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StaffXpert LLC Logo
Sr. Front-End Engineer

StaffXpert LLC

 

Jersey City, NJ, USA

Posted On: 7 days ago
Experience: 8+ years
Availability: Hybrid
Openings: 1
Category: Front-End Engineer
Tenure: Contract - Corp-to-Corp
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Description

Lead the design, architecture, and development of complex user-facing web applications using React and TypeScript.

This role is on-site.

Responsibilities

  • Own front-end architecture decisions, including state management, routing, and application structure.
  • Develop scalable, reusable UI components leveraging existing design system foundations.
  • Optimize application performance, including Core Web Vitals, bundle size, and rendering efficiency.
  • Define and enforce engineering standards for coding conventions, testing, and component architecture.
  • Collaborate with backend teams on REST and GraphQL API integration and error handling strategies.

Required Skills

  • 8+ years of professional software engineering experience with a strong focus on front-end development.
  • Expert-level proficiency in React, including hooks, component design, and performance optimization.
  • Strong experience with TypeScript and modern JavaScript.
  • Solid understanding of front-end build tools (Vite, Webpack, Babel/SWC) and package managers (npm, yarn, pnpm).
  • Strong CSS skills, including responsive design and scalable styling approaches (CSS Modules, CSS-in-JS, utility frameworks).
  • Deep understanding of web accessibility standards (WCAG, ARIA) and best practices.
  • Proven experience optimizing web performance and Core Web Vitals.
  • Strong experience integrating REST and GraphQL APIs.
  • Knowledge of web application security best practices (XSS, CSRF prevention, secure authentication patterns).

Preferred Skills

  • Experience with SSR frameworks such as Next.js or Remix.
  • Experience working with design systems, Storybook, or design tokens.
  • Familiarity with AI-assisted development tools (e.g., GitHub Copilot) to improve productivity and code quality.

Education

Bachelor's degree

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