Senior Front-End Engineer — Platform & Design System Lead

Seneca Resources Company, LLC; Vienna (VA); On-site; USD 82,656 - 96,432; Full time

Benefits offered by this job

Health, dental, and vision coverage

401(k) retirement plans

Competitive pay

Job summary

Seneca Resources is seeking a Senior Front-End Engineer – Platform Engineering to join our team. Location options include Vienna, VA, Winchester, VA, Pensacola, FL, or San Diego, CA, with a pay rate of $60-$70 per hour.

You will craft Angular 17+ applications, build reusable components, and help establish front-end standards while partnering with Product, UX, Architecture, and other engineering teams. The role emphasizes accessibility, performance, CI/CD with Azure DevOps, and mentoring junior

Qualifications

• Experience building reusable UI components and design systems.
• Experience with enterprise-scale codebases and accessibility WCAG standards.
• Experience integrating frontend with backend services via REST APIs.

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.

Skills

Reusable components

Design systems

Accessibility (WCAG)

REST API integration

Azure DevOps

CI/CD

Unit/ integration tests

Angular expertise

Agile delivery

AI-assisted tools

Tools

Storybook

NX Workspace

Bootstrap / ng-Bootstrap

Git

Azure DevOps

Jest / Karma

Job description

Seneca Resources is seeking a Senior Front-End Engineer – Platform Engineering to join our team. Location options include Vienna, VA, Winchester, VA, Pensacola, FL, or San Diego, CA, with a pay rate of $60-$70 per hour.

You will craft Angular 17+ applications, build reusable components, and help establish front-end standards while partnering with Product, UX, Architecture, and other engineering teams. The role emphasizes accessibility, performance, CI/CD with Azure DevOps, and mentoring junior