Frontend Developer

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Job Title: Frontend Developer
Location: Hybrid Work Model Reporting to Vienna, VA
Pay Rate: Open to Both C2C and W2 options
Position Type: Multiyear Contract

Description:
Seeking a mid to high-level Front-end engineer with extensive experience in Angular version 17 and up, who will be part of a Digital Delivery team responsible for the client side of our service.
Primary focus of this role will be to implement a complete responsive UI web application. The Front-end engineer will support innovative member and team member experiences that leverage the latest technologies in open source and the cloud technologies.
Main duties will include in ideating, experimenting, and developing modules, components, and coupling them into a functional application.

Required Skills:

Experience working with large enterprise codebase, sharing stylesheets
Experience working with component library/design systems
Experience writing easy to read, clean, consistent CSS
Experience writing reusable UI components
Experience writing semantic, accessible HTML
Experience with integrating 3rd party components into design systems
Experience with monorepos in NX workspace

Tech stack Required:
CSS/SCSS
Angular17+
JavaScript/TypeScript
HTML

Nice to have:
NX workspace
Bootstrap
ng-Bootstrap
Azure DevOps
Storybook (or similar UI component library tool)

Responsibilities:
• Develop new client facing features for interactive web applications that rely heavily on REST APIs using modern web technologies.
• Work closely with Product Owner, UX and fellow engineers to understand and build web application from scratch
• Ensure responsive implementation
• Collaborate with fellow engineers, designers, analysts to define, design, and ship new features
• Develop high quality, shippable code in short increments
• Identify and correct bottlenecks and fix bugs
• Help maintain code quality, organization, and automation
• Implement UI component design focused on re-usability/scalability/extensibility/supportability
• Focus on managing styles/stylesheets for client facing web applications
• Establish and maintain component library/design system to be used across the enterprise
• Work with application developers to integrate design system
• Work with UX group to validate designs

Skills:
• Must have hands-on experience in Angular 17 and up
• Experience in writing test cases using Karma, Jest and other testing frameworks
• Experience working with Azure DevOps and/or AWS
• Experience with GitHub, Azure DevOps Repos, or other version control tools
• Strong, hands-on development with Single Page Applications
• 5+ years of experience developing dynamic, highly interactive user interfaces for the web
• Ability to manage and interface with APIs and RESTful web services
• DevOps experience such as creating configuration, build, and test scripts for Continuous Integration environments
• Well versed in software architecture patterns
• Must be an expert in CSS3, boot strap and any other similar technologies
• Advanced knowledge in CSS, HTML, and JavaScript
• Experience with Test Driven Development (TDD) and Agile (XP)
• Follow best practices with client-side Angular code
• Be able to create self-contained, reusable, and testable modules and components
• Ability to perform unit testing
• Be proficient in TypeScript development
• Knowledge and experience with WCAG 2.0 accessibility standards and guidelines
• Experience with accessibility audit and quality assurance tool and processes
• Experience working in an Agile environment
• Understanding of S.O.L.I.D. Principles

Hours: Monday - Friday, 8:00 AM - 4:30PM

System One, and its subsidiaries including Joulé, ALTA IT Services, and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.

Ref: #851-Rockville-S1

Type: Contract

Experience: 0

Category: Information Technology

Contractor Work Model: Hybrid

Brand: System One

Shift: On-Site

Job ID: 347116

Date Posted: 03/06/2026

Shortcut: https://jobs.systemone.com/oYVKEi