69 ui developer jobs at 42 companies in Fallston, MD

3mo
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UI / UX Developer, Senior
Rockville, Maryland, United States
$90k-$140k/yr HybridFull Time
LCG
LCG: Technology consulting and IT services for federal government agencies.
5+ YOESenior UI/UX Developer with 5+ years in design and front-end development, React, accessibility (Section 508), AI/ML tooling exposure, and NIH/federal context.
React, JavaScript/TypeScript, HTML, CSS, Figma, Adobe XD, Sketch, GitHub, RESTful APIs, Azure OpenAI
3w
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Senior UI Developer
Woodlawn or United States
HybridFull Time
Tria Federal
Tria Federal: Provides digital transformation and technology services to federal agencies.
7+ YOE7+ years front-end experience; strong HTML5,CSS3,Sass/SCSS, JavaScript, TypeScript, Angular; experience with Figma, SLDS, accessibility, AI-assisted tools; US citizenship and ability to be onsite one day/week.
Figma, HTML5, CSS3, Sass/SCSS, JavaScript, TypeScript, Angular, Salesforce Lightning Design System (SLDS), AI-assisted development tools
2mo
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Senior UI Application Engineer
Linthicum Heights, Maryland, United States
$113k-$238k/yr OnsiteFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
8+ YOEActive TS/SCI with Polygraph; strong UI engineering with Angular 14+, TypeScript/JavaScript, ReST/JSON, and CSS; proven UI technical leadership; relevant technical education/experience (typical: 8+ years with Bachelor\u0002s).
Angular 14+, TypeScript, JavaScript, JSON, ReST, CSS, Jira, Confluence, Agile, SAFe, AWS, MongoDB, Balsamiq
2mo
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Senior UI Application Engineer
Linthicum, Maryland, United States
$113k-$238k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
12+ YOEActive TS/SCI with Poly; 12 yrs experience with HS, 10 yrs with Associate, 8 yrs with Bachelor, 6 yrs with Master, 4 yrs with Doctorate; proficient in TypeScript/JavaScript, Angular; UI leadership; JSON/ReST APIs; CSS.
Angular, TypeScript, JavaScript, ReST, CSS, Jira, Confluence, AWS, MongoDB, Balsamiq
3w
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UX/UI Software Engineer 3
Annapolis Junction, Maryland, United States
$180k-$215k/yr OnsiteFull Time
Columbia Technology Partners
Columbia Technology Partners: Provides IT, cybersecurity, and management consulting to government agencies.
U.S. citizenship, active security clearance with polygraph, DOD 8570, successful background investigation, and drug testing; experience in technical design, engineering, deployment, and security.
1w
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UI Front End Software Engineer
Annapolis Junction, Maryland, United States
$150k-$200k/yr OnsiteFull Time
GRVTY
GRVTY: Develops defense technology, cyber, and intelligence software solutions.
12+ YOEActive TS/SCI+Poly,12 years SWE,proven team lead,expertise with modern front-end frameworks,full-stack experience (Node.js/Python/Java),Git,CI/CD,cloud (AWS/Azure),and accessibility standards.
React, Angular, Vue, HTML, CSS, JavaScript, Node.js, Python, Java, RESTful, GraphQL, Git, AWS, Azure, Linux, Ubuntu, CI/CD
1w
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UI Front-End Software Engineer-Principal
Annapolis Junction, Maryland, United States
OnsiteFull Time
NetSage
NetSage: Delivering specialized cyber services to the U.S. federal government.
12+ YOETS/SCI with polygraph; ~12+ years front-end experience (or 16+ without degree); proficiency with React/Angular/Vue, HTML5/CSS3/JavaScript, Node.js/Python/Java, GraphQL/REST, Git, cloud (AWS/Azure), Linux/Ubuntu.
