UI Developer Senior

  • ASHBURN, VA
  • Posted 2 days ago | Updated 6 hours ago

Overview

On Site
Full Time

Skills

Systems Architecture
Integration Testing
Software Development Methodology
Web Browsers
Interfaces
IDE
Microsoft Visual Studio
Atlassian
JIRA
Confluence
Demonstrations
Design Review
UI
Performance Tuning
Layout
HTML5
Css3
Sass
Problem Solving
Conflict Resolution
Critical Thinking
Unit Testing
Microservices
HTML
Cascading Style Sheets
Amazon EC2
Amazon S3
jQuery
SQL
XML
Unix
Linux
Database
JDBC
JPA
Hibernate
Application Development
JavaScript
AngularJS
React.js
Java
JSP
mvc
J2EE
Servers
Spring Framework
Apache Tomcat
IBM WebSphere
Software Engineering
Specification Gathering
Design Patterns
Continuous Integration and Development
Continuous Integration
Prototyping
Eclipse
Management
Docker
Agile
Computer Science
Security Clearance
Information Technology
Systems Engineering
FOCUS

Job Details

Job ID: 2508899

Location: ASHBURN, VA, US

Date Posted: 2025-08-19

Category: Software

Subcategory: SW Engineer

Schedule: Full-time

Shift: Day Job

Travel: Yes, 10 % of the Time

Minimum Clearance Required: None

Clearance Level Must Be Able to Obtain: Public Trust

Potential for Remote Work: No

Description

Position Summary

We are seeking a UI Front End Developer (Senior) with React and Angular UI development experience to join our team. This position will work closely with the Lead Architect and other developers participating in the system architecture design, systems engineering, development, integration testing and validation, and all aspects of the software life-cycle (requirements to design to implementation to test) for a browser based application implemented using Angular interfacing with backend microservice APIs. The candidate will be responsible for developing code as dictated by project requirement.

Job Responsibilities
  • Design, develop, unit test UI interfaces written in Angular and/or React.
  • Use Integrated Development Environment Tools such as Visual Studio Code.
  • Design and implement JEE software applications.
  • Use modern software engineering tools and methodologies, including Eclipse, and Atlassian Products (Jira, Confluence).
  • Work with users in an Agile development approach to understand requirements, then elicit feedback and refine solutions through demonstrations.
  • Present the solution at formal and informal design reviews, and document the design according to the Government's system lifecycle methodology.

Qualifications

Required Skills and Experience

Most important front end technologies for the position are: Angular, Ngrx, and Angular library development.
  • Bachelor's degree in computer science or related engineering field with 9+ years of technical experience.
  • Recent 5 years' experience developing front end application in frontend Angular (primary v10 or above).
  • Advance level experience in UI performance tuning and Component/Layout design.
  • Proven record of understanding HTML5, CSS3(flexbox, flexgrid), SASS and theme development.
  • 2 years in state management (NgRx).
  • Experience in developing reusable components and libraries (building NPM packages).
  • Excellent problem solving and critical thinking skills.
  • Advance level experience with unit testing.
  • Experience working with microservices design and implement design patterns.
  • Hands on experience with:
    • HTML, JavaScript, CSS (required).
    • AWS (EC2, S3, etc.) (required).
    • jQuery, Angular, React.
    • JEE Web Tier Technologies (JSP, Servlets, MVC Frameworks).
    • SQL (required).
    • XML.
    • Unix, Linux.
    • Database Connectivity (JDBC, JPA, Hibernate).
  • 3 years of experience in Single Page Application Development using JavaScript framework (Angular 8+ or ReactJS 5+).
  • 2+ year experience in Java/JEE (required).
  • Experience working with JEE Web Tier Technologies (JSP, Servlets, MVC Frameworks).
  • Experience working with JEE Servers (like Spring boot, Tomcat, WebSphere, etc.).
  • Demonstrated expertise in software engineering practices (e.g., reading/generating software specs, design patterns, continuous integration).
  • Experience in building quick prototypes that demonstrate ideas and potential in a hands-on environment.
  • Experience designing and delivering complex, highly scalable software components.
  • Experience working with users to define requirements and demonstrate solutions.

Desired Skills and Experience
  • Experience developing 100% automation unit tests using eclipse is a strong plus.
  • Experience deploying and managing applications in a Docker environment a plus.
  • Agile development experience is a plus.
  • First-hand experience working with large project teams (working with the Federal Government is a strong plus).
  • Master's degree in computer science or related field is a plus.

Customer Requirements
  • Clearance - Ability to obtain and hold a public trust position and favorable suitability based on a CBP Background Investigation.
  • Location - On-site in Ashburn, VA 5 days per week.



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