Senior React Front-End Engineer

Staffxpert Llc โ€” United States ยท Posted ~3 days ago

Senior Contract

Skills

React TypeScript JavaScript Next.js GraphQL REST APIs HTML5 CSS3 React Hooks State Management Vite Webpack Babel Jest React Testing Library Playwright Cypress Git

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Summary

Join a team building modern, high-performance web applications using advanced frontend technologies. The role focuses on scalable architecture, performance optimization, testing, accessibility, and AI-assisted software development.

Highlights

Long-term contract working on scalable, high-performance web applications with modern frontend technologies and AI-assisted development.

Description

React Front-End Engineer Duration: 12+ Months STAFFXPERT is seeking a React Front-End Engineer with 5+ years of software engineering experience and strong expertise in building scalable, high-performance web applications. The ideal candidate will have advanced experience with React, TypeScript, JavaScript, Next.js, GraphQL, and REST APIs. Required : 5+ years of software engineering experience with strong expertise in front-end development.Expert-level experience with React, TypeScript, and modern JavaScript (ES6+).Hands-on experience with Next.js, GraphQL, and REST API integrations.Strong experience building scalable, high-performance, responsive web applications.Expertise in React architecture, hooks, state management, component design, and performance optimization.Experience with modern front-end build tools such as Vite, Webpack, Babel/SWC, and package managers (npm/yarn/pnpm).Strong knowledge of HTML5, CSS3, responsive design, accessibility (WCAG/ARIA), and cross-browser compatibility.Experience with testing frameworks including Jest/Vitest, React Testing Library, Playwright, or Cypress.Experience with SSR/CSR, Core Web Vitals optimization, bundle optimization, and caching strategies.Knowledge of secure front-end development practices (XSS, CSRF, authentication, session management).Experience with design systems, Storybook, micro-frontends, and Module Federation is a plus.Hands-on experience using AI-assisted development tools such as GitHub Copilot or Claude Code Required Skills React, TypeScript, JavaScript (ES6+), Next.js, GraphQL, REST APIs, React Hooks, State Management, HTML5, CSS3, Responsive Design, Accessibility (WCAG/ARIA), Vite, Webpack, Babel/SWC, npm/yarn/pnpm, Jest/Vitest, React Testing Library, Playwright/Cypress, SSR/CSR, Core Web Vitals, Performance Optimization, Git, AI-Assisted Development Tools.