Senior Front-End Engineer: Design Systems & AI-Driven UI

247Hire; Vienna (VA); On-site; USD 120,000 - 180,000; Full time

Job summary

247Hire is seeking an experienced Front-End Engineer to design, develop, and maintain responsive, accessible web applications using Angular 17+. You will build reusable UI components and contribute to enterprise design systems while collaborating with UX, architects, and backend teams.

You will drive frontend architecture decisions, perform code reviews, and ensure performance, accessibility, and security. The role involves mentoring others and supporting production readiness, with a focus on

Qualifications

• Expert-level Angular 17+ experience and SPA architecture
• Proficiency in TypeScript, JavaScript, HTML5, CSS3/SCSS
• Experience building large-scale SPAs and reusable component libraries
• Accessibility compliance per WCAG standards
• Experience with REST APIs and frontend-backend integration
• Solid testing: unit and integration (Jest, Karma or equivalents)
• Strong knowledge of software architecture, patterns, and SOLID
• Experience in Agile delivery teams and CI/CD practices

Responsibilities

• Design, develop, and maintain responsive, accessible web apps using Angular 17+
• Build reusable UI components and design systems for consistency and scalability
• Collaborate with UX, architects, and teams to translate designs into high-quality experiences
• Establish and maintain enterprise design system components and standards
• Drive front-end architecture decisions and provide technical leadership
• Conduct code reviews and promote maintainability, performance, and security
• Integrate frontend with backend services via REST APIs
• Build and maintain CI/CD pipelines using Azure DevOps
• Identify and resolve performance, accessibility, and debt issues
• Mentor other front-end engineers and share best practices
• Participate in production support, troubleshooting, and operational readiness
• Leverage AI-assisted development tools to boost productivity and code quality

Skills

Angular 17+

TypeScript

JavaScript

HTML5

CSS3/SCSS

SPA architecture

Design systems

Accessibility WCAG

REST APIs

Agile delivery

AI-assisted tools

Git

Azure DevOps

Unit/Integration testing

Tools

Git

Azure DevOps

Jest

Job description

247Hire is seeking an experienced Front-End Engineer to design, develop, and maintain responsive, accessible web applications using Angular 17+. You will build reusable UI components and contribute to enterprise design systems while collaborating with UX, architects, and backend teams.

You will drive frontend architecture decisions, perform code reviews, and ensure performance, accessibility, and security. The role involves mentoring others and supporting production readiness, with a focus on