-Verify in its hiring practices to achieve a lawful workforce.