React, Angular, Vue, HTML5, CSS3, JavaScript, Node.js, Python, Java, GraphQL, Git, CI/CD, AWS, Azure, AWS GovCloud, Linux, Ubuntu
2mo
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Applications Developer
Chantilly or Columbia
OnsiteFull Time
Freedom Technology Solutions Group
Freedom Technology Solutions Group: Provides geospatial and software engineering solutions for national security agencies.
Experience leading Agile teams, cloud/DevOps, full-stack development, API/microservices, UI/UX, data engineering, and security.
AWS, Azure, GCP, Docker, Kubernetes, Jenkins, Git, GitHub, GitLab, Nexus, Terraform, Ansible, Jira, Confluence, React, Angular, Vue.js, Java, Python, Spring Boot, Node.js, PostgreSQL, MySQL, MongoDB, Elasticsearch
5d
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SNOW Developer
Hyattsville or Washington or Alexandria
$102k-$128k/yr OnsiteFull Time
DMI
DMI: Provides end-to-end digital transformation and managed IT services.
4+ YOEBachelor's degree,4–7 years web application development experience (2 years DevOps),proficiency in front-end UI development and design systems,experience with Agile and SDLC,eligible to work in the US.
Angular, Figma, React, Vue, HTML/CSS, JavaScript/TypeScript, Bootstrap, JSON, YAML, SDLC, JIRA, Confluence, Git
1w
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User Interface Developer
Columbia, Maryland, United States
$140k-$217k/yr HybridFull Time
InterImage
InterImage: Provides IT modernization and cybersecurity services to federal government agencies.
5+ YOE5+ years UI development experience with Angular 20+, TypeScript, HTML, CSS, RESTful APIs; active US security clearance with polygraph required.
Angular 20+, TypeScript, HTML, CSS, RESTful APIs, NX Smart Monorepos, Section 508, Pega Constellation UI
3w
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UI Path Test Automation Test Engineer - MBI Clearance
Bowie, Maryland, United States
$70k-$95k/yr OnsiteFull Time
Matrix Systems & Technologies
Matrix Systems & Technologies: Provides IT engineering and testing services for government agencies.
Active MBI clearance, hands-on UiPath automation experience, test automation frameworks and QA methodologies, defect tracking (JIRA/Azure DevOps), Agile/SDLC knowledge, strong analytical and communication skills.
UiPath, JIRA, Azure DevOps
2w
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Software Developer II (Mid-level, Full-stack)
Lanham, Maryland, United States
OnsiteFull Time
Science Systems and Applications
Science Systems and Applications: Provides scientific, engineering, and IT services to government agencies.
5+ YOEDesign, develop, test, and maintain full-stack web applications; build UIs and backend services; develop RESTful APIs; work with relational and cloud databases; 5+ years software development experience.
Java, C#, Python, Node.js, React, Angular, Vue, Git, AWS, Lambda, API Gateway, ECS, EC2, RDS, S3, IAM, CloudFormation, Docker, Kubernetes
2w
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Sr. User Interface Developer
Annapolis Junction, Maryland, United States
$110k-$130k/yr HybridFull Time
Culper Technology
Culper Technology: Provides software and systems engineering services for the defense and intelligence community.
5+ YOEU.S. citizen with active TS/SCI+Poly, 5+ years UI development experience, Angular 20+, TypeScript, HTML/CSS, RESTful API integration, strong UX/Accessibility skills.
Angular 20, Pega Constellation UI, TypeScript, HTML, CSS, RESTful APIs, NX Smart Monorepos
1mo
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Front End Software Engineer
Fort Meade, Maryland, United States
$70k-$190k/yr OnsiteFull Time
Belay Technologies
Belay Technologies: Provides specialized technology and engineering services to the DoD.
3+ YOEFront-end UI development with JavaScript/TypeScript, HTML/CSS, UI frameworks (React/Angular), familiarity with relational databases, Docker, Git, Linux; TS/SCI with polygraph and 3 years technical experience or B.S. in technical discipline required.
