Senior UI Developer

SAIC

. Work closely with the Lead Architect and other developers on system architecture design, systems engineering, development, integration testing, validation, and the full software lifecycle .

Posted 11/10/2026full-timeAshburn • Virginia • United StatesSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in developing and implementing front-end applications using Angular and React, with a strong focus on UI performance tuning and component design. Proficient in Agile methodologies and capable of collaborating with users to refine solutions and deliver scalable software components.

Highest-signal resume keywords

Angular DevelopmentReactJS DevelopmentUI Performance TuningJava/JEE ExperienceAgile Development

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

HTML5CSS3JavaScriptNgRxUnit TestingMicroservices DesignSQLJEE Web Tier TechnologiesHibernateComponent/Layout Design

Tools & Technologies

Visual Studio CodeEclipseJiraConfluenceAWS

Industry Keywords

Software LifecycleSystem Architecture DesignContinuous IntegrationPublic Trust PositionUS Citizenship

Tech Stack

Tools & technologies

AngularAWSEC2HibernateJavaJavaScriptjQueryLinuxMicroservicesReactSCSSSpringSpring BootSpringBootSQLUnix

About the role

Key responsibilities & impact

Work closely with the Lead Architect and other developers on system architecture design, systems engineering, development, integration testing, validation, and the full software lifecycle
Develop code according to project requirements
Design, develop, and unit test UI interfaces using Angular and/or React
Use integrated development environment tools such as Visual Studio Code and Eclipse
Design and implement JEE software applications
Use modern software engineering tools and methodologies, including Atlassian products such as Jira and Confluence
Work with users in an Agile development approach to understand requirements, elicit feedback, and refine solutions through demonstrations
Present solutions at formal and informal design reviews
Document designs according to the Government’s system lifecycle methodology

Requirements

What you’ll need

Bachelor’s degree in computer science or related engineering field with 9+ years of technical experience
Recent 5 years’ experience developing front end applications in Angular, primarily version 10 or above
Advanced experience in UI performance tuning and component/layout design
Understanding of HTML5, CSS3 (flexbox, flexgrid), SASS, and theme development
5+ years of experience with state management using NgRx
Experience developing reusable components and libraries, including building NPM packages
Advanced experience with unit testing
Experience with microservices design and implementation patterns
Hands-on experience with HTML, JavaScript, CSS, AWS (EC2, S3, etc.), SQL, jQuery, Angular, React, JEE Web Tier Technologies, XML, Unix/Linux, JDBC, JPA, and Hibernate
5+ years of Single Page Application development using Angular 8+ or ReactJS 5+
5+ years of Java/JEE experience
Experience with JEE Web Tier Technologies and JEE servers such as Spring Boot, Tomcat, or WebSphere
Expertise in software engineering practices, including software specifications, design patterns, and continuous integration
Experience building quick prototypes
Experience designing and delivering complex, highly scalable software components
Experience working with users to define requirements and demonstrate solutions
Ability to obtain and hold a public trust position and favorable suitability based on a CBP Background Investigation
Must be a US Citizen
Must be within the GWA/commutable area