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Frontend Engineer

Scale.jobs

midpermanentfrontend Seattle, WA 92 days ago via LinkedIn

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Tags

ReactTypeScriptJavaScriptTailwind CSSWCAG 2.1Core Web VitalsGraphQLREST APIsJestCypress

About the role

Frontend Engineer

Build and architect responsive, scalable, and accessible user-facing web applications. You’ll translate complex UI/UX designs into production-ready frontend code and collaborate with product and backend teams on API contracts, performance, and engineering standards.

Responsibilities

  • Develop and maintain high-performance web applications using React, TypeScript, and modern state management patterns
  • Optimize applications for speed, scalability, and Core Web Vitals
  • Build and contribute to a reusable UI component library with WCAG 2.1 AA accessibility
  • Integrate with RESTful APIs and GraphQL, managing asynchronous data flows and state synchronization
  • Create unit, integration, and E2E tests using Jest, React Testing Library, and Cypress or Playwright
  • Lead code reviews, author technical design docs, and establish frontend best practices

Requirements

  • 3+ years of professional frontend-focused software engineering experience
  • Strong expertise in JavaScript (ES6+), TypeScript, semantic HTML5, and modern CSS (e.g., Tailwind CSS or Styled Components)
  • Proven experience scaling React applications and using modern build tooling (Webpack, Vite, or Next.js)
  • Solid understanding of browser rendering pipelines, DOM manipulation, HTTP, and frontend security
  • Bachelor’s degree in Computer Science/Engineering or equivalent practical experience

Bonus

  • Experience with web performance profiling
  • Node.js backend services experience
  • Experience contributing to open-source frontend libraries

Scraped 6/24/2026