Top 435 User interface developer Jobs in Rockville, Md

Mid-Level UI/UX Engineer
Leidos —Gaithersburg, MD
- $87,100 - $157,450 a year
- Full-time
- Computer Science
- Mid-level
- Master's degree
Frontend Developer - AI Trainer
DataAnnotation —Chevy Chase, MD
- $50 - $100 an hour
- Part-time
- Remote
- Writing skills
- English
- Mid-level
- Flexible schedule
Quick Apply
Frontend Developer - AI Trainer
DataAnnotation —Fort Meade, MD
- $50 - $100 an hour
- Part-time
- Remote
- Writing skills
- English
- Mid-level
- Flexible schedule
Quick Apply
SAP Fiori UX Consultant/Developer (Jr.) - U.S. Citizenship Required
CGI Group, Inc. —Fairfax, VA
- $70,800 - $172,400 a year
- Hybrid work
- Background check
- Writing skills
- Mid-level
- Paid parental leave
- Paid holidays
Senior User Interface Developer [Some Telework]
General Dynamics Information Technology —Annapolis Junction, MD
- $121,550 - $164,450 a year
- Hybrid work
- 5 years
- Bachelor of Science
- Office
- Paid time off
- 401(k) matching
12d
Mid Level Angular Developer
CGI Group, Inc. —Washington, DC
- $58,000 - $136,200 a year
- Computer science
- Computer Science
- English
- Paid parental leave
- Paid holidays
SAP Fiori UX Consultant/Developer (Mid) - U.S. Citizenship Required
CGI Group, Inc. —Fairfax, VA
- $89,600 - $194,000 a year
- Hybrid work
- Background check
- Writing skills
- Mid-level
- Paid parental leave
- Paid holidays
Portal Developer, Senior
CGI Group, Inc. —Arlington, VA
- $100,000 - $200,000 a year
- 5 years
- Analysis skills
- Bachelor's degree
- Paid parental leave
- Paid holidays
Software Engineer III
Airlines Reporting Corporation —Arlington, VA
- $93,400 - $139,610 a year
- Full-time
- Hybrid work
- Computer science
- Computer Science
- Office
- Work from home
3d
Senior Full Stack Java REACT Developer
ERP International, LLC —Laurel, MD
- $130,000 - $160,000 a year
- Online Application
- Hybrid work
- Office
- 3 years
- Master's degree
- Paid training
- Paid parental leave
Quick Apply
Software Developer (Front End with Angular skilllset)
CGI Group, Inc. —Fairfax, VA
- Software troubleshooting
- Office
- 3 years
8d
Junior Angular Developer
CGI Group, Inc. —Washington, DC
- $58,000 - $136,200 a year
- Computer science
- Computer Science
- ERP systems
- Paid parental leave
- Paid holidays
5d
Front End Software Developer - TS/SCI with Polygraph
General Dynamics Information Technology —McLean, VA
- $162,037 - $219,227 a year
- Schematics
- Bachelor of Science
- Office
- Paid holidays
- 401(k) matching
9d
Angular Developer
CGI Group, Inc. —Washington, DC
- $70,800 - $172,400 a year
- Computer science
- Computer Science
- ERP systems
- Paid parental leave
- Paid holidays
5d
Front End Developer
General Dynamics Information Technology —Annapolis Junction, MD
- $121,975 - $165,025 a year
- Oracle
- 5 years
- Bachelor of Science
- Paid time off
- 401(k) matching
12d
Front End Developer
General Dynamics Information Technology —Annapolis Junction, MD
- $121,975 - $165,025 a year
- Oracle
- 5 years
- Bachelor of Science
- Paid time off
- 401(k) matching
12d
Mobile/Web Developer (.Net)
Air Line Pilots Association, Int'l. —McLean, VA
- $96,027 - $137,179 a year
- Hybrid work
- Microsoft Outlook
- Computer Science
- Research
- Commuter assistance
- Health savings account
Intermediate Full Stack Java REACT Developer
ERP International, LLC —Laurel, MD
- $110,000 - $140,000 a year
- Online Application
- Hybrid work
- Mid-level
- Office
- Bachelor's degree
- Paid training
- Wellness program
Quick Apply
Cross-Platform Mobile Developer
General Dynamics Information Technology —Washington, DC
- $157,250 - $212,750 a year
- Computer Science
- 5 years
- Bachelor's degree
Frontend / UX Engineers
NTT Ltd —Bethesda, MD
- $68,076 - $141,826 a year
- 3 years
- Bachelor's degree
- Continuous improvement
- Health savings account
- AD&D insurance

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Mid-Level UI/UX Engineer

Leidos -
Gaithersburg, MD

Apply Now

Job Details

Full-time
$87,100 - $157,450 a year

Qualifications

CSS
JavaScript frameworks
Linux
HTML

Full Job Description

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.

Leidos Intelligence Sector combines technology-enabled services and mission software capabilities in the areas of cyber, logistics, security operations, and decision analytics to support our defense and intel customers’ mission to defend against evolving threats around the world. Our team’s focus is to ensure our customers have the right tools, technologies, and tactics to keep pace with an ever-evolving security landscape and succeed in their pursuit to protect people and critical assets.

Geospatial Analyst Solutions Directorate, part of the National Solutions Business Area, is currently seeking a skilled and experienced Mid-Level UI/UX Engineer for the Maru Program. The Maru Program delivers mission-critical, modern software solutions across our customer’s enterprise using Agile, DevSecOps, and cloud-native methodologies.

As a UI/UX Engineer, you will design and develop intuitive, user-centered interfaces for mission-critical applications. This role bridges design and engineering, focusing on creating seamless user experiences while delivering production-ready front-end solutions.

The ideal candidate has a strong foundation in user experience design, front-end development, and usability principles, with the ability to translate complex technical workflows into clean, efficient, and accessible interfaces. This individual will work closely with backend engineers, product owners, and end users to improve usability, performance, and overall user satisfaction.

Citizenship & Security Clearance Requirements

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

Essential 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

Basic Qualifications

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
Experience working in Linux-based environments
Ability to translate user needs into functional design solutions

Preferred Qualifications

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.

#Maru

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

June 10, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $87,100.00 - $157,450.00

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.

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits.

Securing Your Data

Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at [email protected].

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.

Commitment to Non-Discrimination

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.

Apply Now

Refine Your Search

user interface developer jobs in rockville, md

Mid-Level UI/UX Engineer

Frontend Developer - AI Trainer

Frontend Developer - AI Trainer

SAP Fiori UX Consultant/Developer (Jr.) - U.S. Citizenship Required

Senior User Interface Developer [Some Telework]

Mid Level Angular Developer

SAP Fiori UX Consultant/Developer (Mid) - U.S. Citizenship Required

Portal Developer, Senior

Software Engineer III

Senior Full Stack Java REACT Developer

Software Developer (Front End with Angular skilllset)

Junior Angular Developer

Front End Software Developer - TS/SCI with Polygraph

Angular Developer

Front End Developer

Front End Developer

Mobile/Web Developer (.Net)

Intermediate Full Stack Java REACT Developer

Cross-Platform Mobile Developer

Frontend / UX Engineers

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