JavaScript, TypeScript, HTML, CSS, React, Angular, Postgres, SQLite, MySQL, Docker, Git, Linux, Elasticsearch, MongoDB, Java, Python, Bash, Powershell, Vue, FastApi, Spring Boot, GitlabCI, CI/CD, k8s, ansible, AWS
1mo
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Software Engineer
Annapolis Junction, Maryland, United States
$176k-$238k/yr OnsiteFull Time
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
7+ YOEBachelor's in CS or related, 7+ years software engineering experience, active Top Secret/SCI with Polygraph required, US citizenship required; skills in C++, UI development (Flutter/Qt), IEEE 802.11, Matlab, DSP, Agile, and GitLab.
Agile Methodology, Dev-C++, IEEE 802.11, Software Defined Radio (SDR), User Interfaces (UI), C++, Flutter, QT, Matlab, DSP, GitLab
1mo
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Senior AI Engineer
United States or Wilmington
$126k-$197k/yr RemoteFull Time
Chemours
ChemoursNYSE: CC: Manufactures specialty chemicals, refrigerants, and high-performance industrial fluoropolymers.
8+ YOEDegree in Computer Science/Engineering, 8+ years backend development with Python and JavaScript, 2+ years production GenAI systems experience, React/TypeScript UI skills, Pydantic proficiency, strong stakeholder communication.
Python, JavaScript, React.js, TypeScript, HTML, Pydantic, PyTorch, Azure, Azure Kubernetes, Office 365, GitHub
1w
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Senior User Interface Developer (TLM - 007)
Annapolis Junction, Maryland, United States
OnsiteFull Time
SageCor Solutions
SageCor Solutions: Provides engineering services for the intelligence community.
5+ YOEActive TS/SCI with Polygraph, 5+ years UI development experience, Angular 20+, TypeScript, HTML, CSS, and interfacing with RESTful back-end APIs.
Angular 20+, TypeScript, HTML, CSS, RESTful APIs, NX Smart Monorepos
2w
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Software Engineer 3
Hanover, Maryland, United States
$235k-$250k/yr HybridFull Time
Amentum
AmentumNYSE: AMTM: Provides engineering, technology, and mission support to government agencies.
5+ YOETS/SCI clearance, 5+ years software development experience, proficiency with JS/TS, Go, React/Redux, Node.js, Python, containerization and Kubernetes, UX/UI knowledge, agile experience, ability to lead and mentor.
Python, shell scripting, Go, HTML, CSS, AJAX, JSON, XML, JavaScript, TypeScript, jQuery, Node.js, React, Redux, SQL, NoSQL, Docker, Kubernetes, vCenter, apt, yum, pip, npm, nuget, Git, Jest, jUnit, PyTest, Jira, GitLab
2mo
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Software Engineer 2
Annapolis Junction, Maryland, United States
OnsiteFull Time
Entegra Systems
Entegra Systems: Provides engineering and intelligence analysis for government missions.
14+ YOE14+ years software development; 7+ years Java; 5+ years JEE; data-driven Java apps; strong communication; UI techs (AJAX, JavaScript, GWT, EXT-JS, JQuery); Linux/Windows experience.
Java, JEE, AJAX, JavaScript, GWT, EXT-JS, JQuery, Linux, Windows, Oracle, MySQL, MongoDB, Scripting (sh, bash, perl)
1mo
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Full Stack Developer
Annapolis Junction, Maryland, United States
$70k-$285k/yr OnsiteFull Time
Athenix Solutions Group
Athenix Solutions Group: Provides cybersecurity, systems engineering, and training for defense agencies.
TS/SCI with Polygraph required. Experience developing back-end services in Python, web UIs with Java/JavaScript/HTML, Active MQ, REST, NoSQL/elastic databases, Atlassian (JIRA, Confluence), Linux, CI/CD; test validation and Tier 3 support experience.
Python, Java, JavaScript, HTML, Active MQ, REST, NoSQL, elastic databases, JIRA, Confluence, Linux, CI/CD