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Frontend Developer

TestCrew | Quality Engineering & Software Testing
Riyadh, KSA
fulltime
Entry
4 days ago
HTML5CSS3JavaScriptReact.jsVue.jsAngular
Free

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Summary

Lead frontend architecture for complex, production-grade web applications that integrate with distributed backends and real-time services.

Responsibilities

  • Design scalable, maintainable web applications
  • Lead architecture for state management, data fetching, and rendering performance
  • Build real-time UIs using WebSockets, SSE, and streaming APIs
  • Improve performance, reliability, error handling, and observability
  • Debug complex browser, performance, and real-time issues
  • Define API contracts and resilient integration patterns with backend teams
  • Drive frontend standards: testing, code quality, deployment

Required

  • Deep frontend experience at production scale
  • Strong TypeScript, React, and modern frontend architecture
  • Experience with state management, rendering performance, and large codebases
  • Experience with async data flows and real-time UI patterns
  • Strong production mindset: reliability, observability, maintainabilit
  • Strong browser-tooling debugging skills
  • Automation testing for frontend (Playwright)

Preferred

  • Next.js, and modern build systems
  • Real-time UI via SSE, WebSockets
  • WebRTC and media state handling

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