Senior Front-End Engineer

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

Key Responsibilities:

• Design, develop, and maintain responsive, accessible, and performant web applications using Angular and modern web technologies.
• Build reusable UI components, libraries, and frameworks that promote consistency and scalability across Digital platforms.
• Partner with UX designers, architects, and application teams to translate designs into high-quality user experiences.
• Establish and maintain enterprise design system components, patterns, and styling standards.
• Drive front-end architecture decisions and provide technical leadership on complex initiatives.
• Conduct code reviews and promote best practices for maintainability, performance, accessibility, and security.
• Collaborate with backend and platform engineering teams to integrate REST APIs and shared services.
• Build and maintain CI/CD processes and automation using Azure DevOps.
• Identify and resolve performance bottlenecks, accessibility issues, and technical debt.
• Mentor and provide guidance to other front-end engineers.
• Participate in production support, troubleshooting, root cause analysis, and operational readiness activities.
• Leverage AI-assisted development tools to improve productivity, code quality, testing, and development efficiency.
• Help define and enforce front-end development standards, governance, and engineering best practices.

Qualifications:

• Expert-level experience developing applications using Angular 17+.
• Strong proficiency with TypeScript, JavaScript, HTML5, CSS3, and SCSS.
• Experience developing large-scale Single Page Applications (SPAs).
• Experience building and maintaining reusable component libraries and design systems.
• Experience working with enterprise-scale codebases and shared styling frameworks.
• Strong understanding of responsive web design and cross-browser compatibility.
• Experience implementing accessible solutions that meet WCAG accessibility standards.
• Experience working with REST APIs and integrating frontend applications with backend services.
• Experience with Git-based source control, pull requests, and branching strategies.
• Experience with Azure DevOps, including Repos, Pipelines, and CI/CD practices.
• Experience writing unit, integration, and component tests using frameworks such as Jest, Karma, or similar tools.
• Strong understanding of software architecture principles, design patterns, and SOLID principles.
• Experience working within Agile delivery teams.
• Familiarity with AI-powered development tools (e.g., GitHub Copilot, AI-assisted code generation, testing, and debugging).

Preferred Qualifications:

• Experience with NX Monorepo architecture and workspace management.
• Experience with Storybook or similar component documentation tools.
• Experience with Bootstrap, ng-Bootstrap, or similar UI frameworks.
• Experience integrating third-party components into enterprise design systems.
• Knowledge of frontend performance optimization techniques and observability tools.
• Experience supporting digital banking or financial services applications.
• Experience contributing to platform modernization initiatives.